Download PGIMER (Post Graduate Institute of Medical Education & Research, Chandigarh) PGI 2014 May Solved Question Paper
a)RootvalueC8TI
b)Passthroughcubitaltunnel
c)Supplyflexordigitorumsuperficialis
d)Supplyflexorcarpiulnaris
e)Passesbehindmedialepicondyle
CorrectAnswer-C
Ans.c.Supplyflexordigitorumsuperficialis
Nervecourse:
RootvalueofulnarnerveisC7,C86T1.
Ulnarnerve(C8,T1)arisesfromthemedialcordofthebrachial
plexus&descendsintheintervalb/wtheaxillaryartery&vein
Atelbow,ulnarnervepassesbehindthemedialepicondyle
Thecubitaltunnelisachannelwhichallowstheulnarnervetotravel
overtheelbow
Variousbranchesofulnarnerveare:?
Inarm:Nobranch.
Inforearm:Therearefollowingbranches:?
Muscular:Inproximalpartofforearmitsuppliesflexorcarpiulnaris
andmedialhalfofflexordigitorumprofundus.
Cutaneous:Therearetwocutaneousbranchesinforearm:-
Superficialterminalbranch:Itsuppliespalmarisbrevisandskinof
palmarsurfaceofmedial11/2fingers.
Palmarcutaneousbranch:Suppliesskinoverthehypothenar
eminence.
Dorsal(posterior)cutaneousbranch:Suppliesskinovermedial1/3
ofdorsumofhandanddorsalsurfaceofmedial11/2fingers.
Inhand:Ulnarnerveentersthepalmbypassingsuperficialtoflexor
retinaculumanddividesintotwoterminalbranches:?
Deepterminalbranch:Itsuppliesadductorpollicis,allinterossei,
medialtwo(3rd&4th)lumbricalsandallhypothenarmusclesexcept
palmarisbrevis(i.e.abductordigitiminimi,flexordigitiminimi,
opponensdigitiminimi).
2.Branchofinternaliliacarteryis/are:
a)Inferiorvesicalartery
b)Inferiorepigastricartery
c)Iliolumbarartery
d)Internalpudendalartery
e)Obturatorartery
CorrectAnswer-A:C:D:E
Ans.a.Inferiorvesicalartery;c.Iliolumbarartery;d.Internal
pudendalartery;e.Obturatorartery
Branchesofanteriordivisionofinternaliliacarteryare:
Superiorvesical
Middlerectal
Inferiorvesical(inmales),
Internalpudendal,
Vaginal(infemales),
Uterine(infemales)
Obturator
Inferiorgluteal.
Branchesofposteriordivisionare:
Iliolumbar
Lateralsacral
Superiorgluteal.
3.Compressionofcervicalribcancauses:
a)Thenarhypertrophy
b)Neurovascularsymptom
c)Reynaud'sphenomenon
d)C8Tlparaesthesia
e)All
CorrectAnswer-B:C:D
Ans.b.Neurovascularsymptom;c.Reynaud'sphenomenon;d.
C8Tlparesthesia
Thelowertrunkofthebrachialplexus(C8,Tl),togetherwiththe
subclavianarterymaybeangulatedoveracervicalrib(thoracic
outletsyndrome).
Thereisaslowinsidiousonsetofwastingofthesmallmusclesof
thehand,whichoftenstartsonthelateralsidewithinvolvementof
thethenareminence&firstdorsalinterosseous.
Thereispain¶esthesiainthemedialaspectoftheforearm
extendingtothelitdefinger
4.Trueaboutattachmentofsuprapleural
membrane:
a)AttachedtoClavicle
b)Attachedtolstrib&itscostalcartilage
c)Attachedto2ndrib&itscostalcartilage
d)Attachedtojunctionofmanubrium&bodyofsternum
e)Attachedtotipofthetransverseprocessofthe7thcervical
vertebrae
CorrectAnswer-B:E
Ans.b.Attachedtolstrib&itscostalcartilage;e.Attachedto
tipofthetransverseprocessofthe7thcervicalvertebrae
SuprapleuralMembrane:
Itistentshapedfibroussheetattachedlaterallytothemedialborder
ofthelstrib&costalcartilage.
Mediallyitattachedtothefasciainvestingthestructurespassing
fromthethoraxintotheneck.
Itisattachedatitsapextothetipofthetransverseprocessofthe
7thcervicalvertebrae
5.Whichofthefollowingsinusesopeninto
middlemeatus:
a)Frontalsinus
b)Anteriorethmoidalsinus
c)Posteriorethmoidalsinus
d)Maxillarysinus
e)Sphenoidsinus
CorrectAnswer-A:B:D
Ans.a.Frontalsinus;b.Anteriorethmoidalsinus;d.Maxillary
sinus
Partoflateralnasal Openings
wall
Inferior
Nasolacrimalduct
Frontalsinus,Maxillarysinus,Anterior
Middle
ethmoidalsinus
Superior
Posteriorethmoidalsinus
Sphenoethmoidal
Sphenoidsinus
recess
6.TrueaboutanatomyofEustachiantube:
a)Aeratemiddleear
b)Openduringswallowing
c)Lager&widerinadultthanchildren
d)Morehorizontalininfant&children
e)Openinoropharynx
CorrectAnswer-A:B:D
Ans.a.Aeratemiddleear;b.Openduringswallowing;d.More
horizontalininfant&children
TheEustachiantube/auditorytubeintheadultis36mmin
length.(Range32-38mm)Fromitstympanicend,itruns
downwardforwardandmediallyjoininganangleof45?with
horizontal.
Ininfants,thetubeisshorter,widerandismorehorizontal.
Thetympanicendoftheeustachiantubeisbonyandissituatedin
theanteriorwallofmiddleear.
Thepharyngealendofthetubeisslitlikeandissituatedinthe
lateralwallofthenasopharynx,1-1.25cmbehindtheposteriorend
ofinferiorturbinate.
NormallyEustachiantube(ET)isclosedandopensintermittently
duringyawning,swallowingandsneezingthroughactivecontraction
ofTensorvilipalatinimuscle.
Normaltubalfunction:
Abilityoftubetoequilibratepositive&negativepressurestoambient
pressure.
Donebothinpatientswithperforatedorintacttympanicmembrane.
7.Trueaboutpalatinetonsil:
a)Cryptsislinedbysquamousepithelium
b)SuppliedbyIXCN
c)Tonguedepressorisusedforexamination
d)Arterialsupplyisbytonsillarascendingbranchofgrater
palatineartery
e)Presentinoropharynx
CorrectAnswer-A:B:C:E
Ans.(A)Cryptsislinedbysquamousepithelium;(B)Supplied
byIXCN;(C)Tonguedepressorisusedforexamination;(E)
Presentinoropharynx
Palatinetonsil
ThePalatinetonsilsaretwoprominentmassessituatedoneon
eithersidebetweentheglossopalatineandpharyngopalatine
arches.
Eachtonsilconsistsfundamentallyofanaggregationoflymphoid
tissueunderlyingthemucousmembranebetweenthepalatine
arches.
Inthechildthetonsilsarerelatively(andfrequentlyabsolutely)
largerthanintheadult
Thefolliclesofthetonsilarelinedbyacontinuationofthemucous
membraneofthepharynx,coveredwithstratifiedsquamous
epithelium
Arteriessupplyingthetonsilarethe:
Dorsalislinguaefromthelingual
Theascendingpalatineandtonsillarfromtheexternalmaxillary
Theascendingpharyngealfromtheexternalcarotid
Thedescendingpalatinebranchoftheinternalmaxillary
Atwigfromthesmallmeningeal.
Theveinsendinthetonsillarplexus,onthelateralsideofthetonsil
Thenervesarederivedfromthesphenopalatineganglion,andfrom
theglossopharyngeal.
8.Featuresofstellateganglionlesions
include:
a)Miosis
b)Vasodilationinipsilateralarm
c)Mydriasisincontralateraleye
d)Mydriasisinipsilateraleye
e)Visualloss
CorrectAnswer-A:B
Ans.a.Miosis;b.Vasodilationinipsilateralarm
HorneroccurduetoinjuryofTlsympathetictrunk.Thereisptosis,
miosis,anhydrosis(vasodilation&lackofthermalsweating),
enophthalmos(sunkenglobe),lossofcilio-spinalreflex,narrow
palpebralfissureofaffectedside
9.Trueaboutparietalperitoneum:
a)Suppliedbylower5thoracic&1stlumbar
b)Suppliedbylower4thoracic&upper3lumbar
c)Painissomaticinnature
d)Stretchingofparietalperitoneumcausepain
e)None
CorrectAnswer-A:C
Ans.a.Suppliedbylower5thoracic&1stlumbar;c.Painis
somaticinnature
ParietalPeritoneum:
Itissensitivetopain,temperature,touch&pressure
Theparietalperitoneumliningtheanteriorabdominalwallissupplied
bythelower6thoracic&1stlumbarnervesthatis,thesamenerves
thatinnervatetheoverlyingmuscles&skin.
Thecentralpartofdiaphragmaticperitoneumissuppliedbythe
phrenicnerve;peripherally,diaphragmaticperitoneumissuppliedby
lowersixthoracicnerves.
Theparietalperitoneuminthepelvisismainlysuppliedbythe
obturatornerve,abranchofthelumbarplexus
10.Trueregardingsaphenousvein:
a)Longsaphenousvein-formedascontinuationofmedialsideof
deepvenousarch
b)Longsaphenousvein-situatedposteriortomedialmalleolus
c)Longsaphenousvein-closelyrelatedtosaphenousnerve
d)Shortsaphenousvein-openintogreatsaphenousvein
e)Shortsaphenousvein-associatedwithsuralnerve
CorrectAnswer-A:C:D:E
Ans.a.Longsaphenousvein-formedascontinuationofmedial
sideofdeepvenousarch;c.Longsaphenousvein-closely
relatedtosaphenousnerve;d.Shortsaphenousvein-openinto
greatsaphenousvein;e.Shortsaphenousvein-associated
withsuralnerve
LongSaphenousVein
Formedbytheunionofthemedialendofdorsalvenousarchwith
themedialmarginalvein
Passesupwardsinfrontofthemedialmalleolus,crossesthelower
one-thirdofthemedialsurfaceoftibiaobliquely&runsalongits
medialbordertoreachthebackoftheknees
ThesaphenousnerverunsinfrontofthegreatsaphenousVein
Small/ShortSaphenousVein:
Formedonthedorsumoffootbytheunionofthelateralendof
dorsalvenousarchwiththelateralmarginalvein
Entersthebackofthelegbypassingbehindthelateralmalleolus
Connectedwiththegreatsaphenousvein&withthedeepveins&is
accompaniedbythesuralnerve
11.TrueaboutHering-Breuerreflex:
a)Signalinitiatedthroughmechanoreceptorreceptorsoflung
b)SignalinitiatedthroughChemoreceptoroflung
c)SignalinitiatedthroughCarotid&aorticbody
d)Transmitsignalsthroughthevagusnerve
e)None
CorrectAnswer-A:D
Ans,(A)Signalinitiatedthroughmechanoreceptorreceptorsof
lung(D)Transmitsignalsthroughthevagusnerve
[Ref:Ganong25th/662,24th/664;Guyton12th/372;A.K.lain5th/461,
463,465]
Hering-BreuerinflationReflex-LunginflationSignalsLimit
Inspiration:
Hering-Breuerinflationreflexisanincreaseinthedurationof
expirationproducedbysteadylunginflation,andtheHering-Breuer
deflationreflexisadecreaseinthedurationofexpirationproduced
bymarkeddeflationofthelung.
Inhumanbeings,theHering-Breuerreflexprobablyisnotactivated
untilthetidalvolumeincreasestomorethanthreetimesnormal
(greaterthanabout1.5litersperbreath).
LungInflationSignalsLimitInspiration-TheHerireuerInflation
Reflex:
Stretchreceptorstomechanoreceptorclass.
Stretchreceptors,locatedinthemuscularportionsofthewallsofthe
bronchiandbronchiolesthroughoutthelungs,transmitsignals
throughthevagiintothedorsalrespiratorygroupofneuronswhen
thelungsbecomeoverstretched.
12.Trueaboutbloodsupplyofkidney:
a)Flowis600ml/mineachkidney
b)Itreceivesmorebloodsupplyperunitmassthanthebrain
c)Renalmedullahavemoresupplythanrenalcortex
d)Itisunderdirectsympatheticcontrol
e)None
CorrectAnswer-A:B:D
Ans.(A)Flowis600ml/mineachkidney(B)Itreceivesmore
bloodsupplyperunitmassthanthebrain(D)Itisunderdirect
sympatheticcontrol
[Ref:Ganong25th/602,674,24th/676-77;Guyton12th/466-67]
Essentiallyallthebloodvesselsofthekidneys,includingtheafferent
andefferentarterioles,arerichlyinnervatedbysympatheticnerve
fibers.
Bloodflowtothetwokidneysisnormallyabout22percentofthe
cardiacoutput,or1100mlmin
Theouterpartofthekidney,therenalcortex,receivemostofthe
kidney'sbloodflow.
Bloodflowinrenalmedullaaccountsforonly1to2%ofthetotal
renalflow
Onaper-gram-weightbasis,thekidneysnormallyconsumeoxygen
attwicetherateofthebrainbuthavealmostseventimestheblood
flowofthebrain.
Inarestingadult,thekidneysreceive1.2-1.3Lofbloodperminute,
orjustunder25%ofthecardiacoutput
13.AllaretrueaboutBrunner'sglandexcept:
a)Itliesinduodenumonly
b)Itliesinduodenum&ileum
c)Itsecretesbicarbonaterichfluid
d)ItsecretionsneutralizesacidicpHofstomach
e)Secretesmucusrichfluid
CorrectAnswer-B
Ans.B.Itliesinduodenum&ileum
[RefGuyton12th/400;A.K.lain5th/202-03]
Brunner'sGland:
Sub-mucousglands&aretortuous,long&penetratethemuscularis
mucosa
Drainsintothecryptsoflieberkuhn.
Numerousinfirstpartofduodenum(duodenalcaporbulb)meager
belowthecommonopeningofbile&pancreaticducts.
Ingestionoffattyfoodorsecretininjectionproduceslargevolumeof
thickalkalinemucoussecretionwhichprobablyhelpstoprotectthe
duodenalmucosafromthegastricacid.
Intheduodenumthereareinadditionthesmall,coiledacinotubular
duodenalglands(Brunner'sglands
Functions:
Protectstheduodenalwallfromdigestionbythehighlyacidicgastric
juiceemptyingfromthestomach.
Mucuscontainsalargeexcessofbicarbonateions,whichaddtothe
bicarbonateionsfrompancreaticsecretionandliverbilein
neutralizingthehydrochloricacidenteringtheduodenumfromthe
stomach"
14.Bloodbrainbarrierisabsentin?
a)Adenohypophysis
b)Neurohypophysis
c)Hypothalamus
d)Thalamus
e)None
CorrectAnswer-B
Ans.is'b'i.e.,Neurohypophysis
Bloodbrainbarriersexistbothatthechoroidplexusandatthetissue
capillarymembranesinessentiallyallareasofthebrainparenchyma
exceptinsomeareosofthehypothalamus,pinealgland,adarca
posttema,wheresubstancesdiffusewithgreatereaseintothetissue
spaces.
FourareasthatareoutsideofBBBare(l)theposteriorpituitary
(neurohypophysis)andtheadjacentventralpartofthemedian
eminenceofthehypothalamus,(2)theareapostrema,(3)the
organumvasculosumofthelaminaterminalis(OVLT,supraoptic
crest),and(4)thesubfornicalorgan(SFO).
Referredtocollectivelyasthecircumventricularorgans
15.Oxygenbindingtohemoglobincause
allostericactivation.Thisallosteric
propertyofHbresultsin:
a)Maintainingironinferrousstate(Fe2+)
b)Increaseoxygensupplytotissue
c)Increasesoxygenbinding
d)Increases2,3-DPGinblood
e)None
CorrectAnswer-B:C
Ans.(B)Increaseoxygensupplytotissue(C)Increasesoxygen
binding
[RefHarper30th/54-55,29th/S0-51;Ganong2STH/639-4I,
24th/64I-44;Guyton12th/353-56;A.KIain5the/p.57]
Theironinhaemlsinfenousstate(Fe2+)form.
EachFe2+combineloosely&reversiblywithonemoleculeof
oxygen.
Combinationofhaemwithoxygeniscalledoxygenation¬
oxidation,becauseaftercombinationwithorygen,ironinhaemstay
inFe2+state
OxygenationofHemoglobinTriggersConformationalChanges
intheApoprotein:
Hemoglobinsbindfourmoleculesof02pertetramer,oneperheme.
AmoleculeofO2bindstoahemoglobintetramermorereadilyif
otherO2moleculesarealreadybound.
Termedcooperativebinding,thisphenomenonpermitshemoglobin
tomaximizeboththequantityofO2loadedatthePO2ofthelungs
andthequantityofO2releasedatthePO2oftheperipheraltissues.
TheAllostericPropertiesofHemoglobinsResultfroMTheir
QuaternaryStructures.
Thepropertiesofindividualhemoglobinsareconsequencesoftheir
quaternaryaswellasoftheirsecondaryandtertiarystructures.
Thequaternarystructureofhemoglobinconfersstrikingadditional
properties,absentfrommonomericmyoglobin,whichadaptsittoits
uniquebiologicalroles.
16.Secretionofinsulinisincreasedby:
a)Fattyacid
b)Aminoacid
c)Adrenaline
d)Acetylcholine
e)Somatostatin
CorrectAnswer-A:B:D
Ans.(A)Fattyacid(B)Aminoacid(D)Acetylcholine
[RefGanong25TH/439,24th/441;Guyton12th/615]
IncreaseinsulinSecretion:
Increasedbloodglucose
increasedbloodfreefattyacids
Increasedbloodaminoacids
Gastrointestinalhormones(gastrin,cholecystokinin,secretin,gastric
inhibitorypeptide)
Glucagon,growthhormone,cortisol
Parasympatheticstimulation;acetylcholine
Beta-adrenergicstimulation
Insulinresistance;obesity
Sulfonylureadrugs(glyburide,tolbutamide)
17.Nervevelocityisincreasedby:
a)Myelination
b)Smalleraxondiameter
c)Decreasedtemperature
d)Increaseinintracellularcalcium
e)Increaseinextracelluarsodium
CorrectAnswer-A
Ans.A.Myelination
[RefGanong25TH/94,24th/91;Guyton12th/72-7j;A.K'lain5th/147]
Greaterthediameterofagivennervefibre,thegreaterisitsspeed
(becausealargefiberofferslessresistancetohighcurrent.
Inmyelinatedfibres,thespeedofconductionisapproximately6
timesthefiberdiameter.
Thediameterofmyelinatedfibersrangefrom1-20micro/m,therifore
conductionvelocityvariesfrom6-120mts/sec
18.Trueaboutcarbohydratemetabolism:
a)Itsupplies4kcalspergram
b)Itincreasesinsulinsecretion
c)Storedinliver
d)Instarvationglycogeninliverisexhaustedonlyafter24-48hr
e)Itprovide80%calorieneedofbody
CorrectAnswer-A:B:C:E
Ans.A,Itsupplies4kcalspergramB,Itincreasesinsulin
secretionC,Storedinliver&E,Itprovide80%calorieneedof
body
[Ref:Harper30th/176;Park23rd/613;LippincottBiochemistry
6th/329:Ganong25TH/24,24th/441;A.KIain5th/622-29]
Carbohydratemetabolism:
After12to18hoursoffasting,liverglycogenisalmosttotally
depleted.
Theliverservesasreceiving,manufacturing,storing&distributing
centreforglucose.
Liverglycogenisnearlyexhaustedafter10-18houroffasting.
Provides4k/calspergrams(protein-4;fat-9;dietaryfibre-2)
Themainsourceofenergyindietsiscarbohydratesare
carbohydratesderivedlargelyfromcereals.
Thesecerealsconstituteabout80%ofourdiet&provides50-80%
ofdailyenergyintake.
19.Calcitriolinchildrenisformedin:
a)Glomerulus
b)Bowmanncapsule
c)PCT
d)DCT
e)Collectingduct
CorrectAnswer-C
Ans.(C)PCT
[Ref:Ganong25th/377-78,24th/461Nelson19th/204;A.K.lain
Sth/730:OPGhai8th/112]
Calcitriolisproducedinthecellsoftheproximaltubuleofthe
nephroninthekidneysbytheactionof25-hydroxyvitaminD31-
alpha-hydroxylase,amitochondrialoxygenaseandanenzyme
whichcatalyzesthehydroxylationof25-hydroxycholecalciferol
(calcifediol).
TheactIVItyoftheenzymeisstimulatedbypTH.
ThereactionisanimportantcontrolpointinCa2+homeostasis.
20.Whichofthefollowingis/arePainscale:
a)McGillPainQuestionnaire
b)Visualanaloguescale
c)ColouredAnalogueScale
d)Alloftheabove
e)Noneoftheabove
CorrectAnswer-D
Ans.A,McGillPainQuestionnaireB,Visualanaloguescale&
C,ColouredAnalogueScale
ListofPainMeasurementScales:
Wong-BakerFACESPainRatingScale
Visualanalogscale(VAS)
McGillPainQuestionnaire(MPQ)
NeckPainandDisabilityScale-NPAD
Lequesnealgofunctionalindex.
BehavioralPainScale(BPS)
BriefPainInventory(BPI)
ClinicalGlobalImpression(CGI)
Critical-CarePainObservationTool(CPOT)
COMFORTscale
FacesPainScale-Revised(FPS-R)
21.Terminalproduct(s)ofphenylalanineis:
a)Fumarate
b)AcetylCoA
c)Oxaloacetate
d)Acetoacetate
e)None
CorrectAnswer-A:B:D
Ans:a.Fumarate,b.AcetylCoA&d.Acetoacetate
[RefHarper30th/285,304,29th/269,290;Lippincott6th/263,262;
Satyanarayan3rd/345-47;Vasudevan5th/202-03]
"Thepredominantmetabolismofphenylalanineoccursthrough
tyrosine.Duringthecourseofdegradation,phenylalanine&tyrosine
areconvertedtometabolite,fumarate&acetoacetate,whichcan
serveasprecursorsforthesynthesisofglucose(fumarate-Itisan
intermediateofthecitricacidcycle&canalsoserveasprecursorfor
gluconeogenesis)&fat(acetoacetate-Itisaketonebodyfromwhich
fatcanbesynthesized)".
Phenylalaninehydroxylaseisanenzymethatcatalyzesthe
hydroxylationofthearomaticside-chainofphenylalanineto
generatetyrosine.
Phenylalanineisfirstconvertedtotyrosine.Subsequentreactions
arethoseoftyrosine"(Harper30th/304,29th/288)"Hydroxylationof
phenylalanineproducetyrosine.Metabolismofphenylalanine&
tyrosinemerge,leadingultimatelytotheformationoffumarateer
acetoacetate.phenylalanine&tyrosineare,therefore,both
glucogenicorketogenic.
22.NADPHisproducedby:
a)Pyruvatedehydrogense
b)Isocitratedehydrogense
c)a-ketoglutarylDehydrogense
d)SuccinateDehydrogense
e)Malatedehydrogense
CorrectAnswer-A:B:C:E
Ans:a.Pyruvate...,b.Isocitrate....c.a-ketoglutaryl...,&e.
Malate...,
[RefHarper30th/169,29th/177;Lippincott6th/109-13,155;Shinde
7th/321]
MethodofATP
Pathway Reactioncatalyzedby
ATP
formation
1.Pyruvate
1.Respiratorychain
5
dehydrogenase
oxidationof2NADH
2.Isocitrate
2.Respiratorychain
5
dehydrogenase
oxidationof2NADH
3.a-Ketoglutarate
3.Respiratorychain
Citric
5
dehydrogenase
oxidationof2NADH
acid
4.Substratelevel
cycle
4.Succinatethiokinase
2
phosphorylation
5.Succinate
5.Respiratorychain
3
dehydrogenase
oxidationof2ADH2
6.Malate
6.Respiratorychain
5
dehydrogenase
oxidationof2NADH
23.Opticallyinactiveaminoacidis/are:
a)Threonine
b)Thyronine
c)Valine
d)Glycine
e)Serine
CorrectAnswer-D
Ans:d.Glycine[RefVasudevan5th/20;Shinde7th/78]
Aminoacidshavinganasymmetriccarbonatomexhibitoptical
activity.Asymmetryariseswhen4differentgroupsareattachedto
thesamecarbonatom
Glycineisthesimplestaminoacids&hasnoasymmetriccarbon
atom&thereforeshowsnoopticalactivity.Allothersareoptically
active
Themirrorimageformsproducedwithreferencetothealphacarbon
atom,arecalledD&Lisomers
Isoleucineerthreoninehave2opticallyactivecentres&therefore
eachhas4diastereoisomers
24.Informing3Dstructureofprotein
followingcomponentshelp:
a)Hydrogenbonds
b)Aminoacidsequence
c)Interactionbetweenaminoacidsidechains
d)Chaperon
e)allofthese
CorrectAnswer-E
Ans:(E)allofthese[RefHarper30th/39-41,29th/36-40;
Vasudevan5th/27;Lippincott6th/18-19,22;Shinde7th/86-88]
The3-dimensionalarrangementofproteinstructureisreferredtoas
tertiarystructure.Thistypeofarrangementensuresstabilityofthe
molecule.Besidesthehydrogenbonds,disulfidebonds,ionic
interactions(electrostaticbonds)&hydrophobicinteractionsalso
contributetothetertiarystructureofprotein.
Theunique3dimensionalstructureofthenativeconformationis
determinedbyitsprimarystructure,thatis,itsaminoacidsequence,
Interactionsb/wtheaminoacidsidechainsguidethefoldingofthe
polypeptidechaintoformsecondary,tertiary&(sometimes)
quaternarystructures,whichcooperateinstabilizingthenative
conformationoftheprotein.
Inaddition,aspecializedgroupofproteinnamedchaperonesis
requiredfortheproperfoldingofmanyspeciesofproteins.
25.Testusedforproteinis/are:
a)Westernblot
b)Southernblot
c)ELISA
d)CHIPessay
e)Dotblotting
CorrectAnswer-A:C:D
Ans:a.Westernblot,c.ELISAd.CHIPessay
[RefHarper30th/457,29th/439;Lippincott6th/484,473,485;
Satyanarayan3rd/589]
Westernblot-Measuresproteinamount
ELISA-detectsproteins(antigenorantibodies)
26.FullformofLCATis:
a)Lecithincholesterolacyltransferase
b)Lecithincholineacyltransferase
c)Lecithincholesterolalkyltransferase
d)Lecithincholinealcoholtransferase
e)LecithinCoAtransferase
CorrectAnswer-A
Ans:a.Lecithincholesterol...[RefHarper30th/272,29th/242,
256;Lippincott6th/234-36]
PlasmaLCATIsResponsibleforVirtuallyAllPlasmaCholesteryl
EsterinHumans(Harper29th/256).LCATactivityisassociatedwith
HDLcontainingapoA-I.AscholesterolinHDLbecomesesterified,it
createsaconcentrationgradientanddrawsincholesterolfrom
tissuesandfromotherlipoproteins,thusenablingHDLtofunctionin
reversecholesteroltransport.
Thisprotein,associatedwithHDL,isfoundinplasmaofhumansand
manyotherspecies.Itfacilitatestransferofcholesterylesterfrom
HDLtoVLDL,IDL,andLDLinexchangefortriacylglycerol,relieving
productinhibitionofLCATactivityinHDL.
27.Whichvitamindeficiencycausedementia:
a)VitaminA
b)VitaminC
c)VitaminB12
d)VitaminB1
e)Nicotinicacid
CorrectAnswer-C:D:E
Ans:c.Vitamin...,d.Vitamin...&e.Nicotinic...[RefLippincott
6th/379-80;Harrison19th/463]
Niacinornicotinicaciddeficiencycausespellagra.Thesymptomof
pellagraprogressthroughthethreeDs:dermatitis,diarrhea
&dementia"
Niacinpellagra:pigmentedrashofsun-exposedareas,brightred
tongue,diarrhea,apathy,memoryloss,disorientation
FolateMegaloblasticanemia,atrophicglossitis,depression,T
homocysteine
VitaminMegaloblasticanemia,lossofvibratoryandposition
B12sense,abnormalgait,dementia,impotence,lossofbladder
andbowelcontrol,Thomocysteine,Methylmalonicacid
VitaminCScurvy:petechiae,ecchymosis,coiledhairs,inflamed
andbleedinggums,jointeffusion,poorwoundhealing,fatigue
VitaminAXerophthalmia,nightblindness,Bitot'sspots,follicular
hyperkeratosis,impairedembryonicdevelopment,immune
dysfunction
28.Whichofthefollowingorgancannotuse
ketonebody:
a)Brain
b)RBC
c)Muscle
d)Heart
e)Liver
CorrectAnswer-A:E
Ans:a.Brain,e.Liver[RefHarper30th/150,211-12,29th/161,
211-12;Lippincott6th/196;Vasudevan5th/1451.
Ketonebodiescanbeusedbyextrahepatictissuesuchasskeletal&
cardiacmuscle,intestinalmucosa&renalcortex.Eventhebraincan
useketonebodiestohelpmeetitsenergyneedsifthebloodlevels
risesufficiently.
Theketonebodiesareformedintheliver;buttheyareutilizedby
extrahepatictissues.Theheartmuscle&renalcortexpreferthe
ketonebodiestoglucoseasfuel.Tissuelikeskeletalmuscle&brain
canalsoutilizetheketonebodiesasalternatesourcesofenergy,if
glucoseisnotavailable.
29.
Allofthefollowingarepartofinnate
immunityexcept:
a)Complement
b)NKcells
c)Macrophages
d)Tcells
e)None
CorrectAnswer-D
Ans.(d)TcellsRefHarrison17/e;p2021,2031,18/e,p2651.2668
ComponentsoftheAdaptiveImmuneSystem
Thymus-derived(T)lymphocytes-Tcellprecursorsin
thethymus;naivematureTlymphocytesbeforeantigen
exposure;memoryTlymphocytesafterantigencontact;
Cellular
helperTlymphocytesforBandTcellresponses;
cytotoxicTlymphocytesthatkillpathogen-infectedtarget
cells.
Bone-marrow-derived(B)lymphocytes-Bcellprecursors
inbonemarrow;naiveBcellspriortoantigenrecognition;
Humoral
memoryBcellsafterantigencontact;plasmacellsthat
secretespecificantibody.
Solubleproteinsthatdirectfocusandregulate
Cytokines specificTversusBlymphocyteimmuneresponses.
MajorComponentsoftheInnateImmuneSystem
Pattern
Ctypelectins,leucine-richproteins,scavenger
recognition
receptors,pentraxins,lipidtransferases;
receptors(PRR) integrins
a-Defensins,8-defensins,cathelin,protegrin,
Antimicrobial
granulysin,histatin,secretory
peptides
leukoproteaseinhibitor,andprobiotics
Macrophages,dendriticcells,NKcells,NK-T
Cells
cells,neutrophils,eosinophils,mastcells,
basophils,andepithelialcells.
ClassicandaltAutocrine,paracrineernative
Complement
complementpathway,andproteinsthat
components
bindcomplementcomponents
Autocrine,paracrine,endocrinecytokinesthat
mediatehostdefenceandinflammation,aswellas
Cytokines
recruit,direct,andregulateadaptive
immuneresponses
30.Whichofthefollowingdiseaseoccursdue
toDNAmoleculerepairdefect:
a)Krabe'sdisease
b)Angelmannsyndrome
c)Xerodermapigmentosum
d)Marfansyndrome
e)Ataxiatelangiectasia
CorrectAnswer-C:E
Ans:c.Xeroderma...,e.Ataxia...[RefHarper30th/390,29th/374,
28th/330-333;Lippincott6th/410-13;Harrison18th/496,
17th/395]
Angelmannsyndromeresultsfromgeneticdisorderthatresultsfrom
defectingenethatencodesubiquitin";"Marfansyndrome:Itis
causedbymutationingeneforfibrillin";"Krabbedisease:dueto13
?galactosidaseenzymedeficiency.
XerodermaPigmentosum(XP):Anautosomalrecessivegenetic
disease;morethan10genesareinvolved;Theclinical
syndromeincludesmarkedsensitivitytosunlight(ultraviolet)with
subsequentformationofmultipleskincancersandpremature
death,Theriskofdevelopingskincancerisincreased1000-to
2000-fold.
31.cDNAisusedingeneamplificationin
bacteriainsteadofgenomicDNA
because:
a)Easytoreplicatebecauseofsmallsize
b)cDNAlacksintronwhereasthisispresentingenomicDNA
c)Promotorarenotfoundinbacteria
d)Completegenomecannoteasilyreplicatedinbacteria
e)None
CorrectAnswer-A:B:D
Ans:a.Easy...,b.cDNA...&d.Complete[RefHarper30th/455-
56,29th/438-39;Lippincott6th/469-70;Vasudevan5th/449]
BecausecDNAhasnointervening,itcanbeclonedintoan
expressionvectorforthesynthesisofeukaryoticproteinsby
bacteria";"cDNAlacksintrons&thecontrolregionsofthegene,
whereasthesearepresentingenomicDNA"(Lippincott6th/469)
"Bacterialpromotersarerelativelysimple.
cDNAlibrariescontainthoseDNAsequencesthatonlyappearas
processedmessengerRNAmolecules&thesedifferfromonecell
typetoanother.AcDNAlibrarycomprisescomplementaryDNA
copiesofthepopulationofmRNAsinatissue.
cDNAprobesareusedtodetectDNAfragmentsonSouthernblot
transfersandtodetectandquantitateRNAonNorthernblot
transfers
32.FunctionofmiRNAis/are:
a)Genesilencing
b)Geneactivation
c)Transcriptioninhibition
d)Translationrepression
e)BreakingofmessengerRNA
CorrectAnswer-A:D:E
Ans:a.Gene...,d.Translation...&e.Breaking...[RefHarper
30th/368,29th/351-52;Lippincott6th/459;Vasudevan5th/436]
RNAinterferenceisamechanismofgenesilencingthrough
decreasedexpressionofmRNA,eitherbyrepressionoftranslation
orbyincreaseddegradation.
miRNAbindtomatchingpiecesofmessengerRNA,turnitintoa
doublestrand&keepitfromdoingitsjob.Theprocesseffectively
blockstheproductionofcorrespondingprotein.
miRNAsaretypically21-25nucleotidesinlengthandaregenerated
bynucleolyticprocessingoftheproductsofdistinct
genes/transcriptionunits.miRNAprecursorsaresinglestrandedbut
haveextensiveintramolecularsecondarystructure.
33.WhichofthefollowingisCD15&CD30
positive:
a)LymphocytepredominanceHodgkin'slymphoma
b)Mantlecelllymphoma
c)Burkit'slymphoma
d)MixedcellularityHodgkin'slymphoma
e)DiffuselargeBcelllymphoma
CorrectAnswer-D
Answer-D.MixedcellularityHodgkin'slymphoma
CD15-
Granulocytes;alsoexpressedbyReed-Sternbergcellsandvariants
inclassicalHodgkinlymphoma
CD30-
ActivatedBcells,Tcells,andmonocytes;alsoexpressedbyReed-
SternbergcellsandvariantsinclassicalHodgkinlymphoma.
34.Bcellantigensare:
a)CD1
b)CD2
c)CD3
d)CD19
e)CD20
CorrectAnswer-D:E
Answer-(D)CD19(E)CD20
CD1-CorticalthymocytesandLangerhanshistiocytes
CD3-Thymocytes,peripheralTcells
CD19-Marrowpre-BcellsandmatureBcellsbutnotplasmacells
CD20-Marrowpre-BcellsafterCD19andmatureBcellsbutnot
plasmacells
35.Trueaboutprotooncogene:
a)Onlyfoundinvirus
b)Onlyfoundinmalignantcell
c)Normallyinvolvedincellcycleproliferation
d)Canbeconvertedtooncogene
e)Onmutationitcausescancer
CorrectAnswer-C:D:E
Answer-(C)Normallyinvolvedincellcycleproliferation(D)Can
beconvertedtooncogene(E)Onmutationitcausescancer
Genesthatpromoteautonomouscellgrowthincancercellsare
calledoncogenes,andtheirnormalcellularcounterpartsarecalled
protooncogenes.
Proteinsencodedbyprotooncogenesmayfunctionasgrowthfactor
malignantsandreceptors,signaltransducers,transcriptionfactors,
andcell-cyclecomponents.
36.Thrombosisispredisposedby:
a)ProteinSdeficiency
b)Complementdeficiency
c)Antiphospholipidantibodysyndrome
d)Homocysteinuria
e)All
CorrectAnswer-A:C:D
Answer-(A)ProteinSdeficiency(C)Antiphospholipidantibody
syndrome(D)Homocysteinuria
Hypercoagulablestates-
Primary(Genetic)-
ProteinCdeficiency
ProteinSdeficiency
Homozygoushomocystinuria
Secondary(acquired)-
MI
Atrialfibrillation
Prostheticcardiacvalves
DIC
Thrombocytopenia
37.Pancytopeniacanoccurin:
a)CML
b)Kala-azar
c)Typhoid
d)Hairycellleukemia
e)None
CorrectAnswer-B:D
Answer-(B)Kala-azar(D)Hairycellleukemia
Primarybonemarrowdiseases-
Myelodysplasia
Paroxysmalnocturnalhemoglobinuria
Myelofibrosis
BonemarrowlymphomaHairycellleukemia
Sarcoidosis
Tuberculosis
Leishmaniasis
38.Non-smallcelllungcarcinomais/are
associated:
a)K-ras
b)EGFR
c)WT1
d)P53
e)All
CorrectAnswer-A:B:D
Answer-(A)K-ras(B)EGFR(D)P53
K-RASmutationsareseenprimarilyinadenocarcinoma.
p53andRBtumorsuppressorgenesarefrequentlymutated-
Squamouscellcarcinomas
EGFR-Adenocarcinoma
39.Trueaboutcarotidbodytumor:
a)Slowgrowingtumour
b)Uncapsulated
c)MostlyBilateral
d)Mostlybenign
e)All
CorrectAnswer-A:D
Answer-(A)Slowgrowingtumour(D)Mostlybenign
Raretumouroccurb/w3rd&6thdecadeoflifewithslightfemale
preponderance
Afewarebilateral&someshowfamilialincidence
Grosslytheyaresmall,firm,darktan,encapsulatednodules
Tumoursareusuallybenignwithonlyasmallnumberofcases
producingprovenmetastases.
Thereisoftenalonghistoryofaslowlyenlarging,painlesslumpat
thecarotidbifurcation.
40.Whichofthefollowingis/aretrueabout
autosomaldominantpolycystickidney
diseaseexcept:
a)Manypatientsmaybeasymptomatictill3rdor4thdecade
b)Pancreaticcyst
c)Associatedwithhypertension
d)Subarachnoidhaemorrhageismostcommonextrarenal
complication
e)None
CorrectAnswer-D
Answer-D.Subarachnoidhaemorrhageismostcommonextra
renalcomplication
ADPKDischaracterizedbytheprogressivebilateralformationof
renalcrisis.
Inheritance-autosomaldominant
Characterizedbymultipleexpandingcystsofbothkidneys.
Ingrossappearance,thekidneysarebilaterallyenlarged.
Thepainmayresultfromrenalcystinfection,haemorrhage,or
nephrolithiasis.
'Intravenousurographypolycystickidneydisease:Thespiderlegs,
deformityofthecalyces
Focalrenalcystsaretypicallydetectedinaffectedsubjectsbefore
30yearsofage.
Complications-
Hematuria,flankpain,urinarytractinfection,renalstones,
hypertension
41.Whichofthefollowingisnotafeatureof
reversiblecellinjury?
a)Diminishedgenerationofadenosinetriphosphate(ATP)
b)Formationofamorphousdensitiesinthemitochondrialmatrix
c)Formationofblebsintheplasmamembrane
d)Detachmentofribosomesfromthegranularendoplasmic
reticulum
e)Creationofmyelinfigures
CorrectAnswer-B
Answer-B.Formationofamorphousdensitiesinthe
mitochondrialmatrix
Largeflocculent,amorphousdensitiesinthemitochondrialmatrix
occurasaresultofirreversiblecelldamage.
Membranedamageplaysacentralroleinthepathogenesisof
irreversiblecellinjury.
Itismorphologicallyassociatedwithsevereswellingofthe
mitochondria,damageofplasmamembranesandswellingof
lysosomes.
42.Redinfarctoccurin:
a)Intissueswithdualcirculations
b)Occuronlywhenbotharterial&venousobstructionoccurs
simultaneously
c)Organswhicharepreviouslycongested
d)Organswithloosetissue
e)All
CorrectAnswer-A:C:D
Answer-(A)Intissueswithdualcirculations(C)Organswhich
arepreviouslycongested(D)Organswithloosetissue
Redinfarcts(Haemorrhagic):occurwith:
Venousocclusions(egovariantorsion);
Inloosetissues(suchaslungs);
Intissueswithdualcirculation(e.g.Lung&S.intestine)
Intissuesthatwerepreviouslycongestedbecauseofsluggish
venousoutflow.
Whenflowisreestablilshedtoasiteofpreviousarterialocculusion
andnecrosis.
43.Trueaboutfibrolamellarcarcinomaof
liver:
a)Betterprognosisthantypicalhepatocellularcarcinoma
b)Associatedwithcirrhosis
c)AFP-positive
d)Occurinyoungeradults
e)Morecommoninfemales
CorrectAnswer-A:D:E
Answer-(A)Betterprognosisthantypicalhepatocellular
carcinoma(D)Occurinyoungeradults(E)orecommonin
females
Itisadistinctivevariantofhepatocellularcarcinoma
Itisseeninyoungadults(20-40yrsofage)
Ithasequalsexincidence
Ithasbetterprognosis
IthasnoassociationwithHBVorcirrhosis
Itisgrosslyencapsulatedmass.
AFPelevationisnotseeninFibrolamellarCa
44.Whichofthefollowingis/aretrueabout
Prothrombintime:
a)Assessextrinsicpathways
b)TinLiverdisease
c)LinVit.Kdeficiency
d)Normalvalueis2-4minute
e)None
CorrectAnswer-A:B
Answer-(A)Assessextrinsicpathways(B)TinLiverdisease
Prothrombiatimeassayassessesthefunctionoftheproteinsinthe
extrinsicpathways.
Normalvalue-10to14sec
Evaluationofextrinsic&commonpathway.
Increasedinoralanticoagulationtherapy,DICandliverdisease,
VitaminKdeficiency.
45.TrueaboutThromboticthrombocytopenic
purpura:
a)Indirecthyperbilirubemia
b)Spherocytosiswiththrombocytopenia
c)Scistocytosiswiththrombocytopenia
d)Thrombiformation
e)All
CorrectAnswer-A:C:D
Answer-(A)Indirecthyperbilirubemia(C)Scistocytosiswith
thrombocytopenia(D)Thrombiformation
Itischaracterizedbyapentad-
Micromgiopathichemolyticanemia,thrombcytopenia,renalfailure,
neurologicfindings,andfever.
TTPdiagnosisincludeanincreasedlactatedehydrogenaseand
indirectbilirubin,decreasedhaptoglobin,andincreasedreticulocyte
count.
Theperipheralsmearshouldbeexaminedforevidenceof
schistocytes.
46.Inwhichofthefollowingdiseases
antineutrophilcytoplasmic
antibodies(ANCA)arenotfound:
a)Polyarteritisnodosa
b)Microscopicpolyangitis
c)Wegenergranulomatosis
d)Bechetsyndrome
e)Churg-Strausssyndrome
CorrectAnswer-A:D
Answer-(A)Polyarteritisnodosa(D)Bechetsyndrome
ANCApositive
Wegner'sgranulomatosis
Microscopicpolyarteritis
Churg'strausssyndrome
Renal-limitedvaculitis
(crescentricglomerulonephritis)
47.Anti-nuclearantibodiesarenotfoundin:
a)SLE
b)DiffuseScleroderma
c)Druginducedlupus
d)Limitedsceleroderma
e)Sarcoidosis
CorrectAnswer-E
Answer-(E)Sarcoidosis
Foundin-
Druginducedlupus
Sjogren'ssyndrome
Scleroderma
Polymyositis
Dermatomyositis
Arthritis
48.at30yrofage,bloodformingbone
marrowarefoundin
a)Sternum
b)Sacrum
c)Pelvis
d)Upperendtibia
e)Upperendhumerus
CorrectAnswer-A:B:C:D:E
Answer-(A)Sternum(B)Sacrum(C)Pelvis(D)Upperendtibia
(E)Upperendhumerus
Byage18onlythevertebrae,ribs,sternum,skull,pelvis,and
proximalepiphysealregionsofthehumerusandfemur.
49.Pericardialeffusionis/areseeninall
except:
a)Uraemia
b)SLE
c)Rheumaticfever
d)Myxedema
e)Hyperthyroidism
CorrectAnswer-E
Answer-(E)Hyperthyroidism
Infectious
Viral
Bacterial
Fungal
Parasite
Rickettsia
Postinjury
Trauma
Surgery
Myocardialinfarction
Radiation
Metabolicdiseases
Uremia
Medications
Systemicdiseases
Rheumatoidarthritis
Systemiclupuserythematosus
Sarcoidosis
Scleroderma
Dermatomyositis
AmyloidosisTumors
Aorticdissection
50.Epidermalgrowthfactoris/areformedby:
a)Platelet
b)Fibroblast
c)Mastcell
d)Endothelialcell
e)Keratinocyte
CorrectAnswer-A:E
Answer-(A)Platelet(E)Keratinocyte
Inhealingwoundsoftheskin,EGFisproducedbykeratinocytes,
macrophages,andotherinflammatorycellsthatmigrateintothe
area.
51.Cyclindependentkinase-2(CDK-2)acts
via:
a)CyclinA
b)CyclinB
c)CyclinC
d)CyclinD
e)CyclinE
CorrectAnswer-A:E
Answer-(A)CyclinA(E)CyclinE
FormsacomplexwithcyclinEinlateG1,whichisinvolvedinthe
G1/Stransition.
FormsacomplexwithcyclinAattheSphasethatfacilitatesthe
G2/Mtransition.
52.WhichofthefollowingpairofGreceptor
iscorrectlymatchedwithitsaction:
a)Gi-Activationofcalciumchannel
b)Gq-Tcytoplasmiccalcium
c)Gs-Openingofcalciumchannel
d)Go-Openingofpotassiumchannel
e)Gt-Activationofpotassiumchannel
CorrectAnswer-B:C:D
Ans.B,Gq-TcytoplasmiccalciumC,Gs-Openingofcalcium
channel&D,Go-Openingofpotassiumchannel
[RefKDT7th/a5-49;Katzung31]
GsopenCa2+channelsinmyocardium6skeletalmuscle,whileGi
&GoopenK+channelinheart&smoothmuscleasweIIasinhibit
neuronalCa2+channel
GReceptor:
Gs:Adenylylcyclaseactivation,Ca2+channelopening
Gi:Adenylylcyclaseinhibition,K+channelopening
Go:Ca2+channelinhibition.
Gq:PhospholipaseCactivation
53.Mineralocorticoidreceptorsantagonist(s)
is/are:
a)Spironolactone
b)Triamterene
c)Epleroenone
d)Amiloride
e)Acetazolamide
CorrectAnswer-A:C
Ans.(A)Spironolactone&(C)Epleroenone
[RefKDT.Tth/578;Katzung12th/261-62]
PotassiumSparingDiuretics
Aldosteroneantagonists:Spironolactone,eplerenone
InhibitorsofrenalepithelialNa+channel:Triamterene,Amiloride
MOA:
Actbydirectpharmacologicantagonismofmineralocorticoid
receptors(spironolactone,eplerenone)orbyinhibitionofNatinflux
throughionchannelsintheluminalmembrane(amiloride,
triamterene).
54.Allofthefollowingareactionsof
muscarinicantogonists,except:
a)Decreasegastricsecretions
b)Decreaserespiratorysecretions
c)Contractradialmusclesofiris
d)FascilitatesAVconduction
e)None
CorrectAnswer-C
Ansis'c'i.e.Contractradialmusclesofiris
Radialmusclesareinnervatedbysympatheticsystemsnotby
parasympathetic(muscarinic)system
Irismusclesthatcontrolthesizeofpupil
Therearetwotypesofmusclesiniristhatcontrolthesizeof
pupil:
1. Theirissphincterorconstrictorpupillae(circularmuscles):These
musclesareinnervatedbytheparasympatheticsystemandcause
constrictionofpupil(miosis).
2. Theirisdilatorordilatorpupillae(radialmuscles):Thesemuscles
areinnervatedbysympathetic(a,adrenergic)systemandcause
dilatationofpupil(mydriasis)
So,pupilsizemaybealteredbyfollowingmechanismsbydifferent
ANSdrugs:
A.Mydriasis(dilatationofpupil)
Sympathomimeticdrugs(a,agonists):Bycontractionofradial
muscles(dilator).
Antimuscarinicdrugs:Byblockingtheactionofcircularmuscles
(pupillarysphincter).
B.Miosis(constrictionofpupil)
1. Parasympathomimetic(muscarinic)drgus:Bystimulatingthe
contractionofcircularmuscles(pupillarysphincter).
2. Sympatholyticdrugs(a,antagonists):Byblockingtheactionofradial
muscles(irisdilator)Aboutotheroptions
Muscarinicantagonists(antimuscarinicdrugs)decreasebothgastric
andrespiratory(bronchial)secretionsoAntimuscarinicdrugs
facilitateAVconduction(seepreviousexplanations).
55.UnwantedinteractionsofMAOinhibitors
occurwith:
a)Levodopa
b)Hydrochlorothiazide
c)Reserpine
d)Pethidine
e)None
CorrectAnswer-A:C:D
Ans.A,LevodopaC,Reserpine&D,Pethidine
NonSelectiveMAOInhibitors:Interactions:
Cheesereaction-
Varietiesofcheese,beer,wine,pickledmeat&fish,yeastextract
containlargequantitiesoftyramine,dopaetc.
InMAOinhibitedpatientscausehypertensivecrisis&
cerebrovascularaccidents.
Cold&coughremedies-Ephedrine.
Reserpine,guanethidine,tricyclicantidepressants
Levodopa:
Excitement&hypertension.
Antiparkinsoniananticholinergics:
Hallucinations&symptomssimilartothoseofatropinepoisoning
Barbiturates,alcohol,opioids,antihistamines:
Actionsofthesedrugisintensified&prolonged.Respirationmay
fail..
Pethidine:
Highfever,sweating,excitation,delirium,convulsions&severe
respiratorydepression.
Note:
HydrochlorothiazidedruginteractionsnotincludeMAO-Inhibitors
56.Whichofthefollowingis/aretrueabout
Sulfonylureaexcept:
a)Increaseinsulinsecretion
b)Causehypoglycemia
c)Causeweightloss
d)Disulfiram-likereactionafteralcoholintake
e)Safeinpregnancy
CorrectAnswer-C:E
Ans.C,Causeweightloss&E,Safeinpregnancy
[RefKDT7th/270-73;Katzung12th/754-5]
Sulfonylureas:
Provokeabriskreleaseofinsulinfrompancreas.
Hypoglycemiaisthemostcommonproblem.
MajorityofdiabeticsstartedonSUstendtogain1-3kg.
Flushing&disulfiram-likereactionafteralcoholoccurinsome
individualstakingSUs
Safetyduringpregnancyisnotestablished.
57.Weightgainisnotseenwith:
a)Clozapine
b)Risperidone
c)Olanzapine
d)SSRI
e)Zotepine
CorrectAnswer-D
Ans.(D)SSRI
[RefKDT7th/aal,442;Katzung12d/512,509]
ClozapineMetaboliccomplications(Major)-Weightgain,
hyperlipidemia&precipitationofdiabetes.
Olanzapinecausesweightgain.
Risperidonecausesweightgain&incidenceofnewonsetdiabetes
islessthanwithclompine
increasedappetite&weightgainisnoteilwithmostTCAs&
trazodone,butnotwithSSRIs,SNRIs&bupropion.
Zotepine:Weightgain,hyperglycemia&dyslipidemiaareLikelyas
withclozapine
Quetiapine:Weightgain&riseinbloodsugarismoderate.
Aripiprazole:Littletendencytoweightgain.
58.Whichofthefollowingis/aretrueabout
dobutamine:
a)Selective(32receptoragonist
b)Tventricularfillingpressure
c)Halflifeisabout2min
d)Dopaminereceptoragonist
e)None
CorrectAnswer-C
Ans.(C)Halflifeisabout2min
[R4KDf7th/134;Katzung12th/141-42,218,225;Goodman&
Gilman11th/251]
Dobutamine:
Derivativeofdopamine,butnotaDlotD2receptoragonist.
Hasactiononalpha&betareceptorsalso.
Yet,onlyprominentactionofclinicallyemployeddosesisincreased
forceofcardiaccontraction&outPut,withoutsignificantchangein
heartrate,peripheralresistance&BP.
Consideredtobearelativelyselectivebeta-1agonist.
Half-lifeofabout2minutes&onsetofactionisrapid.
UsedasaninotroPicagentinpumpfailureaccompanying
myocardialinfarction,cardiacsurgery&forshorttermmanagement
ofseverecongestiveheartfailure.
59.Apersonhasgiven0.175gmoraldigoxin
withbioavailabilty70%.Theamountof
drugreachinginsystemiccirculationis:
a)0.175
b)0.175x0.7
c)0.175/7
d)0.175+0.7
e)0.175+1/0.7
CorrectAnswer-B
Ans.(B)0.175x0.7
[RdKDT7th/16,515;Katzungt2th/43]
Amountofdrugreachinginsystemiccirculation=drugdosegivenx
bioavailability
=0.175gmx70/100
=0.175gmx0.7
60.TrueaboutPlacebo:
a)Itworksonlyinpsychiatricperson
b)Responseisbothobjective&subjective
c)Effectalsoseeninnormalperson
d)Itisaninertsubstance
e)None
CorrectAnswer-B:C:D
Ans.B,Responseisbothobjective&subjectiveC,Effectalso
seeninnormalperson&D,Itisaninertsubstance
[RefKDT7th/67;Katzung12th/72]
Placebo:
Aninertsubstancewhichisgiveninthegarbofamedicine.
Workbypsychodynamicratherthanpharmacodynamicmeans&
oftenproducesresponsesequivalenttotheactivedrug
Placebodoinducesphysiologicalresponses,e.g.,theycanrelease
endorphinsinbrain-causinganalgesia.
Substancescommonlyusedasplaceboarelactosetablets/capsules
&distilledwaterinjection.
Themanifestationofthisphenomenoninthesubjectistheplacebo
response(Latin,'Ishallplease')andmayinvolveobjective
physiologicandbiochemicalchangaaswellaschangesin
subjectivecomplaintsassociatedwiththedisease
61.Treatmentofnocardiainfectionincludes:
a)Ampicillin
b)Floroquinolones
c)Azithromycin
d)Cotrimoxazole
e)Amikacin
CorrectAnswer-A:B:D:E
Ans.A,AmpicillinB,FloroquinolonesD,Cotrimoxazole&
E,Amikacin
[RefKDf7th/706,755;Hanisonlgth/1087]
Nocardiosis:
SulfonamidesareofvalueintreatinginfectionsduetoNocardiagrp.
Sulfisoxazoleorsulfadiazinemaybegivenindosagaof6-8gdaily
andiscontinuedforseveralmonthsafteraIImanifestationshave
resolved.
administrationofasulfonamidewith2ndgen.antibiotic(ampicillin,
erythromycin,ardstreptomycin)advised.
CoTrimoxazoleisusedinnocardiosis.
62.Trueaboutmorphine:
a)ActasantagonistonIAreceptorwithnoagonistaction
b)Activationinliver
c)Halflife4hr
d)Causemiosis
e)Clearancetimeisaround20hr
CorrectAnswer-B:D:E
Ans.(B)Activationinliver(D)Causemiosis(E)Clearancetime
isaround20hr
[Ref:KDT7th/469-75;Katzung13th/531-44;Goodman&Gilman
p62-66]
Morphine:
Primarilymetabolizedinliverbyglucuronideconjugation.
Morphine-6-glucuronideisanactivemetabolite(morepotentthan
morphineonpopioidrecePtors),whichcontributetoanalgesia.
AnothermetabolitemorPhine-3-glucuronidehasneuroexcitatory
proPerty.
Plasmahalflifemorphineaverages2-3hours
Effectofaparenteraldoselasts4-6hours.
EliminationisalmostcomPletein24hours.
MorphinestimulateEdingerWestphalnucleusof3rdnerveis
stimulatedproducingmiosis.
NomeiosisoccurontopicalaPPlicationofmorPhinetotheeye,
sincethisisacentralaction
63.Whichofthefollowingis/aretrueabout
phenytoin-
a)InactivationbyLiverenzyme
b)CausesVitB12deficiency
c)Causesthiaminedeficiency
d)Gumhypertrophyiscommonestside-effect
e)InhibitorofCYP3A4/5
CorrectAnswer-A:D
Ans.(A)InactivationbyLiverenzyme(D)Gumhypertrophyis
commonestside-effect
[Ref:KDT7th/a13-15;Katzung13th/2100-N2;AtoZDrugFacts
2003byDaildS.Tatro;Goodman6Gilman11th/335;Hanison
l9ttt/2554'18th/893,888]
Phenytoin:
MetabolizedinliverbyhydroxylationinvolvingCYP2C9&2C19as
wellasbyglucuronideconjugation.
Megaloblasticanaemia:ltdecreasedfolateabsorption&increaseits
excretion.
ItinterfereswithmetabolicactivationofVitD&withcalcium
absorPtion/metabolism.
Gumhypertrophy:commonest(20%incidence)
PotentinducerofCYP2C8/9,CYP3A4/5&someotherCYPs.
ItcompetitivelyinhibitsCYP2C9/19
64.DrugsactiveagainstMRSA:
a)Vancomycin
b)Ceftriaxone
c)Linezolid
d)Piperacillin-tazobactam
e)Meropenam
CorrectAnswer-A:C
Ans.(A)Vancomycin(C)Linezolid
[RefKDT7th/731,757,6th/700,708,732,7i4;G6G11th/1132;
Kntzung13th/779,781;Harrison19th/961-62.18th/2134]
MRSA:
Vancomycinanddaptomycinarenowrecommendedasthedrugof
choiceforthetreatmentofMRSAinfections.
Imipenema,Dalfopristino/Quinpristin,Mupirocin,Teicoplaninaare
alsoeffectiveagainstMRSA
Ceftarolineisa5thgen.cephalosporinwithbactericidalactivity
againstMRSA(includingstrainswithreducedsusceptibilityto
vancomycinanddaptomycin)-Approvedforuseinnosocomial
pneumoniasandforskinandsofttissueinfections.
Otherdrugsare-Linezolid,daptomycin,Quinupristin/dalfopristin.
65.Trueaboutdaptomycin:
a)Causesdiarrheaasside-effect
b)Itisaglycopeptideantibiotic
c)Causemyopathy
d)Itcanbeusedorally
e)Excretionthroughkidney
CorrectAnswer-C:D
Ans.(C)Causemyopathy(D)Itcanbeusedorally
[RefKatzung13th/783-85;Goodman&Gilman11th/1197-98:
Harrison19th/961]
Daptomycin:
CycliclipopeptidefermentationproductofStreptomyces
roseosPorus.
Newly-approvedantibacterialagent,thefirstlipopeptideagenttobe
releasedontothemarket.
ItsspectrumofactivityislimitedtoGram-positiveorganisms,
includinganumberofhighlyresistantspecies(MRSA,VISA,VRSA,
VRE)
MOA:
Precisemechanismofactionisnotknown,butifappearstobindto
anddepolarizethecellmembrane,causingPotassiumeffluxand
rapidcelldeath.
Features:
Onlyadministeredintravenously.
Clearedrenally.
Approximately80%oftheadministereddoseisrecoveredinurine.
Cancausemyopathy,andcreatinephosphokinaselevelsshouldbe
monitored.
66.Trueaboutdoxorubicin:
a)Antineoplasticdrug
b)Alkylatingagent
c)TopoisomeraseIIIinhibitor
d)Anthracyclineantibiotic
e)Cardiotoxic
CorrectAnswer-A:D:E
Ans.(A)Antineoplasticdrug(D)Anthracyclineantibiotic
(E)Cardiotoxic
[RefKDT7th/867;Katzung13th/934-35]
Doxorubicin:
Anthracyclineantibiotichavingantitumoractivity
Itintercalateb/wDNAstrands&blockDNAaswellasRNA
synthesis.
TheyarealsocapableofcausingbreaksinDNAstrandsby
activatingtopoisomerase-2&generatingquininetypefreeradicals.
Cardiotoxicadverseeffect.
67.TNF-ainhibitorsare:
a)Bevacizumab
b)Ranibizumab
c)Adalimumab
d)Infliximab
e)Etanercept
CorrectAnswer-A:B:D
Ans.(A)Bevacizumab(B)Ranibizumab(D)Infliximab
TNFalpha-inhibitor:Etanercept,infliximab,certolizumah,
golimumab,&Adalimumab.
MOA:
BindsTNF-alpha,aproinflammatorycytokine.
BlockingTNF-alphafrombindingtoTNFreceptorsoninflammatory
cellsurfacesresultsinsuppressionofdownstreaminflammatory
cytokinessuchasIL-1&IL-6andadhesionmoleculesinvolvedin
leukocyteactivationandmigration.
Anincreasedriskoflymphomaiscommontoeachoftheseagents.
68.Whichofthefollowingisacommonside-
effectofCisplatin-
a)Diarrhea
b)Vomiting
c)Pulmonaryfibrosis
d)Alopecia
e)None
CorrectAnswer-B
Ans.is'b'i.e.,Vomiting
Mostcommonside-effectofCisplatinis:Vomiting(highlyemetic
drug).
Themostimportantdosedependenttoxicityisrenalimpairment.
Amifostineislabelledforreductionofcisplatininduced
nephrotoxicity.
Tinnitus,deafness,sensoryneuropathy&hlperuricaemiaareother
problems.
Shocklikestatesometimesoccurduringi.vinfusion.
69.WhichofthefollowingCLASPhuman
experiment:
a)MaincenterfortheexperimentwasGeneva
b)MaincenterfortheexperimentwasTokoyo
c)MaincenterfortheexperimentwasinUnitedkingdom
d)Heparinlowdosegiven
e)Drugusedinexperimentsignificantlyreduceseclampsiain
subjects
CorrectAnswer-C
Ans.C.MaincenterfortheexperimentwasinUnitedkingdom
[Ref;http:/www.researchgate.net;
httP://www.ncbi.nlm,nih.gov/pubmed/7905809]
CLASPhumanexperiment:
Correspondenceto:CLASPCo-ordinatingCentre,Harkness
Building,RadcliffeInfirmary,OxfordOX26HE,UK-http://
www,researchgate.net
CLASP
Theimpactofaspirinonproteinuricpreeclampsiaanditsfetal
sequelaeinCLASPwascertainlysmallerthaninsomeprevious
reviews.
Theresultsofavailabletrialsdonotsupportthewidespreadroutine
prophylacticortherapeuticuseofantiplatelettherapyinpregnancy
amongallwomenjudgedtobeatriskofpre-eclampsiaorIUGR.
Overall,theuseofaspirinwasassociatedwithareductionofonly
12%intheincidenceofproteinuriapre-eclampsia,whichwasnot
significant.
NorwasthereanysignificanteffectontheincidenceofIUGRorof
stillbirthandneonataldeath.
70.Duringseparation,sexualintercourse
betweenhusband&wife:
a)Non-bailableoffence
b)Onlyacrimeifcomplainedbyvictim
c)ItisdefinedunderIPC376C
d)Minimumpunishmentof2year
e)Minimumpunishmentof5year
CorrectAnswer-B:D
Ans:b.Only...,d.Minimum...[RefReddy33rd/412;http:
llindianlawcases.com/Act-Indian.Penal.Code,1860-1835]
Section376B,I.P.C:Whoeverhassexualintercoursewithhisown
wife,whoislivingseparately,whetherunderadecreeofseparation
orotherwise,withoutherconsent,shallbepunishedwith
imprisonmentofeitherdescriptionforatermwhichshallnotbeless
thantwoyearsbutwhichmayextendtosevenyears&shallalsobe
liabletofine.
Section376C,I.P.C:Whoever,beingthesuperintendentor
managerofajail,remandhomeorotherplaceofcustody
establishedbyorunderanylawforthetimebeinginforceorofa
woman'sorchildren'sinstitutiontakesadvantageofhisofficial
positionandinducesorseducesanyfemaleinmateofsuchjail,
remandhome,placeorinstitutiontohavesexualintercoursewith
him,suchsexualintercoursenotamountingtotheoffenceofrape,
shallbepunishedwithimprisonmentofeitherdescriptionforaterm
whichmayextendtofiveyearsandshallalsobeliabletofine.
71.Trueabouteuthanasiaareall,
except:
PGI14
a)PassiveeuthanasiaislegalinIndia
b)ActiveeuthanasiaisallowedintheUK
c)PhysicianassistedsuicideislegalinsomeStatesoftheUS
d)ActiveeuthanasiaislegalinNetherlandsandBelgium
e)None
CorrectAnswer-B
Ans.(B)ActiveeuthanasiaisallowedintheUK
72.Earlyonsetrigormortisis/areseenin:
a)TB
b)Cholera
c)Asphyxia
d)Arseni
e)Aconite
CorrectAnswer-A:B
Ans:a.TB,b.Cholera
[RefReddy33rd/162;Parikh6th/3.171
Theonsetofrigorisearly&durationisshortindeathsfrom
diseasescausinggreatexhaustion&wastinge.g.,cholera,typhoid,
tuberculosis,canceretc&inviolentdeathasbycut-throat,firearms,
electrocution,lightening&instrychninepoisoning
Inorganophosphatepoisoningrigidityappearsearly,COpoisoning
delaysdisappearance
Theonsetisdelayedindeathsfromasphyxia,severehaemorrhage,
apoplexy,pneumonia&nervousdiseasecausingparalysisof
muscle
IndeathduetopoisoningfromHCN&strychnine,itstartsearly&
persistslonger
Arsenicdelaysputrefaction"-Reddy33rd/541
"RigormortislastslongerthanusualinArsenicpoisoning,Aconiteis
extremelyunstable&isdestroyedbyputrefaction
73.Trueaboutorganophosphoruspoisoning:
a)Atropineisbestforearlytreatment&maintenance
b)Pralidoximeisimportantforrestoringneuromuscular
transmission
c)Phenytoinistheprimarydrugusedforseizurecontrol
d)Mydriasispresent
e)Pralidoxime&atropineworkssynergistically
CorrectAnswer-A:B:E
Ans.(A)Atropineisbestforearlytreatment&maintenance
(B)Pralidoximeisimportantforrestoringneuromuscular
transmission(E)Pralidoxime&atropineworkssynergistically
[RefReddy32nd/495-97;G&Gltth/21};KDT7th/111:13th/979-80;
PharmacologybySatoskar24th/297]
OrganophosPhorusPoisoning:
AIIcaseofAnti-ChEpoisoningmustbepromptlygivenatropine2
mgi.Vrepeatedevery10mintilldryness&othersignsof
atropinizationappear.
Continuedtreatmentwithmaintenancedosesmayberequiredfor1-
2weeks
Theuseofoximesinorganophosphatepoisoningissecondaryto
thatofatropine.Moreventheclinicalbenefitofoximesishighly
variable.
Controlofconvulsionswithjudicioususeofdiazepam.
Ocularmanifestationsincludemarkedmiosis'ocularpain'
conjunctivalcongestion,diminishedvision,ciliaryspasm,Andbrow
ache.
Atropineinsufficientdosageeffectivelyantagonizestheactionsat
muscarinicreceptorsites,andtoamoderateextentatperipheral
ganglionicandcentralsites
74.Pinpointpupilnotseenin:
a)Aconite
b)Opium
c)Alcohol
d)Cannabis
e)Organophosphorus
CorrectAnswer-A:C:D
Ans:a.Aconite,c.Alcohol&d.Cannabis
[RefReddy33rd/6191]
Aconite:Thepupilsalternatelycontract&dilate(hippus),butremain
dilatedinlaterstages.Acutealcoholpoisoning:pupildilated&
reacting"
Opiumpoisoning:Thepupilsarecontractedtopinpointsize&do
notreacttolightbutdilateduringtheagonalasphyxiaphasecaused
byrespiratorydepression&ultimateparalysis.
Phenothiazines,Resting(deepsleep),Opiates,Narcotics,Stroke
(pontinehemorrhage),Lomotil(diphenoxylate),Insecticides,
Mushrooms/Muscarinic(inocybe,clitocybe)
75.Whichofthefollowingisnotniacin
positive:
a)Mycobacteriumbovis
b)Mycobacteriumsonei
c)Mycobacteriumchelonae
d)Mycobacteriumtuberculosis
e)Mycobacteriumsimiae
CorrectAnswer-C:D:E
Ans:c.Mycobacterium...,d.Mycobacterium...,e.
Mycobacterium..
[RefAnanthanarayan9th/347-48;MedicalMicrobiologyby
Greenwood16th/201;Harrison19th/1102-05]
Humantuberclebacilliformniacinwhengrownonaneggmedium
Thetestispositivewithhumantype(M.tuberculosis)negativewith
bovinetypeofthebacilli
Itcan,however,bepositiveforM.simiae&afewstrainsof
M.cheloneii
76.Feedoraltransmissionoccurin:
a)HepatitisA
b)HepatitisB
c)HepatitisE
d)Rotavirus
e)Herpessimplex
CorrectAnswer-A:C:D
Ans:a.HepatitisA,c.HepatitisE&d.Rota..[Ref
Ananthanarayan9th/561;Harrison19th/2013]
Herpessimplex:Humansaretheonlynaturalhosts&thesourceof
infectionaresaliva,skinlesionsorrespiratory
secretions.Transmissionoccursbyclosecontact&maybevenereal
ingenitalherpes.
77.Oroyafeveriscausedby:
a)B.bacilliformis
b)B.henselae
c)B.quintana
d)B.elizabethae
e)B.clarridgeiae
CorrectAnswer-A
Ans:a.B.bacilliformis[RefAnanthanarayan9th/412;Medical
MicrobiologybyGreenwood16th/325-26]
Bartonellosis,orCarrion'sdisease,iscausedbyB.bacilliformis
Bartonellosis,orCarrion'sdisease,iscausedbyB.bacilliformis.The
diseaseischaracterizedbytwodistinctphases:
1. anacutefebrilehematicphase,knownasOroyafever;and
2. aneruptivephasemanifestedbycutaneouslesions,knownas
verrugaperuana
78.VectorforO.tsugamiis/are:
a)Chigger
b)L.deliensislarva
c)Xenopsyllacheopis
d)Pediculushumanuscorporis
e)None
CorrectAnswer-A:B
Ans:a.Chigger,b.L.deliensis...(RefAnanthanarayan9th/408;
MedicalMicrobiologybyGreenwood16th/369-72;Harrison
19th/1155,1159]
Scrubtyphusiscausedbyorientiatsutsugamushi(formerlyR.
tsutsugamushiorR.orientalis).Thevectorsaretrombiculidmitesof
genusLeptotrombidium-L.akamushiinJapan&L.deliensisinIndia.
Humansareinfectedwhenarebittenbymitelarvae(chiggers)"
0.tsutsugamushidifferssubstantiallyfromRickettsiaspeciesboth
geneticallyandintermsofcellwallcomposition(i.e.,itlacks
lipopolysaccharide).0.tsutsugamushiismaintainedbytransovarian
transmissionintrombiculidmites.
Illnessvariesfrommildandself-limitingtofatal.Afteranincubation
periodof6-21days,onsetischaracterizedbyfever,headache,
myalgia,cough,andgastrointestinalsymptoms.
Somepatientsrecoverspontaneouslyafterafewdays.Theclassic
casedescriptionincludesanescharwherethechiggerhasfed,
regionallymphadenopathy,andamaculopapularrash--signsthat
areseldomseeninindigenouspatients
79.Weilfelixreactioninscrubtyphusis/are
positivefor:
a)OX-19
b)OX-2
c)BothOX-19&OX-2
d)OX-K
e)OX-19,OX-2&OX-K
CorrectAnswer-D
Ans:d.OX-K[RefAnanthanarayan9th/410;Medical
MicrobiologybyGreenwood16th/373]
Thisreactionisanagglutinationtestinwhichseraaretestedfor
agglutininstothe0antigensofcertainnon-motileProteusstrains
OX-19,OX-2&OX-X
Thebasisoftestisthesharingofanalkali-stablecarbohydrate
antigenbysomerickettsiae&bycertainstrainsofproteus,P.
vulgarisOX19&OX2&P.mirabilisOXK.
disease
OX-19
OX-2
OX-K
Epidemic +++
+
_
typhus
Brill-
Usually(?
Zinsser
ve)orweakly
-
disease
(+ve)
Endemic +++
+/-
-
typhus
Tickborne
spotted
++
++
-
fever
fever
Scrub
-
-
+++
typhus
80.Minimuminfectivedoseofshigellais:
a)1-10
b)10-100
c)103-106
d)Sameasentericfever
e)SameasV.cholera
CorrectAnswer-B
Ans:b.10-100[RefAnanthanarayan9th/287,307,341]
Ithasbeenshownthat106pathogenicvibriosadministeredto
fastingnormalchlorhydricvolunteers,withoutfoodorbuffer,didnot
produceinfection,whilethesamedosealongwithfoodorsodium
bicarbonatecausedclinicalcholerain80-100%ofthem.
Shigellacausebacillarydysentery.Infectionoccursbyingestion.
Theminimuminfectivedoseislow-asfewas10-100bacilliare
capableofinitiatingthedisease,probablybecausetheysurvive
gastricaciditybetterthanotherenterobacteria.
81.Acutehemorrhagicconjunctivitisis/are
causedby:
a)CoxsackievirustypeA24
b)Coronavirus
c)Enterovirus-70
d)Herpessimplex
e)Adenovirus
CorrectAnswer-A:C:E
Ans:a.Coxsackie...,c.Enterovirus-70&e.Adeno..[Ref
Ananthanarayan9th/491,493;Greenwood16th/459]
Acutehemorrhagicconjunctivitisiscausedbyenterovirustype70:
Thesymptomsaresuddenswelling,congestion,watering&painin
theeyes.Subconjunctivalhemorrhageisacharacteristicfeature.
CoxsackievirustypeA24alsoproducesthesamedisease
Coronaviruscausesevereacuterespiratorysyndrome,Adenovirus
11alsocausesAcutehemorrhagicconjunctivitis.
82.Zonesofoperationtheatreincludesall
except:
a)Septiczone
b)cleanzone
c)Protectivezone
d)Sterilezone
e)Disposalzone
CorrectAnswer-A
Ans:a-septiczone...[Refhttp:
www.peerlesshospital.com/services/ot.html]
ProtectiveZone:Areasincludedinthiszoneare:
Reception
Waitingarea
Trolleybay
Changingroom
CleanZone:Areasincludedinthiszoneare:
Pre-oproom
Recoveryroom
Plasterroom
Staffroom
Store
SterileZone:Areasincludedinthiszoneare:
OperatingSuite
ScrubRoom
AnesthesiaInductionRoom
SetupRoom
DisposalZone:Areasincludedinthiszoneare:
DirtyUtility
Disposalcorridor
83.Trueaboutacanthamoebainfection:
a)Causeskeratitis
b)Contactlensincreasesriskofkeratitis
c)Causekeratitisincontactlenswearer
d)Alsocausesencephalitis
e)Immunodeficiencyisariskfact
CorrectAnswer-A:B:D:E
Ans:(A)Causeskeratitis(B)Contactlensincreasesriskof
keratitis(D)Alsocausesencephalitis(E)Immunodeficiencyis
ariskfact
[RefPaniker'sParasitology7th/27-28;Khurana6th/112-13;
Harrison19th/1367-68,245e;Greenwood16th/595;Parson
22nd/208]
Acanthamoebakeratitis:Ithasalsobeenseentooccurinnon-
contactlenswearers&mayberelatedtoswimmingorbathingin
contaminatedwater.
Thisisanopportunisticprotozoanpathogenfoundworldwideinthe
environmentinwater&soil,Infectionusuallyoccurinpatientswith
immunodeficiency,diabetes,malignancies,malnutrition,SLEor
alcoholism,Itpresentschieflyas2chronic
conditions-keratitisencephalitis
Acanthamoebakeratitis:majorityofsuchcaseshavebeen
associatedwiththeuseofcontactlens.
84.H.parainfluenzaerequiresfactor:
a)V
b)VI
c)VII
d)X
e)XII
CorrectAnswer-A
Ans:(A)V[RefAnanthanarayan9th/328]
FactorV&Xareaccessorygrowthfactorswhichispresentinblood-
(Ananthanarayan9th/327)
Growth
species
requirement
Hemolysisonhorseblood
agar
X V CO2
Hinfluenzae
+ + -
-
Haegyptius
+ + -
-
Hducreyi
+ VARIABLE
VARIABLE
H.parainfluenzae - + -
-
H.haemolyticus
+ + -
+
H.
- + -
+
parahaemolyticus
haphrophilus
+ - +
-
Hparaphrophilus - + +
-
85.Meningococcalinfectionispredisposed
bywhichofthefollowingdeficiencyof
complementfactor
a)C1-C3
b)C3-C4
c)C5-C9
d)C1-C4
e)Properdin
CorrectAnswer-C:E
Ans:(C)C5-C9(E)Properdin[Ref:Ananthanarayan9th/229;
Harrison19th/2106-07
Meningococcaldiseaseisfavouredbydeficiencyoftheterminal
complementcomponents(C5-C9
Deficienciesinthealternativepathway(factorsDandproperdin)
areassociatedwiththeoccurrenceofinvasiveNeisseria
infections.
Lastly,deficienciesofanycomplementcomponentinvolvedin
thelyticphase(C5,C6,C7,C8,and,toal*serextent,C9)
predisposeaffectedindividualstosystemicinfectionby
Neisseria.Thisisexplainedbythecriticalroleofcomplementin
thelysisofthethickcellwallpossessedbythisclassof
bacteria.
86.Trueabout8thpandemicofcholera:
a)Causedbyserotype0classical
b)Causedbyserotype0Eltor
c)Causedbyserotype0139
d)ItspreadinIndonesiain1961
e)ItspreadinBangladeshin1992-93
CorrectAnswer-C:E
Ans:(C)Causedbyserotype0139&(E)Itspreadin
Bangladeshin1992-93
Aseventofgreatsignificancewasthesuddenemergenceof
non-O-lV.cholera(formelyNAGvibrio)asthecauseof
epidemiccholera(8thpandemic).
Inoctober1992,anewnon-O-|vibriowasisolatedfroma
choleraoutbreakinMadras(Chennai).Similaroutbrealcssoon
followedindffirentpartsofIndia.ByJanuary1993,
SomeconsiderthecholeracausedbytheserotypeOIi9strainto
betheeighthpandemicthatbeganintheIndiansubcontinent
in1992-1993,withspreadtoAsia.Thediseasehasbeenrare
inNorthAmericasincethemid1800s,butanendemicfocus
existsontheGulfCoastofLouisianaandTexas.
87.Whichisnotspirochetes:
a)Borrelia
b)Leptospira
c)Fusobacterium
d)Lactobacillus
e)Varicella
CorrectAnswer-C:D:E
Ans:c.Fusobacterium.d.Lactobacillus&e.Varicella
[Ref.Ananthanarayan9th/j71;Hanisonl9th/II32.
"Lactobacillusgenusconsistsofanaerobicgrampositivebacilli"
"Veillonellaareanaerobicgramnegativecocci".
SpirochetesareElongated,motile,flexiblebacteriatwisted
spirallyalongthelongaxisaretermedspirochetes(fromspeira,
meaningcoil&chaite,meaninghair)
Spirochetesbelongtotheorderspirochaetales,comprising2
families-spirochaetaceae&leptospiraceae
Spirochaetaceaecontainsgeneraspirochaeta,cristispira,
treponema&borrelia,leptospiraceaecontainingthegenus
leptospira
88.Whichofthefollowingis/aretrue
regardingpopulationgrowthinIndia:
a)During1921-1971:Itbecomemorethandouble
b)In1971,populationwasmorethan500million
c)In1991,populationwasaround1billion
d)Between1971-2011,thedecadalgrowthratewas>20%
e)1921-2011,thedecadalgrowthratewasindoubledigit
CorrectAnswer-A:B:E
Ans:(A)During1921-1971:Itbecomemorethandouble,(B)In
1971,populationwasmorethan500million(E)1921-2011,the
decadalgrowthratewasindoubledigit
[Ref:Park23rd/afl]
Totalpopulation
Decadal
Year
(Million)
growthrate
1901
238.4
?
1911
252.1
0.75
1921
251.3
(-)0.31
1931
279
11
1941
318.7
14.22
1951
361.1
13.31
1961
439.2
21.64
1971
548.2
24.80
1981
683.3
24.66
1991
846.3
23.87
2001
1028.6
21.52
2011
1210.1
2011
1210.1
17.64
89.TrueaboutPasteurizationofmilkisall
except
a)Doesnotkillthermoduricbacteria
b)Doesnotkillspores
c)Cause>95%decreaseinbacterialcount
d)Killstuberclebacillus
e)None
CorrectAnswer-C
Ans.is'c'i.e.,"Causes>95%decreaseinbacterialcount
Pasteurization
Pasteurizationisdonetodestroythepathogensthatmaybepresent
inmilk,whilecausingminimalchangeinthecomposition.flovour
andnutritivevalue.
Pasteurizationkillsnearly90%ofthebacteriainmilk,includingthe
moreheatresistant-Tuberclebacilli-Qfeverorganisms
Itdoesnotkillthethermoduricbacteria.
Itdoesnotkillbacteriaspores.
Thereare3widelvusedmethodsforpasteurization:
1. Holdermethod:Milkkeptat63-66?Cfur30minutesisrapidly
cooledto5?C.
2. HTSTmethod:'Hightemperatureshorttime'method(Flash
method)
Ileatedto72?Cfor15sec.andthenrapidlycooledto4?C
Thisisnowthemostwidelyusedmethod.
method:
Ultra-hightempraturemethod.
Rapidlyheatedintwostagesto125?Cforfewseconds.
Thesecondstageisbeingunderpressure.
Itisthenrapidlycooled.
90.Trueaboutanophelesmosquito?
a)Larvaehavesiphontube
b)Larvaearesurfacefeeder
c)Larvaearebottomfeeder
d)Larvaetieatanangletowatersurface
e)None
CorrectAnswer-B
Ans.is'b'i.e.,Larvaearesurfacefeeder
Tribe
Anophelinianopheles
Culciniculex,aedes,
genus
Mansonia
1. Laidsingly
1. Laidinclustersor
Eggs
2. Eggsareboat-shaped
raft,eachraft
containing100-&
containing100-250
providedwithlateral
eggs(exceptaedes)
float
2. Eggsareoval
shaped¬
providedwithlateral
floats
1. Restparalleltowater 1. Suspendedwithhead
surface
downwardsatan
Larvae
2. Nosiphontube
angletowater
3. Palmatehairspresent
surface.
onabdominalsegments
2. Siphontubepresent
3. Nopalmatehairs
Pupae
Siphontubeisbroad Siphontubeis
&short
long&narrow
Adult
Adult
1. Whenatrest,inclineda
1.t Whenatrest,the
anangletosurface
bodyexhibitsa
2. Wingsspotted
hunchback
3. Palpilonginboth
2. Wingsunspotted
sexes
3. Palpishortin
female
91.Whichofthefollowingis/aresourceof
mortalityrelateddata:
a)Sampleregistrationsystem
b)Deathcertificate
c)Centralbirths&deathsregistrationact
d)Alloftheabove
e)None
CorrectAnswer-D
Ans:d.Alloftheabove[RefPark23rd/840-41]
TheSRSisadual-recordsystem,consistingofcontinuous
enumerationofbirths&deathsbyanenumerator&anindependent
surveyevery6monthsbyaninvestigator-supervisor
Sincetheintroductionofthissystem,morereliableinformationon
birth&deathrates,age-specificfertility&mortalityrates,infant,
under-five&adultmortalityetc.havebecomeavailable.
Theactcameintoforceon1april1970,Theactprovidesfor
compulsoryregistrationofbirths&deathsthroughoutthecountry
Thetimelimitforregisteringtheeventofbirths&thatofdeathsis21
daysuniformlyalloverIndia
92.Mean,Medianandmodeallarezero.The
typeofdistributionis?
a)Standardnormal
b)Negativelyskewed
c)Positivelyskewed
d)Jshaped
e)None
CorrectAnswer-A
Ans.is'a'i.e.,Standardnormal
93.Whichofthefollowingis/areprobability
sampling:
a)Judgesampling
b)Clustersampling
c)Simplerandomsampling
d)Snowballsampling
e)Stratifiedsampling
CorrectAnswer-B:C:E
Ans:(B)Clustersampling(C)Simplerandom
sampling(E)Stratifiedsampling
[RefMcGraw-HillBasic&ClinicalBiostatistics,4thEdition
Chap4;Park23rd/850;BiostatisticsbyB.K.Mahajan7th/83-91;
BiostatisticsbyKVRao2nd/12-15;Park23rd/850]
Thebestwaytoensurethatthesamplewillleadtoreliableandvalid
inferencesistouseprobabilitysamples,inwhichtheprobabilityof
beingincludedinthesampleisknownforeachsubjectinthe
population.Fourcommonlyusedprobabilitysamplingmethodsin
medicinearesimplerandomsampling,systematicsampling,
stratifiedsampling,andclustersampling,allofwhichuserandom
processes
94.Catheterplacedinwhichtypeofcolour
codedbag:
a)Black
b)Blue
c)Yellow
d)Red
e)Transprentwhite
CorrectAnswer-C:E
Ans:(C)Yellow,(E)Transprent:"CategoryNo.7:Solidwaste-
wastesgeneratedfromdisposableitemsotherthanthewaste
sharpssuchastubings,catheters,intravenoussetsetc)
Colour
Typeof
Waste
Treatmentoptionsasper
coding
container
category Schedule1
Cat.1,2,
Yellow
Plasticbag
Incineration/deepburial
3,&6
Disinfected
Cat.
Autoclaving/microwaving/
Red
container/plastic 3,6,&7 Chemicaltreatment
bag
Plasticbag/
Autoclaving/Microwaving/Chemical
Blue/White
Cat.4,
punctureProof
Treatmentand
translucent
Cat.7.
container
Destruction/Shredding
Cat.5,9
Black
Plasticbag
Disposalinsecuredlandfill?
&10
95.WHOconditionedguidelinesfortreatment
ofMDRTB2016,includes4coredrugs
andaddondrugs.Addondrugsare?
a)Bedaquiline
b)Linzolide
c)Delamnaid
d)Capreomycin
e)Moxifloxacin
CorrectAnswer-A:C
Answer-A,BedaquilineC,Delamnaid
GroupA=levofloxacin,moxilloxacin.gatifloxacin
GroupB=amikacin,capreomycin,kanamycin,(streptomycin);
GroupC=ethionamide(orprothionamide),cycloserine(or
terizidone),lineznlid,clofazimine;
GroupD2=bedaquiline,delamanid
96.Whichofthefollowingistrueregarding
frostbite:
a)Occursattemperatureabovefreezingpoint
b)Reperfusioninjuryismoredangerousthanfrostbite
c)Rewarmingshouldbegradual&spontaneous
d)Occursattemperaturebelowfreezingpoint
e)Intakeofhotfluidspromotesgeneralrewarming
CorrectAnswer-B:C:D:E
Ans:b.Reperfusion...,c.Rewarming...,d.Occurs...&e.
Intake...[RefPark23rd/748:Manipalsurgery4th/941
ReperfusioninjuryManipalsurgery4th/94
Thisdangerouseventfollowsrevascularizationoflimbs,resultingin
acutecompartmentsyndromewithcompartmentalpressure
exceedingcapillarypressure(30mmHg)
Mostofinjuryisbelievedtobedueto02derivedfreeradicals
Diagnosisisclinicalassuggestedbyseverepaininthelimb,
oedemaofleg&muscletenderness
Treatedbyurgentmultiplefasciotomy,decompressionfollowedby
debridementofdeadtissue.
Attemperaturebelowfreezing(dry-coldcondition)frostbiteoccurs;
thetissuefreeze&icecrystalsforminbetweenthecells
Affectedpartshouldbewarmedusingwaterat44?Criticism,
Warmingshouldlastabout20minutesatatime,Intakeofhotfluids
promotesgeneralrewarming
97.Whichofthefollowingis/aretrueabout
RevisedNationalTuberculosisControl
Programme(RNTCP)-
a)T.B.ismandatorytonotify
b)SuspiciousTBpatientsarescreenedthrough2sputum
smearexaminations
c)MDR-TBisnotincludedinRNTCP
d)Casefindingisactive
e)CoveredthewholecountrysinceMarch2006
CorrectAnswer-A:B:E
Ans.is'a'i.e.,T.B.ismandatorytonotify;`b'i.e.,SuspiciousTB
patientsarescreenedthrough2sputumsmearexaminations&
'e'i.e.,CoveredthewholecountrysinceMarch2006
[RefPark's24th/ep.427-30;CommunityMedicinebyPiyush
Gupta1"/ep.826-30;Suryakantha4'1*p.921-23;National
HealthProgramsofIndiabyfungalKishore7th/ep.91]
GovernmentofIndiadeclareTBanotifiablediseaseon7thMay
2012withfollowingobjectives:-
TohaveestablishedTBsurveillancesysteminthecountry.
ToextentmechanismofTBtreatmentadherenceandcontact
tracingofpatientstreatedintheprivatesector.
ToensureproperTBdiagnosisandcasemanagementandfurther
acceleratereductionofTBtransmission.
TomitigatetheimpendingdrugresistantTBepidemicinthecountry.
98.AccordingtoWHO,recommended
treatmentforuncomplicatedplasmodium
falciparumis/are:
a)Mefloquine
b)Chloroquine
c)Artemether+lumefantrine
d)Artemesinonly
e)Lumefantrineonly
CorrectAnswer-C
Ans:(C)Artemether+lumefantrine[RefPark23rd/263-65;KDT
7th/820;http://whglibdoc.who.int/
publications/2010/9789241547925_eng.pdf]
Recommendationsunchangedfromthefirsteditionofthe
Guidelines(2006);TreatmentofuncomplicatedP.falciparum
malaria
Artemisinin-basedcombinationtherapies(ACTs)arethe
recommendedtreatmentsforuncomplicatedP.falciparummalaria.
ThefollowingACTsarerecommended:
Artemetherpluslumefantrine,artesunateplusamodiaquine,
artesunateplusmefloquine,andartesunateplussulfadoxine-
pyrimethamine.
ThechoiceofACTinacountryorregionwillbebasedonthelevel
ofresistanceofthepartnermedicineinthecombination.
Additionalrecommendationsinthesecondeditionofthe
Guidelines(2010);TreatmentofuncomplicatedP.falciparum
malaria
Artemisinin-basedcombinationtherapiesshouldbeusedin
preferencetosulfadoxinepyrimethamine(SP)plusamodiaquine
(AQ)forthetreatmentofuncomplicatedP.falciparummalaria.
Strongrecommendation,moderatequalityevidence.
ACTsshouldincludeatleast3daysoftreatmentwithanartemisinin
derivative.
Strongrecommendation,highqualityevidence.
Dihydroartemisininpluspiperaquine(DHA+PPQ)isanoptionforthe
first-linetreatmentofuncomplicatedP.falciparummalaria
worldwide.
99.Whichofthefollowingis/aretrueabout
posteriorepistaxis:
a)Posteriorpackingisdone
b)Oftenduetochronichypertension
c)Persistentcase-ligationofanteriorethmoidalartery
d)Severebleedingincomparisonwithanteriorepistaxis
e)Morecommonlyoccurinelderly
CorrectAnswer-A:B:D:E
Answer-(A)Posteriorpackingisdone(B)Oftenduetochronic
hypertension(D)Severebleedingincomparisonwithanterior
epistaxis(E)Morecommonlyoccurinelderly
Itislesscommon.
Itismostlyseenfromposterosuperiorpartofnasalcavity.
Seenafter40yearsofage
Causedduetohypertensionorarteriosclerosis
Featuresshowbleedingissevere
Treatedbypostnasalpackoftenrequired
100.Whichofthefollowingistrue?
a)Internallaryngealnerve:supplycricothyroidmuscle
b)Internallaryngealnerve-sensorysupplybelowvocalcord
c)Internallaryngealnerve-tensevocalcord
d)Externallaryngealnerve-tensevocalcord
e)Internallaryngealnerve-sensorysupplyabovevocalcord
CorrectAnswer-D:E
Answer-(D)Externallaryngealnerve-tensevocal
cord(E)Internallaryngealnerve-sensorysupplyabovevocal
cord
Allthemusclewhichmovethevocalcords(abductors,adductorsor
tensor)aresuppliedbyRecurrentLaryngealnerve.
Abovevocalcords-InternalLaryngealnerveabranchofSuperior
Laryngealnerve
Belowvocalcords-RecurrentLaryngealnerve
Cricothyroidmuscle-ExternalLaryngealnerve
101.AllaretrueaboutMeniere'sdisease
except:
a)Triadofrecurrentvertigo,fluctuatingsensorineuralhearingloss,
andtinnitusarefound
b)Treatmentconsistsofuseofthiazide
c)Dropattackoccurs
d)Onsetonlyafter>50year
e)None
CorrectAnswer-D
Answer-(D)Onsetonlyafter>50year
Meniere'sdiseaseisadiseaseoftheinnerear,characterizedbythe
clinicaltriadofrecurrentvertigo,fluctuatingsensorineuralhearing
loss,andtinnitus.
Diseaseisseenintheagegroupof35-60years.
Malesareaffectedmorethanfemales.
Thetinnitusisusuallylow-pitchedandroaring&isaggravated
duringacuteattacks.
AuralfullnessisamanifestationalwayspresentinMeniere'sattack.
Patientswithseverehydropsshouldbetreatedwithdiuretics,salt
restriction.
102.Trueaboutpuretoneaudiometry:
a)Thefrequencytestedis2000-9000Hz
b)Doneinsilentroom
c)Airconductionforrightearisrepresentedonaudiogramby
symbol'X'
d)Airconductionforleftearisrepresentedonaudiogramby
symbol'0'
e)All
CorrectAnswer-B
Answer-(B)Doneinsilentroom
Inasoundproofroom,thepatient'sabilitytohearpuretonesinthe
frequencyrangeofabout125to8000Hzismeasured.
Red"O"representsairconductionfortherightearwhileblue"X"
representsairconductionfortheleftear.
103.Trueaboutpresbycusis:
a)DegenerationofouterHaircelloforganofCortiinsensorytype
b)Highfrequencyisaffectedfirstinsensorytype
c)Canbetreatedwithhearingaids
d)Usuallyunilateralhearinglossoccurs
e)None
CorrectAnswer-A:B:C
Answer-(A)DegenerationofouterHaircelloforganofCortiin
sensorytype(B)Highfrequencyisaffectedfirstinsensorytype
(C)Canbetreatedwithhearingaids
Presbycusis,orage-relatedhearingloss,isthecumulativeeffectof
agingonhearing.
Itisaprogressiveandirreversiblebilateralsymmetricalage-related
sensorineuralhearinglossresultingfromdegenerationofthe
cochleaorassociatedstructuresoftheinnerearorauditorynerves.
Patientsofpresbycusiscanbehelpedbyahearingaid.
104.TobyAyer'stestis/areusedfor:
a)CSFrhinorrhoea
b)Lateralsinusthrombosis
c)Sigmoidsinusthrombosis
d)Tocheckpatencyofeustachiantube
e)None
CorrectAnswer-B:C
Answer-(B)Lateralsinusthrombosis(C)Sigmoidsinus
thrombosis
TheTobey?Ayertestisusedforlateralsinusthrombosisby
monitoringcerebrospinalfluidpressureduringalumbarpuncture.
Tobey-Ayertest&Crowe-Becktestareperformedinlateralsinus
thrombosis(Sigmoidsinusthrombosis)
105.Stridoris/arecausedbyallexcept:
a)Vocalcordpalsy
b)Stenosisaftertracheostomy
c)Ludwigangina
d)Retropharyngealabscess
e)None
CorrectAnswer-E
Answer-None
Itisnoisyrespirationproducedbyturbulentairflowthroughthe
narrowedairpassage.
Inspiratorystridor:Oftenproducedinobstructivelesionsof
supraglottisorpharynx
Expiratorystridor:Itisproducedinlesionsofthoracictrachea,
primary&secondarybronchi
Biphasicstridor:Itisseeninlesionsofglottis,subglottis&cervical
trachea
106.Trueaboutorbitalrhabdomyosarcoma-
a)Arisefrompleuripotentmesenchymalcell
b)Originfromskeletalmusclecell
c)UsuallyB/1
d)Femalepredisposition
e)Morecommoninchildren
CorrectAnswer-A:E
Answer-(A)Arisefrompleuripotentmesenchymalcell(E)More
commoninchildren
Itisahighlymalignanttumouroftheorbitarisingfromthe
extraocularmuscles.
Usuallyoccurringbelowtheageof15years.
Thetumourcommonlyinvolvesthesuperionasalquadrant.
Male:femaleratioof5:3
PrimaryorbitalRMSoriginatesfromprimitivepleuripotential
mesenchymalcells.
107.AllaretrueabouttreatmentofAge
relatedmaculardegenerationexcept:
a)Intravitrealanti-VEGFtherapy
b)Laserabalation
c)Photodynamictherapy(PDT)
d)Transpupillarythermotherapy
e)Prognosisaftertreatmentfornon-exudativevarietyisverygood
CorrectAnswer-E
Answer-E.Prognosisaftertreatmentfornon-exudativevariety
isverygood
Age-relatedmaculardegeneration(ARMD),alsocalledsenile
maculardegeneration,isabilateraldiseaseofpersonsofolder
individuals.
Treatment-
Roleofdietarysupplementsandantioxidantsinpreventionor
treatmentofARMD.
Intravitrealanti-VEGFtherapy(Bevacizumab,Ranibizumab,
Pegaptanib)isthetreatmentchoice.
Photodynamictherapy(PDT)isthe2ndtreatmentofchoice.
TransPupillarythermotherapy(TTT)withadiodelaser
Doublefrequency&YAG532nmphotocoagulation
Surgicaltreatmentintheformofsubmacularsurgery
Pharmacologicmodulationwithantiangiogenicagent.
108.Causes(s)ofshallowanteriorchamber
is/are:
a)Anteriorsublaxationoflens
b)PupilblockduetovitreousbulgeafterICCE
c)Anteriordislocationoflensinanteriorchamber
d)Aphakia
e)Myopia
CorrectAnswer-A:B
Answer-(A)Anteriorsublaxationoflens(B)Pupilblockdueto
vitreousbulgeafterICCE
Primarynarrowangleglaucoma
Hypermetropia
Postoperativeshallowanteriorchamber(afterintraocularsurgery
duetowoundleakorciliochoroidaldetachment).
Malignantglaucoma
Anteriorperforations(perforatinginjuriesorperforationofcorneal
ulcer).
Anteriorsubluxationoflens
Intumescent(swollen)lens
109.Trueaboutpigmentaryglaucoma:
a)Morecommoninfemales
b)Morecommoninmyopes
c)Slit-liketransilluminationdefectsinthemidperipheryis
pathognomonicfeature
d)Occurduetocloggingupofthetrabecularmeshwork
e)None
CorrectAnswer-C:D
Answer-(C)Slit-liketransilluminationdefectsinthemid
peripheryispathognomonicfeature(D)Occurduetoclogging
upofthetrabecularmeshwork
Itisatypeofsecondaryopen-angleglaucomawhereincloggingup
ofthetrabecularmeshworkoccursbythepigmentparticles.
Theconditiontypicallyoccursinyoungmyopicmales.
C/F
Depositionofpigmentgranulesiniris,posteriorsurfaceofthe
cornea,trabecularmeshwork,ciliaryzonulesandthecrystalline
lens.
Iristransilluminationshowsradialslit-liketransilluminationdefectsin
themidperiphery(pathognomonicfeature).
110.Uveitisis/areseenasside-effectof
causedby:
a)Latanoprost
b)Moxifloxacin
c)Cidofovir
d)Rifabutin
e)All
CorrectAnswer-B:C:D
Answer-(B)Moxifloxacin(C)Cidofovir(D)Rifabutin
Rostaglandin-Analoguesbimatoprostandtravoprost
Rifabutin
Cidofovir
Moxifloxacin
DrugInducedUveitis
SystemicDrugs
TopicalDrugs
1. Ritabutin
2. Bisphosphonales
1. Metipranobol
3. Sulphonamides
2. Miolics
4. DielhylcarbanrklZine
3. Proslaglandirts
5. Cidolovir
IntracameralDrugs
1. Gicobvir
2. Aniibidics
3. Lfrakhase
Vaccines
111.Non-exertionalclassicheatstrokeis/are
predisposedin:
a)Personwithpreviouschronicillness
b)Elderly
c)Young&healthyperson
d)Adolescent
e)All
CorrectAnswer-A:B
Answer-(A)Personwithpreviouschronicillness(B)Elderly
Heatstrokepresentswithahyperthermiaofgreaterthan40.6?C
(105.1?F)incombinationwithconfusionandalackofsweating.
Therearetwoformsofheatstroke-Classic(epidemic)&exertational
PatientswithCHScommonlyhavechronicdiseasesthatpredispose
toheat-relatedillness.
Ifcoolingisdelayed,severehepaticdysfunction,renalfailure,
disseminatedintravascularcoagulation,andfulminantmultisystem
organfailuremayoccur.
Classicheatstrokeisolderpatient.
112.Featuresofparkinsonismincludeall
except-
a)Intentiontremors
b)Flaccidity
c)Maskface
d)Rigidity
e)Restingtremors
CorrectAnswer-A:B
Answer-A,B,Intentiontremors,Flaccidity
FourcardinalfeaturesofPDthatcanbegroupedundertheacronym
TRAP-
Tremoratrest,Rigidity,Akinesia(orbradykinesia)andPostural
instability.
113.Whichofthefollowingcause(s)motor
neuropathy:
a)GBS
b)Diphtheria
c)Diabetes
d)Fridericataxia
e)All
CorrectAnswer-A:B:D
Answer-(A)GBS(B)Diphtheria(D)Fridericataxia
Parkinson'sdiseaseischaracterizedbyresttremor,rigidity,
bradykinesia,andgaitimpairment,knownasthe"cardinalfeatures"
ofthedisease.
Canincludefreezingofgait,posturalinstability,speechdfficulty,
autonomicdisturbances,sensoryalterations,mooddisorders,sleep
dysfunction,cognitiveimpairment,anddementia.
114.Whichofthefollowingis/arefeatureof
Pre-renalARFincomparisontointrinsic
renalfailure:
a)FractionalexcretionofSodium<1
b)Renalfailureindex>1
c)Urineosmolality>500mosmol/kgH20
d)Urinecreatinine/plasmacreatinine>40
e)PlasmaBUN/creatinineratio<20
CorrectAnswer-A:C:D
Answer-(A)FractionalexcretionofSodium<1(C)Urine
osmolality>500mosmol/kgH20(D)Urinecreatinine/plasma
creatinine>40
ComparisonoflabfindingsinAKI(1)
Test
PrerenalAKI
IntrinsicAKI
Urinespecificgravity
>1.020
1.010
Urinesodium,mEq/L
<20
>40
Fractionalexcretionof
<1%(neonates
>2%(neonates
sodium
<2%)
>2.5%)
Fractionalexcretionofurea <35%
>50%
Urineosmolality,mOsm/kg >500
<350
Ureanitrogen-creatinine
>20
10-50
ratio
115.Drugcausingpulmonaryfibrosisis/are:
a)Amiodarone
b)Cisplatin
c)Gold
d)Bleomycin
e)All
CorrectAnswer-A:C:D
Answer-(A)Amiodarone(C)Gold(D)Bleomycin
Nitrofurantoin
Bleomycin
Busulfan
CyclophosphamideMethysergide
Phenytoin
116.Whichofthefollowingcauses
hyperkalemia:
a)Barttersyndrome
b)RTAI
c)RTAII
d)Tumorlysissyndrome
e)Addison'sdisease
CorrectAnswer-D:E
Answer-(D)Tumorlysissyndrome(E)Addison'sdisease
Inadequateexcretion
A.Advancedrenalinsufficiencv
1. Chronickidneydisease
2. End-stagerenaldisease
3. Acuteoligurickidneyinjury
B.Primaryadrenalinsufficiency
1. Autoimmune:Addison'sdisease,polyglandularendocrinopathy
2. Infectious:HlV,cytomegalovirus,tuberculosis,disseminatedfungal
infection
3. Infiltrative:amyloidosis,malignancy,metastaticcancer
4. Drug-associated:heparin,low-molecular-weightheparin
5. Hereditary:adrenalhypoplasiacongenita,congenitallipoidadrenal
hyperplasia,aldosteronesynthasedeficiency
6. Adrenalhemorrhageorinfarction,includinginantiphospholipid
syndrome
117.TreatmentofHyperkalemiaincludes:
a)Insulin
b)CaHCO3
c)Hemodialysis
d)p2agonist
e)50mlof50%dextrosewithinsulin
CorrectAnswer-A:C:D:E
Answer-(A)Insulin(C)Hemodialysis(D)p2agonist(E)50mlof
50%dextrosewithinsulin
Calciumsupplementation(calciumgluconate)
Insulinintravenousinjectionalongwithdextrosetoprevent
hypoglycemia,willleadtoashiftofpotassiumionsintocells,
secondarytoincreasedactivityofthesodium-potassiumATPase.
Bicarbonatetherapy
Salbutamol
SodiumPolystyrenesulfonate
Non-emergencyhyperkalemiatreatment:
Loopdiuretics-ByrenalK+excretion.
Resins[Sodiumpolystyrenesulfate]-BybindingK+
Hemodialysis-ByextracorporealK+removal
118.Whichofthefollowingisfeature(s)of
diabeticketoacidosis:
a)Decreasedtriglyceridelevel
b)Increasedfattyacidlevel
c)TLipoprotein
d)Decreasedketonebodies
e)HighAniongapacidosis
CorrectAnswer-B:C:E
Ans:(B)Increasedfattyacidlevel(C)TLipoprotein(E)High
Aniongapacidosis[RefHarper30th/231;Lippincott6th/339,
345;Satyanarayan4th/481,682;Harrison19th/2417-18]
DKAischaracterizedbyhyperglycemia,ketosis,andmetabolic
acidosis(increasedaniongap)alongwithanumberofsecondary
metabolicderangements,Leukocytosis,hypertriglyceridemia,and
hyperlipoproteinemiaarecommonlyfoundaswell
Increasedlacticacidproductionalsocontributestotheacidosis.The
increasedfreefattyacidsincreasetriglycerideandVLDLproduction.
VLDLclearanceisalsoreducedbecausetheactivityofinsulin-
sensitivelipoproteinlipaseinmuscleandfatisdecreased.
Hypertriglyceridemiamaybesevereenoughtocausepancreatitis.
Reducedinsulinlevels,incombinationwithelevationsin
catecholaminesandgrowthhormone,increaselipolysisandthe
releaseoffreefattyacids.Normally,thesefreefattyacidsare
convertedtotriglyceridesorvery-low-densitylipoprotein(VLDL)in
theliver.
119.Whichofthefollowingis/arenotfeature
ofanorexianervosa:
a)Strictdieting
b)Hallucination
c)Amenorrhoea
d)Distortionofbodyimage
e)Endocrineabnormalities
CorrectAnswer-B
Answer-B.Hallucination
PSYCHOLOGICALSYMPTOMS:
DistortedBodyImage.
EMOTIONAL:
Moodswings
Increasedcommitmenttowork
BEHAVIORAL-Excessiveexercise,starvation.
PHYSICAL:Extremeweightlossandstuntedgrowth,amenorrhea,
nippledischarge,dehydration,hypothermia,osteoporosis.
120.Whichofthefollowingis/aretrueabout
inflammatoryboweldisease:
a)SmokingdecreasesriskofCrohn'sdisease&increasesriskof
ulcerativecolitis
b)PANCA-ulcerativecolitis
c)Linearulcer-Crohn'sdisease
d)Pseudopolyp-Crohn'sdisease
e)Cobblestoning-ulcerativecolitis
CorrectAnswer-B:C
Answer-(B)PANCA-ulcerativecolitis(C)Linearulcer-Crohn's
disease
ULCERATIVE
CROHN'SDISEASE
COLITIS
Wateryorbloody
Chronicdiarrhea
diarrhea
Rectaldischargeof
Abdominalpain
mucus,perforation
Weightloss,pyrexia,
Proctitis
abdominalmass
Acuteintestinal
Colitis
obstruction
Multipleperianal
Proctosigmoditis
fissures,fistula
&abscess
Toxicrnegacolon,
Fatwrappings
severehemorrhage
{creepingrnesentry)
ULCERATIVE CROHN'SDISEASE
COLITIS
Gross-
Gross?
Onlythe
Inflammatoryinvolvesfullthicknessofbowelwall
mucosa
thicknessofbowelwallinvolvingserosa
involved
Cobblestoneappearance
Superficial
Deepfissuredulcers
ulceration
Lymphadenopathy
Exudation
Fistulapresent
Pseudopolyps Skipareas
Micro-
Cryptabscess
common
Micro?
Inflammatory Noncaseatinggiantcellgranulomapresent
polyps
Pipestem
colon
ULCERATIVE
CROWN'SDISEASE
COLITIS
Age-2ndto4th&7thto
Age-2ndto4thdecade
9Thdecade
Gender-bothare
Femalesaremore
equallyaffected
affected
Etiology-
Etiology?
Morecommoninnon/
Morecommonin
exsmokers
smokers
Anatomical
Anatomical
distribution?
distribution-
Commonestinileum
Alwaysinvolvesrectum 160%)
&descending
Anallesionsare
colon/sigmoid
common
121.Whichofthefollowingcancause
pulmonaryembolism-
a)Pregnancy
b)OCPuses
c)Mitralregurgitation
d)Leftventricularfailure
e)Excessiveunaccustomedexercise
CorrectAnswer-A:B:D
Answer-(A)Pregnancy(B)OCPuses(D)Leftventricularfailure
PatientFactors
Age
Obesity
Varicoseveins/superficialthrombophlibits
Immobility
Pregnancy
PuerPerium
High-doseoestrogentherapyorOCPuse
Diseaseorsurgicalprocedure-
Traumaorsurgery
Malignancy
Heartfailure
Paralysisoflowerlimb
Infection
122.Whichofthefollowingcausesacute
pancreatitis:
a)Hypertriglyceridemia
b)Hypercalcemia
c)Steroid
d)Stavudine
e)Gallstone
CorrectAnswer-A:B:C:E
Answer-(A)Hypertriglyceridemia(B)Hypercalcemia(C)Steroid
(E)Gallstone
Gallstones(mostcommon)
Alcoholabuseisthesecondcauseofacutepancreatitis.
Occultdiseaseofthebiliarytreeorpancreaticducts,especially
microlithiasis,sludge.
Hypertriglyceridemia
Pancreasdivisum
Pancreaticcancer
SphincterofOddidysfunction
Cysticfibrosis
Drugs-Steroids,Azathioprine,Valproate,Estrogens,L-
Asparaginase,6-mercaptopurine,Sulfonamides,Tetracycline,Anti-
retroviralagents,Thiazidediuretics
Familialorgenetic
Hyperparathyroidism
Hypercalemia
PostERCP
Mostcommoncausesinchildren:bluntabdominalinjuries,
Mostcommoncausesinchildren:bluntabdominalinjuries,
multisystemdisease(hemolyticuremicsyndromeandinflammatory
boweldisease)biliarystonesormicrolithiasis(sludging),anddrug
toxicity
123.Paradoxical/reversesplittingofsecond
heartsoundis/areseenin:
a)AS
b)PS
c)Completeleftbundlebranchblock
d)Pulmonaryarterialhypertension
e)All
CorrectAnswer-A:C
Answer-(A)AS(C)Completeleftbundlebranchblock
LeftBundleBranchBlock(LBBB)istypicallyassociatedwith
ReversedorParadoxicalSplittingofS2
ParadoxicalsplittingofsecondheartsoundiscausedbydelayedA2
orearlyP2.LeftBundleBranchBlock(LBBB)isassociatedwith
delayedAorticclosure(delayedA2)duetodelayedelectrical
activationoftheleftventricle.
ASDandRBBBareassociatedwithawidephysiological(non-
paradoxical)splitofsecondheartsoundduetodelayedpulmonic
closure(DelayedP2)whileVSDisassociatedwithawide
physiological(non-paradoxical)splitsecondheartsoundfromearly
aorticclosure(EarlyA2).
124.Herpesencephalitisfindingsare:
a)Mostcommonlyinvolvesfrontal&temporallobe
b)Commonlyinvolvesbasalganglia
c)HyperintenselesionintemporallobeonT1-weightedimages
d)HyperintenselesionintemporallobeonT2-weightedimages
e)None
CorrectAnswer-A:D
Answer-(A)Mostcommonlyinvolvesfrontal&temporal
lobe(D)HyperintenselesionintemporallobeonT2-weighted
images
HSVencephalitis-
Examplesoffocalfindingsinclude:
1. areasofincreasedsignalintensityinthefrontotemporal
2. focalareasoflowabsorption,masseffect,andcontrast
enhancementonCT
3. periodicfocaltemporallobespikesonabackgroundofsloworlow-
amplitude("flattened")activityonEEG
80%willhaveabnormalitlesinthetempotallobe.
HyperintenseonT2-images.
125.WhichofthefollowingincludedinATPIII
criteriaforMetabolicsyndrome:
a)B.P130/85
b)Triglyceride150mg/dl
c)Fastingglucose100
d)Waistcircumferenceinfemale>80cm
e)None
CorrectAnswer-A:B:C
Answer-A,B.P130/85B,Triglyceride150mg/dlC,Fasting
glucose100
Criteria
Harmonized
NCEP(2001) IDF(2005)
WHO(1998)
(2009)
WC:Z90
DM.IFG.IGT,
Prerequisite
None
cm(men) None
IR
&
280cm
(women)t
No.ofother
and22of:
23of.
and22of: 23of:
criteria
Already
BMI:230&for WC:3102
WC:Z90cm
Obesity
considered
WHR:>0.9
cm(men)&
(men)e.
as
(men)&
388cm
perquisite 3$0cm
>0.85
(women)
criterion
(women)t
(women)
3130/135or Z:130/85
3130/85or
BP(mmHg)
Z140/90
Rx
orRx
Rx
BP(mmHg)
Z140/90
Rx
orRx
Rx
<35(men)&
<40(men)
HDL-C(mg/di)
<39(women) <40(men)&
<40(men)&
&
or
<50
<50
<50(women)
(women)
(women)or
orRx
orRx
Rx
TG(mg/d1)
Z150
150orRx
2l50orRx kis()orRx
Fastingglucose
2100or
2110,la
2100orRx
2100orfix
(mg/d1)
No
Urinary
albumin220
ug/minor
Microalbuminuria albumin-
creatinine
ratio>30
mg/g
tRecommendedwaistcircumferencethresholdsfortheabdominal
obesityinpeopleofAsianorigin.
126.Whichofthefollowingis/aretrueabout
pneumothorax:
a)Decreasedchestmovement
b)Dullonpercussion
c)Decreasebreathingsound
d)Hyper-resonantnoteonpercussion
e)End-expiratorycrepitation
CorrectAnswer-A:C:D
Answer-A,DecreasedchestmovementC,Decreasebreathing
soundD,Hyper-resonantnoteonpercussion
Inpneumothorax,intra-pleuralpressureequilibrateswiththe
ambientbarometricpressureandthelung'snaturalrecoiltendency
causesittocollapse.
Pneumothoraxtendstocausecollapseofthelungsandadecreased
compliance.
ClosedPneumothorax-
Reducedchestmovement
Hyper-resonantnoteonpercussion
Absentairentry
Mediastinalshifttooppositeside
Cointest
OpenPneumothorax-
Crackpotsoundonpercussion
Amphoricbreathsounds
Displacementofmediastinumwithrespiration
Increasingbreathlessness,cyanosis&tachycardia
127.Aperson'sX-raychestshowing
homogenousopacityonrightsidewith
shiftingofmediastinumonopposite
side.Mostprobablediagnosisis/are:
a)Collapse
b)Pleuraleffusion
c)Pneumothorax
d)Consolidation
e)Post-pnemectomy
CorrectAnswer-B
Answer-(B)Pleuraleffusion
Pneumonectomychest(Earlysip:within24hr):Partialfillingof
thorax,ipsilateralmediastinalshift&diaphragmaticelevation.
Homogenousopacity
Shiftofmediastinumtotheoppositeside
Concaveupperborder(Ellis'scurve)
128.Paraneoplasticsyndromesoflung
carcinomainclude:
a)Hypercalcemia
b)SIADH
c)Hypocalcemia
d)Hypoglycemia
e)Hypernatremia
CorrectAnswer-A:B:C
Answer-A,HypercalcemiaB,SIADHC,Hypocalcemia
Hypercalcemiaofmalignancy
SIADH
Cushing'ssyndrome
Hypoglycemia
Malefeminization
Diarrhoeaorintestinalhypermotility
Osteomalacia
Acromegaly
Hyperthyroidism
Hypertension
129.Whichofthefollowinginvestigationis
usefulforZollinger-EllisonSyndrome
(gastrinoma):
a)USG
b)MRI
c)CTscan
d)OctreoScan
e)Endoscopicultrasound
CorrectAnswer-A:B:C:D:E
Answer-A,USGB,MRIC,CTscanD,OctreoScanE,Endoscopic
ultrasound
Investigations-
Serumgastrinelevated
PatientshouldfirstundergoanabdominalCTscan,MRI,or
OctreoScantoexcludemetastaticdisease.
Endoscopicultrasound(EUS)permitsimagingofthepancreaswith
ahighdegreeofresolution
Radiolabelledsomatostatinreceptorscintigraphy.
Gastrinomapatientshavefastinggastrinlevel>150-200pg/ml
BAO>15meq/hinthepresenceofhypergastrinemiais
pathognomonicofZES.
BAO/MAOratio>0.6beinghighlysuggestiveofZES.
Themostsensitiveandspecificgastrinprovocativetestforthe
diagnosisofgastrinomaisthesecretinstudy.(Anincreaseingastrin
of120pgwithin15minofsecretininjectionhasasensitivityand
specificityof>90%forZES.)
130.Communityacquiredpneumoniais/are
causedby:
a)Staph.aureus
b)Mycoplasmapneumoniae
c)Streptococcuspneumoniae
d)Influenzavirus
e)Neisseriagonorrhoeae
CorrectAnswer-A:B:C:D
Answer-A,Staph.aureusB,Mycoplasma
pneumoniaeC,StreptococcuspneumoniaeD,Influenzavirus
Streptococcuspneumoniae
Haemophilusinfluenzae
Moraxellacatarrhalis
Staphylococcusaureus
Legionellapneumophila
Enterobacteriaceae(Klebsiellapneumoniae)andPseudomonas
sPP.
Mycoplasmapneumoniae
ChlamydiasPP.
InfluenzaA
131.Treatmentoffacio-cervical
actinomycosisincludes:
a)Surgeryistreatmentofchoice
b)DrugofchoiceispenicillinG
c)Metronidazole
d)Amoxicillin
e)All
CorrectAnswer-B:D
Answer-B,DrugofchoiceispenicillinGD,Amoxicillin
1stchoice-Penicillinoramoxicillinforsixtotwelvemonths
2ndchoice-Doxicycline
Surgeryifthediseaseisextensive
132.NeoplasticlesioninAIDSincludes:
a)Analcarcinoma
b)Non-Hodgkin'slymphoma
c)Esophagealcarcinoma
d)Burkit'slymphoma
e)Cervicalcarcinoma
CorrectAnswer-A:B
Answer-A,AnalcarcinomaB,Non-Hodgkin'slymphoma
Kaposisarcoma(Multifocaltumorofvascularorigin)(HHV-8)
NonHodgkinlymphoma
Primarylymphomaofbrain
Invasivecancerofuterinecervix
Immunoblasticlymphoma(mostcommonlymphoma)
PrimaryEffusionLymphoma(PEL)
Plasmacyticlymphomaoftheoralcavity
Burkitt'slymphoma(EBvirus)
133.Whichofthefollowingstatement(s)
is/areregardingAmericanHeart
Association(AHA)Guideline-2015for
cardiopulmonaryresuscitation(CPR)&
Emergencycardiovascularcare(ECC):
a)Chestcompression:ventilationCompressionventilationratio
withoutadvancedairway?rate30:2irrespectiveofrescuer&
ageofpatient
b)Compressionrate-atleast100/min
c)FailuretoachieveanETCO2of10mmHgbywaveform
capnographyafter20minutesofresuscitationhasbeen
associatedwithanextremelypoorchanceofreturnof
spontaneouscirculation(ROSC)
d)Limitinterruptionsinchestcompressionstolessthan10
seconds
e)None
CorrectAnswer-C:D
Answer-C,FailuretoachieveanETCO2of10mmHgby
waveformcapnographyafter20minutesofresuscitationhas
beenassociatedwithanextremelypoorchanceofreturnof
spontaneouscirculation(ROSC)D,Limitinterruptionsinchest
compressionstolessthan10seconds
Compressionrateismodifiedtoarangeofl00to120/min.
Compressionventilationratiowithoutadvancedairway-1or2
rescuers30:2
FailuretoachieveanETCO2ofI0mmHgbywaveform
capnographyafter20minutesofresuscitationhasbeenassociated
withanextremelypoorchanceofROSCandsurvival.
Theclarifiedrecommendatio-nforcfrestcompressiondepthfor
adultsisatleast2inches(Scm)butnotgreaterthan2.4inches(6
cm).
134.TrueaboutAmoebicliverabscess:
a)Morecommoninrightlobe
b)Patientsusuallypresentwithfever,chills&upperquadrant
abdominalpain
c)Usuallymultiple
d)Abscesscavitycontainsanchovysauce-likefluid
e)Mostcommonlypresentswithjaundice
CorrectAnswer-A:B:D
Answer-A,MorecommoninrightlobeB,Patientsusually
presentwithfever,chills&upperquadrantabdominal
painD,Abscesscavitycontainsanchovysauce-likefluid
Amebicliverabscessisthemostfrequentextraintestinal
manifestationofEntamoebahistolyticainfection.
Therightlobe(posteriorsuperiorquadrant)oftheliverismore
commonlyaffectedthantheleftlobe.
Theabscesscontainsachocolate-coloredfluidthatresembles
anchovypasteandconsistspredominantlyofnecrotichepatocytes.
Anorexia,fevernightsweats,malaise,coughandweightloss.
135.Trueaboutulcer:
a)Arterialulcer-painless
b)Venousulcer-penetratesdeepfascia
c)Arterialulcer-punchedout
d)Neuropathiculcer-mayinvolvebone
e)Trophiculcer-Puchedoutedge
CorrectAnswer-C:D:E
Answer-C,Arterialulcer-punchedoutD,Neuropathiculcer-may
involveboneE,Trophiculcer-Puchedoutedge
Puchedoutedge:Itismostlyseeningummatousulcerorinadeep
trophiculcer.
Arterialulcer-Thaeulcertendstobepunchedout
Gummatousulcers,whichoccursintertiarysyphilis,havepunched-
outindolentedge.
Neurogeniculcer-itburrowsdeepinside,mayinvolvebone&also
calledasperforatingulcer.
Venousulcer-Depth-superficial,doesnotpenetratedeepfascia.
136.TrueaboutBuergerdisease
a)Affectslargerarteryonly
b)Youngermalesaremorecommonlyaffected
c)Phlebitismigransischaracteristic
d)Coldintolerance
e)Veinsmayinvolved
CorrectAnswer-B:C:E
Answer-B,Youngermalesaremorecommonly
affectedC,PhlebitismigransischaracteristicE,Veinsmay
involved
AlsocalledasThromboangiitisObliterans
Itisainflammatoryocclusivevasculardisorderinvolvingsmalland
mediumsizedarteriesandveinsinupperandlowerextremities.
Itinvolvestibialandradialarteriesandsometimessecondarily
extendingtoveinsandnervesofextremities.
Theclinicalfeaturesofthromboangiitisobliteransincludesatriadof
claudicationoftheaffectedextremity,Raynaud'sphenomenon,and
migratorysuperficialveinthrombophlebitis.
137.Allaretrueaboutsquamouscell
carcinomaofskinexcept:
a)Itiscalledmarjolinulcerwhendevelopsinscar
b)Radiotherapymaybeusedintreatment
c)Hematogenousspreadiscommon&occurearly
d)Maydevelopinchroniculcer
e)Lymphaticspreadischiefwayofspreading
CorrectAnswer-C
Answer-(C)Hematogenousspreadiscommon&occurearly
SCCisamalignanttumourofkeratinisingcellsoftheepidermisor
itsappendages.
Alsoarisesfromthestratumbasaleoftheepidermis.
SCCisthesecondmostcommonformofskincancer.
Usuallyaffectstheelderly.
SCCisalsoassociatedwithchronicinflammation.
WhenaSCCappearsinascaritisknownasaMarjolin'ulcer.
AssociatedwithUVlightexposure,chronicinflammationandviral
infection.
"SCCistreatedbywideexcisionorradiotherepy.
Lymphaticspreadisthechiefmethodofspreadeventhoughit
occursrelativelylate.
138.Indicationofcircumcisionincludes:
a)Hypospadias
b)Epispadias
c)Phimosis
d)Balanitis
e)Balanoposthitis
CorrectAnswer-C:D:E
Answer-C,PhimosisD,BalanitisE,Balanoposthitis
Indication-religious&phimosis
Medicalindicationsforcircumcisioninboysinclude-
1. recurrentattacksofbalanoposthitis
2. recurrenturinarytractinfections
3. Inadults,inabilitytoretractforintercourse,abnormallytight
frenulum,balanitis
139.Inguinalhernialsurgerymaybe
complicatedby:
a)Testicularatrophy
b)Urinaryretention
c)Impotence
d)Constipation
e)Pain
CorrectAnswer-A:B:E
Answer-A,TesticularatrophyB,UrinaryretentionE,Pain
Complicationduringsurgery
Injurytoiliacvessel-themostseriousbutrare
Injurytourinarybladder
Earlypostoperctiveperiod
Pain-Painiscommonduetoincisionintheskin&somedegreeof
retractionofstructuressuchasinguinalligamentdownwards6
conjointtendonupwards
Bleeding
Urinaryretentioniscommon,moresoinmales
Abdominaldistension
Intermediate-between3&7ila*
Seroma
Woundinfection
Late
Inguinodynia
Testicularatrophy
140.Trueaboutphysiologicalhernia
a)HerniationofForegut
b)HerniationofForegut+midgut
c)HerniationofMidgut
d)Goesbackaround4weekafterherniation
e)Goesbackaround10weekoffetusage
CorrectAnswer-C:D:E
Answer-C,HerniationofMidgutD,Goesbackaround4week
afterherniationE,Goesbackaround10weekoffetusage
Itisanaturalphenomenonthatoccursinearlypregnancy.
Itusuallyoccursfromaround6-8weeksupuntil13weekin-utero,
afterwhichthebowelretunstotheabdominalcavity.
Atapproximately10-11weekstheabdomenenlargesandthe
intestinesreturntotheabdominalcavity.
At-8weeksgestationalageandisduetoanumberoffactors
includingRapidgrowthofthecranialendofthemidgut(whichwill
formthesmallintestine).
141.Burninvolvingonelowerlimbsinadult
correspondencetoarea:
a)4.5%
b)9%
c)13.5%
d)18%
e)27%
CorrectAnswer-D
Answer-(D)18%
142.Trueaboutthyroidtumor:
a)Follicular-lymphaticmetastasismorecommonthanpapillary
b)Papillary-bloodmetastasismorecommonthanfollicular
c)Hurthle-lymphaticspreadiscommon
d)Hurthle-lessaggressivethanfollicularcarcinoma
e)Follicular-invasionofcapsule&vascularspacesincapsular
region
CorrectAnswer-D:E
Answer-D,Hurthle-lessaggressivethanfollicular
carcinomaE,Follicular-invasionofcapsule&vascularspaces
incapsularregion
Hurthlecellcarcinomaisasubtypeoffollicularcarcinoma.
Thetumorcontainsanabundanceofoxyphiliccells,oroncocytes.
Itappearsinanolderagegroup.
Higherchanceofspreadtolymphnodecomparedtofollicular
carcinoma.
Treatmentissurgical.
FollicularCarcinoma-
Microscopically,thereisinvasionofthecapsuleandofthevascular
spacesinthecapsularregion.
Bloodbornemetastasesaremorecommon.
143.Commontumour(s)foundinanterior
mediastinum:
a)Teratoma
b)Cervicalthymoma
c)Lymphoma
d)Schwannoma
e)Thyroidcarcinoma
CorrectAnswer-A:B:C
Answer-A,TeratomaB,CervicalthymomaC,Lymphoma
Thymoma
Teratoma
Parathyroidadenoma
Bronchogeniccyst
Aneurysms
Lymphoma
Lipoma
Spinallesions
Goitre
144.TrueaboutCongenitalhypertrophic
pyloricstenosis:
a)Shorteningofpyloriccanalonbariumcontrastimaging
b)Elongationofpyloriccanalonbariumcontrastimaging
c)Narrowingofpyloriccanalonbariumcontrastimaging
d)ThickenedpyloricmuscleonUSG
e)ChildshouldbegivennormalsalinewithKC1
CorrectAnswer-B:C:D:E
Answer-(B)Elongationofpyloriccanalonbariumcontrast
imaging(C)Narrowingofpyloriccanalonbariumcontrast
imaging(D)ThickenedpyloricmuscleonUSG(E)Childshould
begivennormalsalinewithKC1
Imagingconfirmationissoughtbymostcliniciantodifferentiatefrom
gastroesophagealreflex
Precaution:Emptystomachvianasogastrictubebeforestudy&
Removecontrastatend
Elongation&narrowingofpyloriccanal
Stringsign=passingofsmallbariumstreakthroughelongatedpyloric
channel(mostspecificsign)
Double/tripletracksign:crowdingofmucosalfoldsinpyloricchannel
145.Bilateralparotidswellingis/areseenin
allexcept:
a)Mump
b)Epstein-Barrvirus
c)Sarcoidosis
d)Brucella
e)Sjogrensyndrome
CorrectAnswer-D
Answer-(D)Brucella
Viralinfections
Mumps
Influenza
Epstein-Barrvirus
CoxsackievirusA
Cytomegalovirus
HIVHCV
Sarcoidosis
Sjogren'ssyndrome
Metabolicdisorders
Diabetesmellitus
Chronicpancreatitis
Hepaticcirrhosis
invalidquestionid
147.A65yearoldmalepresentedwithfemur
neckfracture.Hewasmanagedwith
closedreduction+cancellousscrew.6
monthlaterX-raywasdoneinlateral
view.X-rayshowsnon-union&leg
shorting.Now,appropriatemanagement
optionsis/are:
a)Unipolarhemiarthroplasty
b)Bipolarhemiarthroplasty
c)Subtrochantericosteotomy
d)Osteosynthesis
e)Totalhiparthroplasty
CorrectAnswer-A:B:E
Ans.a.Unipolarhemiarthroplasty;b.Bipolarhemiarthroplasty;
e.Totalhiparthroplasty
Ingeneral,operationsforununitedfracturesofthefemoral
neckcanbegroupedintoffvegeneralclasses:
Osteosynthesis,inwhichafractureisrefixedwithnewinternal
fixationdevices;
Subtrochantericosteotomy
Prostheticreplacement(hemiarthroplasty)
Totalhiparthroplasty
Arthrodesis.
Somegeneralguidelinesareasfollows:
Inadults<60yearsold,nonunionsinwhichthefemoralheadis
viablecanbetreatedbyangulationosteotomy.Thisprovidesaline
ofweightbearingmoredirectlybeneaththefemoralhead.
Inchildrenandinadults<21yearsold,nonunionsinwhichthe
femoralheadisnotviablecanbetreatedwithanarthrodesis.In
exceptionalcircumstances'ayoungadultmaybetreatedwitha
prosthesis.
Inadults2lto60yearsold,nonunionsinwhichthefemoralheadis
notviablecanbetreatedwithaprosthesis,atotalhiparthroplasty,
oranarthrodesis,dependingonthecircumstancesinthegiven
Patientandontheexperienceandpreferenceofthesurgeon.Rarely
isanarthrodesisindicatedinpatientsolderthan50yearsofageor
inpatientswithasedentaryoccupation.
lnpatients>60years,non-union,regardlessoftheviabilityofthe
femoralhead,usuallyaretreatedwithahemiarthroplastyoratotal
hiparthroplasty'
148.Carpaltunnelsyndromeisassociated
withallexcept:
a)Dupuytren'scontracture
b)Myxoedema
c)Idiopathic
d)Rheumatoidarthritis
e)Acromegaly
CorrectAnswer-A
Ans.a.Dupuytren'scontracture
Associatedconditionsthatcanleadstocarpaltunnelsyndrome
are:
1.Idiopathic(mostcommon)
2.Pregnancy
3.Endocrinedisorders
Hypothyroidism
Diabetesmellitus
Myxedema
Acromegaly
Hyperparathyroidism
4.Depositiondisorders
Rheumatoiddisorder
Gout
Rheumaticdisorder
Amyloidosis
Sarcoidosis
Leukemia
Chronicrenalfailure
149.Whichofthefollowingis/arenot
feature(s)ofrheumatoidarthritis
a)Pannusformationinjoint
b)Osteosclerosisosteoclasticactivityinunderlyingbone
c)Erosionofcartilage
d)Osteophyte
e)Plasmacellinfiltrationofsynovialstroma
CorrectAnswer-D
Ans.d.Osteophyte
Thecharacteristichistologicfeaturesinclude:
Infiltrationofsynovialstromabydenseperivascularinflammatory
cells,consistingofBcellsandCD4+helperT,plasmacellsand
macrophages;
Increasedvascularityowingtovasodilationandangiogenesis,with
superficialhemosiderindeposits;
Aggregationoforganizingfibrincoveringportionsofthesynovium
andfloatinginthejointspaceasricebodies;
Accumulationofneutrophilsinthesynovialfluidandalongthe
surfaceofsynoviumbutusuallynotdeepinthesynovialstroma;
Osteoclasticactivityinunderlyingbone,allowingthesynoviumto
penetrateintotheboneformingjuxta-articularerosions,subchondral
cysts,andosteoporosis;
Pannusformation-Pannusisamassofsynoviumandsynovial
stromaconsistingofinflammatorycellsgranulationtissue,and
fibroblasts,whichgrowsoverthearticularcartilageandcausesits
erosion.
150.TrueaboutfractureneckTalus:
a)Avascularnecrosisofbodyiscommoncomplication
b)LateralviewX-rayisimportantfordiagnosis
c)Displacedfracturerequirebelowkneeplasteronly
d)Displacedfracturerequireopenreduction&internalfixation
e)All
CorrectAnswer-A:B:D
Ans.a.Avascularnecrosisofbodyiscommoncomplication;b.
LateralviewX-rayisimportantfordiagnosis;d.Displaced
fracturerequireopenreduction&internalfixation
FractureTalus(Neck)
Talusisthemajorweightbearingstructure(thesuperiorarticular
surfacecarriesagreaterloadperunitareathananyotherbonein
body),andithasavulnerablebloodsupplyandisacommonsite
forposttraumaticischemicnecrosis.
Thebodyoftalusissuppliedmainlybyvesselswhichenterthetalar
neckfromthetarsalcanal.Infracturesofthetalarneckthese
vesselsaredivided;ifthefractureisdisplacedtheextraoseous
plexustoomaybedamagedandbodyoftalusbecomesischemic.
Fractureofthetalarneckisproducedbyviolenthyperextensionof
ankle.Bodyoftalusfractureisusuallyacompressioninjurydue
tofallfromheight.
Complications
Avascularnecrosisofbodyismostcontinuumcomplication.The
incidencevarieswiththeseverityofdisplacement:intypeI<10%,
intypeII-40%,intypeIII>90%.
Malunionpredisposetoosteoarthritis.
SecondaryOsteoarthritisofankleand/orsubtalarjointoccurs
someyearsafterinjuryinover50%ofpatients.Thereareseveral
causes:articulardamaged/tintialtrauma,malunion,distortionof
articularsurfaceandAVN.
HawkinsClassification
TypeI Undisplaced
TypeII Displacedassociatedwithdislocationofsubtalarjoint
Displacedassociatedwithdislocationatankleaswellas-
TypeIII atsubtalarjoint
TypeIV Type3+Talonavicular-subluxationordislocation
Treatment
BelowkneecastwithfootinplantarflexionX4weeksFurther
plasterchangewillallowthefoottobebroughtupslowlyto
plantigradeClose/openreduction&internalfixation
151.Trueaboutacuteosteomyelitis?
a)CannotbedetectedonX-raybefore2weeks
b)Bonescandetectafter2weeks
c)Severepain
d)Secondaryosteomyelitisassociatedwithcompoundfractureis
morecommonthanprimaryvariety
e)Limitationofmovements
CorrectAnswer-C:E
Ans.is'c'i.e.,Severepain&`e'i.e.,Limitationofmovements
ACUTEOSTEOMYELITIS:
1. ItPrimary(hematogenous):-Organismsreachthebonethrough
bloodstream.
2. Secondary:-Organismgainentrydirectlythroughwoundsuchasin
compoundfracturesorsurgicaloperation.
Hematogenousosteomyelitisisthecommonestformofosteomyelitis
andmostcommonsourceofboneandjointinfectionis
hematogenous.
Clinicalfeatures:
Metaphysisoflongboneistheearliestandmostcommonsite
involved.
Mostcommoninchildren.
Thebonesmostcommonly:
Proximaltibial
Distalfemur
Proximalhumerus.
Features:
Severepain,fever,malaise,chills&rigors,sweating,andeven
shock.
Localtenderness(fingertiptenderness),raisedlocaltemperature,
Localerythemaandlimitationofmovements(typicallythelimbis
heldstill).
Diagnosis:
X-rays
Earliestsign:periostealreaction(periostealnewboneformation)at
themetaphysis,whichtakesabout7-10days.
Bonescan
Increaseduptakebyboneinmetaphysiswithin24hoursofonsetof
symptoms(earliestsign.
152.Trueaboutosteoclastoma
a)Mostlymalignant
b)Mostcommonsite-mandible&vertebrae
c)Recurrenceiscommonafterexcision
d)Locatedatepiphysis
e)All
CorrectAnswer-C:D
Ans.c.Recurrenceiscommonafterexcision;d.Locatedat
epiphysis
Giantcelltumor(Osteoclastoma)
GCTisanosteolytictumorarisingfromtheepiphysisandis
commonbetweentheageof20-40years.
ThoughGCTisabenigntumor,itislocallyveryaggressive.
Femalesareaffectedmorethanmales.
Pathologicalfeatures
Thecommonestsitesarelowerendoffemurandupperendoftibia.
Othercommonsitesarelowerendradiusandupperendof
humerus.Itmayalsooccurinthespineandsacrum.
Thetumorisencompassedbyafibrouscapsuleatperiphery.
Thepresenceoftumorgiantcellsisthehallmarkofthistumor.
Clinicalfeatures
Painatthesiteofthetumour.
Graduallyincreasinglocalswelling
Pathologicalfracturesmayoccur.
"Eggshell-crackling"sensationonpalpation.
Radiologicalfeatures
GCTisoneofthecommoncauseofasolitarylyticlesionofthe
bone.oTheradiologicalfeaturesare:-
1. Asolitarymaybeloculated,lyticlesion.
2. Eccentriclocation,oftensubchondral.
3. Expansionoftheoverlyingcortex(expansilelesion).
4. 'Soap-bubble'appearance-Thetumorishomogenouslylyticwith
trabeculaeoftheremnantsofbonetraversingit,givingrisetoa
loculatedappearance.
5. Nocalcificationwithinthetumor.
6. Noneorminimalreactivesclerosisaroundthetumor.
7. Cortexmaybethinnedout,orperforatedatplaces.
8. Tumourusuallydoesnotentertheadjacentjoint.
153.FracturesiteofMonteggiafractureis
a)Proximalulna
b)Distalendofradius
c)Distalradius
d)Dislocationofradialhead
e)Lowerradio-ulnarjointdislocation
CorrectAnswer-A:D
Ans.a.Proximalulna;d.Dislocationofradialhead
Monteggiafracture-dislocationsareclassifiedbytheBado
system
BadotypeIinjuriesarecharacterizedbyaproximalulnarfracture
withanteriordislocationoftheradialhead.Thisisduetoaforceful
pronationinjuryoftheforearmandisthemostcommontype.
BadotypeIIinjuriesare"reversed"Monteggiafracture-dislocation
injuries.
Here,thereisposteriorangulationoftheulnarfracturesiteand
posteriordislocationoftheradialhead.
BadotypeIIIandIVarerareinjuries.
154.TrueregardingDownsyndromeis?
a)Increasedpaternalageisariskfactor
b)Karyotypingisnotneededinallpatients
c)>85%ofaffectedpatientshave1morechromosome21
d)Increasednuchaltranslucency
e)AssociatedwithearlyonsetofAlzheimer'sdisease
CorrectAnswer-B
Answer-B.Karyotypingisnotneededinallpatients
Down'ssyndromeisthemostcommonchromosomaldisorderand
mostcommoncongenitalcauseofmentalretardation(2nd
mostcommongeneticcauseofmentalretardationisFragile-X
sydrome).
Trisomy21-Thereisanextrachromosome21whichisdueto
meioticnondisjunctioninovum.
Themostimportantriskfactorisadvancedmaternalage(>35
Years).
AntenatalScreeningforDownsyndrome
Followingmethodsareused:-
1. TripletestItincludes(i)Unconjugatedestrogen(estriol):decreased;
(ii)Maternalserumalphafetoprotein(MSAFP):decreased;and(iii)
hCG:increased
2. Newmarkers:Theseare(i)IncreasedinhibinAinmaternalblood;
and(ii)DecreasedPAPA(pregnancyassociatedplasmaprotein).
3. USG:Itshows:(i)Increasednuchaltranslucency(increasednuchal
foldthickness);(ii)Ductusvenousflowreversed;and(iii)Nasalbone
hypoplasia.
155.Whichofthefollowingischangesduring
pregnancy:
a)Inlasttrimesterbloodvolumeincreaseby50%
b)Cardiacoutputincreaseby20%inlasttrimester
c)HemodynamicchangesinpregnancycancauseCHFfollowing
duringlabourandfollowingdeliveryinpre-existingcardiac
lesions
d)Hypercoagulabilityoccurs
e)None
CorrectAnswer-A:C:D
Ans.(A)Inlasttrimesterbloodvolumeincreaseby50%;(C)
HemodynamicchangesinpregnancycancauseCHFfollowing
duringlabourandfollowingdeliveryinpre-existingcardiac
lesions;(D)Hypercoagulabilityoccurs
HEMATOLOGICALCHANGES:
PARAMETERS
CHANGES
Bloodvolume(mL)
by1500(30?40%)
Plasmavolume(mL)
by1250(40?50%)
RedCellvolume(mL)
by350(20?30%)
TotalHb(g)
by85(18?20%)
SerumIron
TIBC
Hematocrit
Diminished
Erythropoietin
(Neutrophilicleukocytosis-8,000to
WBCcount
WBCcount
20,000/mm3)
Plateletcountand
unchanged
volume
VII,VIII,X,plasmafibrinogen:
Coagulationfactors
AntithrombinIII,XI,XIII:
ESR
Plasmafibrinolytic
activity
PlasmaProtein
(Albumin30%;Globulin;A:G)
Concentration
CARDIOVASCULARCHANGES:
Cardiacoutput
by40%(maximumat30thweek)
(L/min)
Strokevolume
by27%
(mL)
Heartrate
by17%
(perminute)
Unaffectedormid-pregnancydropof
Bloodpressure
diastolicpressureby5?10mmHg
Venous
100%
pressure
Colloidoncotic
pressure
by14%
(mmHg)
Systemic
vascular
by21%
resistance
(SVR)
Pulmonary
vascular
by34%
reistance(PVR)
Totalextracellularvolume by16%
Shiftofapicalimpulselaterallyandupwardsinthe
left4'hintercostalspace
156.InPregnancy,whichofthefollowing
decreases-
a)SerumALT
b)SerumAlkalinephosphatase
c)SerumAST
d)SerumUrea
e)SerumCreatinine
CorrectAnswer-D:E
Ans.d.SerumUrea;e.SerumCreatinine
IncreasedGFRcausereductionofmaternalplasmalevelsof
creatinine,bloodureanitrogen&uricacid.
Withtheexceptionofraisedalkalinephosphatelevels,otherliver
functiontests(serumlevelsofbilirubin,AST,ALTCPKLDHare
unchanged.
157.AllaretrueaboutPCODexcept:
a)Metforminisusedfortreatment
b)Acanthosisnigramaybeassociated
c)Occurinpostmenopausalwomenonly
d)Associatedwithobesity
e)Infertilitymaybepresent
CorrectAnswer-C
Ans.c.Occurinpostmenopausalwomenonly
PCOD:Infertilityisduetoanovulatorycycle
Clinicalfeature:
Youngwoman
Acanthosisnigraduetoinsulinresistance.
Thickpigmentedskinoverthenapeofneck,innerthighandaxilla.
Hirsutism
Infertility
Oligomenorrhoea,amenorrhoea
Centralobesity:BMI>30kg/cm2;Waistline>88cm
Treatment:
MetformintreatstherootcauseofPCOD,rectifiesendocrine&
metabolicfunctions&improvefertilityrate.Itisusedasaninsulin
sensitizer
158.Trueaboutcervicalcancerscreeningin
female:
a)Startfrom2lyrofageirrespectiveofsexualactivity
b)Startfrom2lyrof.ageinsexuallyactivewomen
c)After30yr,screeningisdoneevery2-3yearsif3previousPAP
negativesmear
d)In70plusagegroup,ifpreviousPAPsmearisnegative-then
annualsurvey
e)RiskgroupshouldbescreenedthroughHPVDNAtesting
combinedwithcytology
CorrectAnswer-B:C:E
Ans.b.Startfrom2lyrof.ageinsexuallyactivewomen;c.
After30yr,screeningisdoneevery2-3yearsif3previousPAP
negativesmear;e.Riskgroupshouldbescreenedthrough
HPVDNAtestingcombinedwithcytology.
CervicalCancerScreening:
Allsexuallyactivewomenshouldbescreenedstarting,fromtheage
of2lyearsorafter3yearsofvaginalsexwithnoupperagelimits.
Screeningwouldbeyearlytilltheageof30.
Thereafter,itshouldbedoneatanintervalofevery2-3yearsafter3
consecutiveyearlynegativesmears.
TheriskgroupshouldbescreenedwithHPVDNAtestingcombined
withcytology
ThenegativepredictivevalueofonenegativeHPVDNAtest&two
negativecytologytestsarealmost100%.
Whenboththetestsarenegative,thescreeningintervalmaybe
increasedto6years.
159.TrueaboutstageIbcervixcarcinoma
management:
a)Radiotherapyalone
b)Simplehysterectomyalone
c)Primarychemoradiation
d)Wertheimhysterectomy+pelviclymphadenectomy
e)Simplehysterectomy+adjuvantchemotherapy
CorrectAnswer-C:D
Ans.c.Primarychemoradiation;d.Wertheimhysterectomy+
pelviclymphadenectomy
StagesIBandIIACervicalCancer
Radiationtherapywithchemotherapygivenatthesametime.
Radicalhysterectomyandremovalofpelviclymphnodeswithor
withoutradiationtherapytothepelvis,pluschemotherapy.
Radicaltrachelectomy.
Chemotherapyfollowedbysurgery.
Radiationtherapyalone.
160.Whichofthefollowingis/aretrueabout
lockedtwins:
a)Firstfetus-breechpresentation&secondfetuscephalic
presentation
b)Firstfetus-cephalicpresentation&secondfetusbreech
presentation
c)Decapitationofheadcanbedone,ifthefetusisdead
d)CaesareandeliveryisTOC
e)Usuallydeliveredbyvaginalroute
CorrectAnswer-A:C:D
Ans.a.Firstfetus-breechpresentation&secondfetuscephalic
presentation;c.Decapitationofheadcanbedone,ifthefetusis
dead;d.CaesareandeliveryisTOC
LockedTwin:
Thephenomenonoflockedtwinsisrare.
Fortwinstolock,thefirstfetusmustPresentbreech&second
cephalic.
Withdescentofthebreechthroughthebirthcanal,thechinofthe
firstfetuslocksb/wtheneck&chinofthesecond.
Caesareandeliveryisrecommendedwhenthepotentialforlocking
isidentified
Therearetwotypesoflockedtwins:breech/vertexand
vertex/vertex.
Ifonefetushasbeenpartiallyborn'attemptscanbemadeto
disimpactthetwinsmanually'suchasbytheZavanellimaneuver,
withaviewtoperforminganassisteddeliverywith
ventouseorforceps.
Ifthediagnosisismadeonlyafterthefirstlockedtwinhasdiedin
thebirthcanal,orifitisnotexpectedtosurvive,thefirsttwinmaybe
decapitatedanditsheadPusheduptoallowsafedeliveryofthe
secondtwin.
161.Trueaboutfemalepelvis:
a)Obstetricconjugateis2cmlessthanDiagonalconjugate
b)Obestetricalconjugateisthedistanceb/wthemidpointofthe
sacralpromontorytoprominentbonyprojectioninthemidline
ontheinnersurfaceofthesymphysispubis
c)Intertuberousdiameteris8cm
d)Bispinousdiameteris10.5cm
e)None
CorrectAnswer-A:B:D
Ans.a.Obstetricconjugateis2cmlessthanDiagonal
conjugate;b.Obestetricalconjugateisthedistanceb/wthe
midpointofthesacralpromontorytoprominentbony
projectioninthemidlineontheinnersurfaceofthesymphysis
pubis;d.Bispinousdiameteris10.5cm
Obstetricconjugate:Itisthedistanceb/vthemidpointofthesacral
promontorytoprominentbonyprojectioninthemidlineontheinner
surfaceatthesymphysispubis.
Itmeasures10cm.
Itcannotbeclinicallyestimatedbutktoinferredfromthediagonal
conjugate
1.5-2cmtobedeductedorbylateralradiopelvimetry.
Diagonalconjugate:Itisthedistanceb/wtheLowerborderof
symphysispubistothemidpointonthesacralpromontory.It
measures12cm.
Bispinousdiameterofmidpelvis(10.5cm):Itmeasuredistanceb/w
thetwoischialspine
Intertuberousdiameter(11cm):Itmeasuresb/winnerbordersof
ischialtuberosities"
ischialtuberosities"
162.Feature(s)ofchronichypertensionin
pregnancy:
a)Hypertensionoccurringafter20weekofpregnancy
b)Hypertensionoccurringbefore20weekofpregnancy
c)>10timescommoninobesewomen
d)Hypertensionbeforeonsetofpregnancy
e)Hypertensionoccurupto12weekpostpartum
CorrectAnswer-B:D
Ans.b.Hypertensionoccurringbefore20weekofpregnancy;d.
Hypertensionbeforeonsetofpregnancy
ChronicHypertensioninPregnancy:
Itisdefinedasthepresenceofhypertensionofanycause
antedatingorbeforethe20thweekofpregnancy&itspresence
beyondthe12thweekafterdelivery.
ThehighriskfactorsforCHDare:age(>40years),duration
ofhypertension(>15years),levelofBP(>160/ff0mmHg),presence
ofanymedicaldisorder(renovascular)&presenceofthrombophilia.
163.Inaprimifemale.Differentialdiagnosis
ofshockincludes:
a)Uterineinversion
b)Postpartummassivehaemorrhage
c)Amnioticfluidembolism
d)Postpartumeclampsia
e)None
CorrectAnswer-A:B:C
Ans.a.Uterineinversion;b.Postpartummassivehaemorrhage;
c.Amnioticfluidembolism
Inversionofuterus:Shockisextremelyprofoundmainlyof
neurogenicorigin.
Hemorrhagicshock:Associatedwithpostpartumor
postabortalhemorrhage,ectopicpregnancy,placentaprevia,
abruptionplacenta,ruptureoftheuterusandobstetricsurgery:
Shockassociatedwithdisseminatedintravascularcoagulation,
intrauterinedeadfetussyndromeandamnioticfluidembolism.
Septicshock(endotoxicshock):Hypotension(systolicBPmmHg)is
duetosepsisresultinginderangementsincellularandorgansystem
dysfunction.
Hypotensionpersistsinspiteofadequatefluidresuscitation.
Associatedtypicallywithsepticabortion,chorioamnionitis,
pyelonephritis,andrarelypostpartumendometritis.
164.Inpregnancy,counsellingfortherapeutic
terminationisgenerallydoneincaseof:
a)Eisenmengersyndrome
b)Multivalvulardisease
c)Congenitalheartdisease
d)Marfansyndrome
e)Primarypulmonaryhypertension
CorrectAnswer-A:D:E
Ans.a.Eisenmengersyndrome;d.Marfansyndrome;e.
Primarypulmonaryhypertension
PlaceofTherapeuticTermination:Indication
Absolutetermination:Primarypulmonaryhypertension,
Eisenmengersyndrome&pulmonaryveno-occlusiondisease
Relativeindications:ParouswomenwithgradeIII&IVcardiac
lesions;GradeI&IIwithprevioushistoryofcardiacfailureinearly
monthsorinb/wpregnancy
165.OCPisabsolutelycontraindicatedin:
a)Age>40yearwithsmoking
b)Carcinomabreast&genitalia
c)H/oEpilepsy
d)Thrombophlebitis
e)Hyperlipidemia
CorrectAnswer-A:D
Ans.a.Age>40yearwithsmoking;d.Thrombophlebitis
AbsolutecontraindicationofcombinedOCP:
Arterialorvenousthrombosis
Activeliverdisease
Pregnancy
Severehypertension
Stroke
Liveradenoma
Carcinoma
Undiagnosedgenitaltractbleeding
Valvularheartdiseaseischemicheartdisease
Angina
Diabeteswithvascularcomplication
Focalmigraine
Severehypercholesterolemia
Smokersoverage35years
Livertumor
Estrogen-dependentneoplasm,e.g.,breastcancer
Breastfeeding(within6weekspostpartum)
Majorsurgeryorprolongedimmobilization
166.Infertilityisdefinedas:
a)Ifacouplefailstoachievepregnancyafterl8monthof
unprotected®ularintercourse
b)Ifacouplefailstoachievepregnancyafter15monthof
unprotected®ularintercourse,itisanindicationto
investigatethecouple
c)Ifacouplefailstoachievepregnancyafter1yearof
unprotected®ularintercourse
d)Termedprimaryifconceptionhasneveroccurred
e)Itistermedsecondaryifconceptionhasneveroccurred
CorrectAnswer-C:D
Ans.c.IfacouplefailstoachievepregnancyafterIyearof
unprotected®ularintercourse;d.Termedprimaryif
conceptionhasneveroccurred
Infertility:
Infertilityimpliesapparentfailureofacoupletoconceive
Ifacouplefailstoachievepregnancyafter1yearofunprotected&
regularintercourse,itisanindicationtoinvestigatethecouple.This
isbasedonobservationthat80-85%ofnormalcouplesachieves
conceptionwithin1year;75%in6month&50%in3months.
Itistermedprimaryifconceptionhasneveroccurred6secondaryif
thepatientfailstoconceiveafterhavingachievedaprevious
conception
167.Whichofthefollowingis/aretrue
regardingmanagementofectopic
pregnancy:
a)IntrauterinesacmaybevisiblebyTVSwhenthe?hCGlevelsis
>1000mIU/ml
b)Hemoperitoneumisindicationformedicaltreatment
c)Methotrexateisdrugofchoice
d)Laparoscopycanbeusedfordiagnosis
e)None
CorrectAnswer-A:C:D
Ans.a.IntrauterinesacmaybevisiblebyTVSwhenthe?hCG
levelsis>1000mIU/ml;c.Methotrexateisdrugofchoice;d.
Laparoscopycanbeusedfordiagnosis
Serial?hCGlevelsareusuallyrequiredwhentheinitialultrasound
performedfailstodemonstrateeitherintra-orextrauterine
pregnancy.
At?hCGlevelsofapproximately2000mIU/ml,aviableintrauterine
pregnancyshouldbeseenbyvaginalultrasound.
LaparoscopyofDirectvisualizationofthefallopiantubesandpelvis
diagnosticlaparoscopyoffersareliablediagnosisinmostcasesof
ectopicpregnancyandareadytransitiontodefinitiveoperative
therapy.
MethotrexateTherapyisthedrugofchoice
168.MostcommonsiteofCINis:
a)Squamo-columnarjunction
b)Ectocervix
c)Endocervix
d)Nabothiangland
e)All
CorrectAnswer-A
Ans.a.Squamo-columnarjunction
CIN:Themetaplasiaextendsfromtheoriginalsquamocolumnar
junction(squamosquamous)outsidetothenewlydeveloped
(physiologicallyactive)squamocolumnarjunction(now
squamocolumnar)inside.Thisareaistransformationzone.
169.TrueaboutMayer-Rokitansky-Kuster-
Hausersyndrome
a)45XY
b)Upper2/3vaginaabsent
c)Ovaryatrophic
d)Uterusabnormality
e)Amenorrhoea
CorrectAnswer-B:D:E
Ans.b.Upper2/3vaginaabsent;d.Uterusabnormality;e.
Amenorrhoea
InandrogeninsensitivitysyndromeapatienthasXYkaryotypeand
functioningtesteshowever,thebodycannotrespondtotestosterone
duetomutationsintheandrogenreceptor.
FeaturesofMeyerRokitanskykusterHauser(Mullerian
agenesissyndrome)
Sporadicinheritance
Karyotype46xx
Normalbreastdevelopment
Normal(adie))andpubichair
Uterusabsent
Vaginaabsent
Cervixabsent
Ovarynormal
Testosterone(femalelevels)
Associatedanomalies
Thepresentationofcompletemullerianagenesis(MeyerRokitansky
kusterHausersyndrome)maybeconfusedwithandrogen
insensitivitysyndrome.
Presentation
Mullerianagenesis
Inheritancepattern
Sporadic
Karyotype
46xx
Breastdevelopment
Yes
Axillaryandpubichair Yes
Uterus
No
Gonad
Ovary
Testosterone
Femalelevels
Associatedanomalies Yes
170.Trueaboutventricularseptaldefect:
a)MCcongenitalheartanomaly
b)Presentationdependsonsizeoflesion
c)Membranoustypeclosesearlythanmusculartype
d)Mid-diastolicmurmur
e)CHFneverdevelops
CorrectAnswer-A:B
Ans.a.MCcongenitalheartanomaly;b.Presentationdepends
onsizeoflesion
MuscularVSDhavethehighestlikelihoodofspontaneousclosure
PatientswithVSDbecomesymptomaticaround6to10weeksof
agewithcongestivecardiacfailure.
VSDisthemostcommoncardiacmalformationandaccountsfor
25/oofcongenitalheartdisease.Defectsmayoccurinanyportionof
theventricularseptum,butmostareofthemembranoustype.
Thesedefectsareinaposteroinferiorposition,anteriortotheseptal
leafletofthetricuspidvalve.
VSDsbetweenthecristasupraventricularisandthepapillarymuscle
ofconusmaybeassociatedwithpulmonarystenosisandother
manifestationsofthetetralogyofFallot.
171.ThefollowingstatementisTRUEforPityriasisRosea:
a)Selflimiting
b)Chronicrelapsing
c)Lifethreateninginfection
d)Causedbydermatophytes
e)None
CorrectAnswer-A
Ans.A.Selflimiting
Pityriasisroseaisanacuteexanthematouspapulosquamous
eruptionoftenwithacharacteristicselflimitingcourse.
Theetiologyisnotknown.
HHV-7morefrequently,Ht{V-6lessfrequently
(Itisnotcausedbydermatophytes).
Itispresentduringthespringandfall.
Morphology:
Heraldpatch,FirtreeorChristmastreeappearance
Site:
Trunkalonglineofcleavage;sometimes(20%)lesionsoccur
predominantlyonextremities&neck(inversepattern)
Ref:Harrison'sPrinciplesofInternalMedicine16thEditionPage
292;Roxburgh's-CommonSkindisease17thEditionPage17;
Fitzpatrick'sDermatology5thEditionPage7369;Illustrated
TextbookofDermatology:Pasricha3rdEditionPage7134;
IllustratedSynopsisofDermatology&STDs,NeenaKhanna1st
EditionPage742-44
Accordigntoananthanarayanmicrobiologybook9thed/p.595:
Causatiyeagent:yeastlikefungusmalasseziafurfur(formelyPityro
sporumorbiculare).
Site:Uppertrunk,neck6upperarm.
Thisachronic,usuallyasytnptomatic,invohtementofthestartum
corneum.
Theoldnametineaversicolorshouldbediscardedaspityrtasis
eersicolorisnotcausedbydermatophytes.
172.TrueaboutImpetigocontagiosa:
a)Asboe-hausensign
b)Honeycolouredcrust
c)Causedbystaph.aureus
d)Contagious
e)Bullousdisorder
CorrectAnswer-B:C:D:E
Ans.(B)Honeycolouredcrust(C)Causedbystaph.aureus
(D)Contagious(E)Bullousdisorder
[Ref:NeenaKhanna4th/245;Roxburgh\Dermatology17th/z!4;
Harrison19th/350;18th/400]
Impetigocontagiosa:
Thinwalledbullae(seldomseen)onanerythematousbase,ruptures
raPidlytoformanexudativeplaquecoveredwithhoney-colored
rust.
Theprimarylesionisasuperficialpustulethatrupturesandformsa
characteristicyellow-brownhoney-coloredcrust
Causedby:Staph.aureus,S.pyogenesorboth.
Siteofpredilection:Face(periorificial,especiallyaroundthemouth&
nose),extremities&scalp
Complications:Eczematization´poststreptococcal
glomerulonephritis
173.Dermatitisherpetiformis:
a)Causedbyherpes
b)Affectmainlyflexorsurface
c)Associatedwithglutensensitiveenteropathy
d)Dapsoneisusedintreatment
e)None
CorrectAnswer-C:D
Ans.(C)Associatedwithglutensensitiveenteropathy
(D)Dapsoneisusedintreatment
[Ref:NeenaKhanna4th/80-81;Harrison19th/3373,18th/427-28]
DermatitisHerpetiformis:
Etiology:
Gluten-sensitiveenteropathyisalwaysassociated&probably
responsibleforskinlesions
Site:
Extensors&pressurepoints
Morphology:
Groupederythematouspapules(lessfre-quent),vesicles(more
frequent)&excoriatedlesions(mostfrequent)
Treatment:
Dapsoneworksdramatically.Aglutenfreedietonlyslowly.So
combinethetwo&thenreducedoseofdapsone.
174.Maculopapularrashsareseeninall
except:
a)Scarletfever
b)Measles
c)Exanthemsubitum
d)Infectiousmononucleosis
e)Germanmeasles
CorrectAnswer-A
Ans.A.Scarletfever
[Ref:NeenaKhanna4th/282;Hanison19th/128-30;18tV149-
51'Park23ril/144-45,147,151]
MaculopapularViralExanthems:
Measles(Rubeola):maculopapularconfluentrashwhichevolvesin
acranio-caudalfashion&fadeswithscaling.
Germanmeasles:Erythematousdiscretemacularrash.
Erythemainfectiosum(fifthdisease)
Exanthemsubitum(roseola,sixthdisease)
Infectiousmononucleosis
Epidemictyphus
Endemic(murine)typhus
Scrubtyphus
Rickettsialspottedfevers
HumanMonocytotropicehrlichiosis
Leptospirosis
Lymedisease
Typhoidfever
Denguefever
Note:
Scarletfever:
Causesconfluentdesquamativeerythemas.
175.Androgenicalopeciainfemaleiscaused
by:
a)Myxedema
b)Cushingdisease
c)Stein-Leventhalsyndrome
d)Addison'sdisease
e)None
CorrectAnswer-C
Ans.C.Stein-Leventhalsyndrome
[RefNeenaKhanna4th/133-34;Roxburgh'sDermatology17th/270;
Hanison19th/j55,18th/408,2920,2897]
AndrogeneticAlopecia(Malepattern;Femalepattern):
Associations
Inwomen,featuresofhyperandrogenismmaybepresentin
theformofhirsutism,acne&clitoromegaly.
Alwaysruleoutpolycysticovarydisease(PCOD).
Stein-Leventhalsyndrome,alsocalledpolycysticovary
syndrome(PCOS)
Myxedema:
Hairtexturemaybecomefine,andadiffusealopeciaoccursinupto
40%ofpatients,persistingformonthsafterrestorationof
euthyroidism.
176.Findingsinpsoarisisincludes:
a)Parakeratosis
b)Involvingalmost100%ofBasalcellinmultiplication
c)Micro-munroabscess
d)AutoimmunediseasewithT-cellinvolvement
e)Frequentlyinvolvingmucosalsurface
CorrectAnswer-A:B:C:D
Ans.(A)Parakeratosis(B)Involvingalmost100%ofBasalcell
inmultiplication(C)Micro-munroabscess(D)Autoimmune
diseasewithT-cellinvolvement
Psoriasis:
Type1helperTcelldiseasewithincreasedTh1cytokines(IFN-y&
IL-2)&reductionofanti-inflammatorycytokinesIL-10.
Histologically,scalylesionsshowhyperkeratosis¶keratosis.
Auspitzsign-Characteristicsfindingofplaqueinwhichremovalof
scalesleadstopinpointbleeding.
GrattageTesla:onscratchingscalesappear.
Koebner/Isomorphicphenomenon:
Appearsatthesiteofminorinjurysuchasscratchorgraze.
Characteristicofpsoriasis.
lnNails
Onycholysis(separationofthenailplatefromthenailbed)
Thimble-pittingofnailplate
Brownblackdiscoloration
177.Trueaboutbullouspemphigoid:
a)Nikolslcysignpositive
b)Bullaspreadsignpositive
c)Commoninchildren
d)Dariersign
e)Itchingiscommon
CorrectAnswer-E
Ans.E.Itchingiscommon
[NeenaKhenna4th/77-79]
BullousPemphigoid:
Autoimmunedisorder
Itchy,tensehemorrhagicblistersonskin
Mucosallesioninfrequent
Age60-80yr
Gender:equalincidenceinmale&females
Bullaspreadsign&Nikolsy'ssignareusuallynegative
178.Allaretrueaboutlichenplanusexcept:
a)Notassociatedwithoralulcer
b)Wikham'sstriaepresent
c)Colloidbodyonhistology
d)Morphologycanberepresentedby5'P'
e)Koebner'sorisomorphicphenomenonmaybepresent
CorrectAnswer-A
Ans.A.Notassociatedwithoralulcer
[RefNeenaKnnna4th/56-60;RoxburgheDermatologist17thll4;
Harrison19th/349,I8tW399-400]
LichenPlanus:
Orallesions(Laceyreticulatepattern):
Itmaybeasymptomaticorpatientmaycomplainofburning
sensationespeciallyoneatingspicyfoods.
Whenviewedunderamagnifyinglens,surfaceofthelesionshas
whitestreaks(Wickham'sstriae)
Morphology(5Ps):Pruritic,Polygonal,Purple(butviolaceousisthe
termtouse),Plane(flattopped),papules.
Age:10-40year
184.Koebnerorisomorphicphenomenonmaybepresent
Histopathology:colloidbody,basalcelldegeneration,bandlike
upperdermalinfiltrate,Maxfoseph'sspace,thickenedgranularlayer
179.Whichiscausedbybacteria:
a)Analwart
b)Lymphogranulomavenereum
c)Molluscumcontagiosum
d)Condylomatalattum
e)None
CorrectAnswer-B:D
Ans.(B)Lymphogranulomavenereum(D)Condylomatalattum
[RefNeenaKhanna4th/270]
AnogenitalwartiscausedbyHPV-6,11,16,18,31&33
LymphogranulomavenereumiscausedbyChlamydiatrachomatis
serovarsLl,L2&L3
Condylomalata:Itisfoundinsecondarysyphilis(Treponema
pallidum)
Molluscumcontagiosumiscausedbythepoxvirus.
180.AllaretrueregardingLaryngealMask
Airwayexcept:
a)Bigoraltumoriscontraindicationforitsuse
b)MaybeusedwhenintubationwithETTisnotpossible
c)Canbeusedinchild'seyesurgery
d)MaybeusedinCPR
e)None
CorrectAnswer-E
Ans.(E)NONE
[RefAjayYadav5th/42-43;LeeAnaesthesia13th/206-08;Morgo4
Anesthesia4th/97;DorschDorschanesthesiaequipment5th/488;
Miller\anesthesia6th/I627]
Advancedcardiaclifesupport(PartofCPR):
Forbreathing-Advancedmethodlikeendotrachealtube,LMA,
combitubeortracheostomytube.
LaryngealMaskAirway(LMA):
Asanalternativetointubationwheredifficultintubationisanticipated
Anelectivemethodforminorsurgerieswhereanesthetistwantsto
avoidintubation(Likeeyesurgeryinchildren).
Contraindication:oropharyngealmass.
LMAprovidesanalternativetoventilationthroughafacemaskor
endotrachealtube(ETT).
LMAhasprovenparticularlyhelpfulasatemporarymeasureif
patientswithdifficultairways(thosewhocannotbeventilatedor
intubated)becauseofitseaseofinsertion&relativelyhighsuccess
rate(95-99%).
C/IforLMAincludes:patientwithpharyngealpathology(e.g.,
abscess),pharyngealobstruction,fullstomach(e.g.,pregnancy,
hiatalhernia)orlowpulmonarycompliance
181.Whichofthefollowingcircuitis
preferredinchildforspontaneous
respiration:
a)MaplesonA
b)Jackson&Reescircuit
c)MaplesonC
d)MaplesonE
e)MaplesonF
CorrectAnswer-A
Ans.(A)MaplesonA
[RefAjayYadav5th/35;DorschAnesthesiaEquipment5th/213-215;
MorganAnesthesia5th/i3;4th/35-37]
PediatricBreathingCircuits:
TypeEMaplesonCircuit:
ItisAyre'sTpiecewithcorrugatedtubing.
Itisapediatriccircuit
Asitdoesnothavebreathingbagsoitisnotacompletecircuit(It
wasmadecompletebyattachingabreathingbagbyattachinga
breathingbagbyJackson&Rees).
TypeEisbasicallyacircuitonlyforspontaneousrespiration(asit
doesnotcontainbreathingbag)butcanbeutilizedforcontrolled
ventilationbyintermittentlyoccludingtheendofexpiratorylimb
182.Weaningisgenerallydoneby:
a)SIMV
b)Controlledmodeventilation(CMV)
c)CPAP
d)PressurecontrolledVentilation
e)AssistedcontrolledVentilation
CorrectAnswer-A:C
Ans.A,SIMV&C,CPAP
[RefAjayYadav5th/239-40;Morgan5th/1298;Milleranesthesia6th]
Weaning:
Meansdiscontinuingtheventilatorsupport.
WeaningprocessmayvaryfromPatienttoPatient,hospitalto
hospital(dependingonthetypeofventilatoravailable)6clinicianto
clinician4ispossibletoweanpatientinanymodeofventilation
exceptcontrolmodeventilation
TechniquesforWeaning:
Thecommontechniquestoweanapatientfromtheventilator
includeSIMVpressuresupport,orperiodsofspontaneousbreathing
aloneonaT-pieceoronlowlevelsOfCPAP
Mandatoryminuteventilationhasalsobeensuggestedasanideal
weaningtechniques,butexperiencewithitislimited.
MostoftenaPPLiedapproachisthatpatientfromcontrol/assist
controlmodeventilationisshiftedtoSIMV&thenkeepon
decreasingtherateofbreathdeliveredbyventilatorgraduallytillit
becomes1to2breath/min
183.Achildonimmediatepostoperative,is
complainingofnausea&vomitingafter
squintsurgery.Whichofthefollowing
drugsmaybenotusedduringoperation
incontrollingthissymptom:
a)Propofol
b)Ketamine
c)Dexamethasone
d)Ondansetron
e)Palonosetron
CorrectAnswer-A:C:D
Ans.A,PropofolC,Dexamethasone&D,Ondansetron
[RefAjayYadavSth/132;LeeAnaesthesial3th/630]
StrabismusSurgeryinPaediatricPatient:
Keyfeaturesinrelationtostrabismusareoculocardiacreflexin
responsetosurgicalmovementofglobe,postoperativenausea&
vomiting(PONV)&theassociationofstrabismuswithoccult
myopathies&possiblymalignanthyperthermia.
Antiemesisisimprovedbyuseofpropofoloninduction&
maintenance&bythepreemptiveuseofboth5-hydroxy-tryptamine
inhibitors&dexamethasone,
OpioidsshouldbeavoidedbecauseregularNSAIDSareas
effective.
TopicalNSAIDS(Ketorolac0.5%oo/o,diclofenacl%)havebeen
usedwithsomesuccess.
Theincidenceofoculocardiacreflexcanbereducedbytheuseof
ketamineatinduction&bytheuseofmedialcanthalinjectionof
localanaesthetic(lidocaine),whichalsoreducestheneedfor
postoperativeanalgesia
184.Whichofthefollowingfluidusedin
perioperativeperiodisisotonic:
a)RL
b)DNS
c)5%Dextrose
d)HES
e)NS
CorrectAnswer-A:C:D:E
Ans.A,RLC,5%DextroseD,HES&E,NS
[RefAjayYadav5th/12-15;LeeAnaesthesiap.232-33;Morgan
5th/1164]
RingerLactateSolution(RL,Hartmansolution):
Lactateismetabolizedtobicarbonateinliver
RingerlactateiscrystalloidofchoiceforbloodlossrePlacement.
RLisslightlyhypotonic.
NormalSaline:
0.99%NaClisotonicsolution.
PreferredoverRLfortreating:hypochloremicmetabolicalkalosis,
braininjury(Catinlactatecanincreasetheneuronalinjury)&
hyponatremia
DextroseNormalSaline:
Hypertonic.
bestusedasmaintenancefluid.
HydroxyethylStarch(Colloid):
Types:Hetastarch&Pentastarch
185.18-FDGstandsfor:
a)18-Fluorodeoxyglucose
b)18-Fluorodioxyglucose
c)18-Fluorodeoxygalactose
d)18-Fluorodioxygalactose
e)18-Fluorodeoxyglycogen
CorrectAnswer-A
Ans.(A)18-Fluorodeoxyglucose
[RefSumerSethi2nd/16;Grainger&AllisonRadiology6th/141]
18F-2-Fluoro-2-deoxy-D-glucose(FDG)
DyeusedinPETscans.
Themostcommonlyusedradiolabeledtraceris18F-2-Fluoro-2-
deoxy-D-glucose(FDG).
InPEThelpsassessmetabolicfunctionssuchasoxygenand
glucoseconsumptionandbloodflow.
186.Half-lifeofradiumis:
a)14day
b)27day
c)1626years
d)5.25yr
e)None
CorrectAnswer-C
Ans.(C)1626years
[Ref:Harrison19the/p263e-3]
Half-lifeofRa-226:1626years
187.1curieisequivalentto:
a)1.7x1010disintegration/second
b)2.7x1010disintegration/second
c)3.7x1010disintegration/second
d)4.7x1010disintegration/second
e)5.7x1010disintegration/second
CorrectAnswer-C
Ans.(C)3.7x1010disintegration/second
[Ref:SumerSethi2nd/94-95;Grainger&AllisonRadiology6th/118;
RadiologybyS.Bhailury2nd/197;Harrison19th/263e-1,18th/1788;
http://www.nrc.gov/reading-rm/doc-collections/cfr]
RadiologybyS.Bhadury2ndl197:Writes:
1Bq=1disintegration/second
1Curie(Ci)=3.7x10(10)disintegration/second
1Ciisequalto37gigabecquerel
1gray(Gy)=100rads10mGy=1rad1mGy=100mradGray
(Gy)istheSIunitofabsorbeddose.
Onegrayisequaltoanabsorbeddoseof1foule/kilogram(100
rads).
188.RadiationnotemittedbyCo-60:
a)arays
b)13rays
c)yrays
d)Positron
e)6rays
CorrectAnswer-A:D:E
Ans.A,araysD,Positron&E,6rays
[Ref:Harrison19th/263e3,18th/1790;SumerSethi2nd/88;Grainger
(tAllisonRadiology6th/118]
Cobalt(Co-60)-beta,gammaraysemitted.
189.Whichofthefollowingareasarenot
examinedinFAST:
a)Perisplenic
b)Perihepatic
c)Suprapubic
d)Chest
e)None
CorrectAnswer-E
Ans.(E)NONE
[Ref:L6B26th/187;Manipal4th/886]
FAST:4acousticwindow-pericardial,perihepatic,perisplenicor
pelvic.
Thefourclassicareasthatareexaminedforfreefluidarethe
perihepaticspace(alsocalledMorison'spouchorthehepatorenal
recess),perisplenicspace,pericardium&pelvis.
190.Whichofthefollowingistrueregarding
catatonia
a)Prominentsensorysymptom
b)Prominentmotorsymptom
c)ECTisTOCforlifethreateningcatatonia
d)MaybeassociatedwithCNSdisease
e)None
CorrectAnswer-B:C:D
Ans.B,ProminentmotorsymptomC,ECTisTOCforlife
threateningcatatonia&D,MaybeassociatedwithCNSdisease
[Ref:Kaplan6Sadock\1lth/292,343-46,1068;Ahuja7th/57-s9,
2255th/60-61,1423;NewOxfordTextbookofPsychiatry1st/167;
Harrison19th/1771,17th/147]
Catatonia:
CatatoniawasfirstdescribedbyKahlbaum,whodescribeda
syndromewithprominentmotor&behavioralsymptoms.
Characterizedbymotorabnormalitiessuchascatalepsy,mutism,
posturing&negativism.
Itcanbeassociatedwithanothermentaldisorder(e.g.,
schizophreniaorbipolardisorder)orduetoanothermedical
condition(e.g.,neoplasm,headtrauma,hepaticencephalopathy
ECTisappropriateforcatatoniaduetoageneralmedicalcondition,
especiallyifthecatatoniaislifethreatening(e.g.,inabilitytoeat)or
hasdevelopedintolethal(malignant)catatonia.
191.Allaretrueaboutnarcolepsyexcept:
a)Daydreaming
b)Hypnagogichallucinations
c)Cataplexy
d)Suddensleep
e)DecreasedREMlatency
CorrectAnswer-A
Ans.(A)Daydreaming
[RefNeerajAhuja7th/Ij8-39;Kaplan&SailocklsTextbookof
psychiatry11th/547-50;Harrison19th/189,t7th/172-ZB;CMDT
2016/1072]
Narcolepsy:
Disordercharacterizedbyexcessivedaytimesleepinessoften
dkturbetlnighttimesleepanddisturbancesinREMsleep.
HallmarkofthisdisorderisdecreasedREMlatency,I.e.decreased
latentperiodbeforethefirstREMperiodoccurs.
NormalREMlatencyis90-100minutes,innarcolepsy,REMsleep
occurswithin10minutesoftheonsetofsleep.
Classicaltetradofsymptoms:
Sleepattacks(MC)
Cataplexy
Hallucinationsatsleeponset(Hypnagogic)anduponwaking
(Hypnopompic)
Sleepparalysis.
192.Whichofthefollowingistrueabout
OCD:
a)Anxiety
b)Compulsion
c)Hallucination
d)Obscession
e)Egoalien
CorrectAnswer-A:B:D:E
Ans.A,AnxietyB,CompulsionD,Obscession&E,Egoalien
[RefAhuja7th/9s-98]
ObsessiveCompulsiveDisorder(OCD):
Representedbyadiversegroupofsymptomsthatincludeintrusive
thoughts,rituals,preoccupations,andcompulsions.
Washeriscommonesttype
PersonswithOCDarecommonlyaffectedbyothermental
disorders.
Theobsessionsorcompulsionsaretime-consumingandinterfere
significantlywiththeperson'snormalroutine,occupational
functioning,usualsocialactivities,orrelationships.
ApatientwithOCDmayhaveanobsession,compulsion,orboth.
Features:
EgoAlien
Isolationeffect
Undoing.
Repetitivebehaviour.
Butisunable&resultsinirresistible.
193.FeaturesofManiaincludes:
a)Cheerfulness
b)Anhedonia
c)Catatonia
d)Delusionofgrandeur
e)Negativethinking
CorrectAnswer-A:D
Ans.(A)Cheerfulness(D)Delusionofgrandeur
[Refkaplan&Sadock'sTextbookofPsychiatry11th/358,364;Ahuja
7th/69-71,12]
ManicEpisode:
Anhedonia(inabilitytoexperiencePleasure)mayoccurinboth
schizophrenia&depression.
Elevatedmoodcanpassthrough4stages,dependingonthe
severityofmanicepisode-euphoria(mildelevation),elation
(moderateelevation),emulation(severeelevation)&ecstasy(very
severeelevation).
Personismoretalkativethanusual.
Increasedpsychomotoractivity.
Delusions(orideas)ofgrandeur(grandiosity),withmarkedlyinflated
self-esteem.
Delusionofpersecutionmaysometimesdevelopsecondaryto
delusionofgrandeur.
This post was last modified on 11 August 2021