Download (Rajiv Gandhi University of Health Sciences) A Bachelor of Medicine, Bachelor of Surgery (MBBS) 1st Year (First Year) 1022 RGUHS MBBS Physiology Paper I RS4 2023 Feb Previous Question Paper || RGUHS MBBS first year question papers
QP CODE : 1022
Rajiv Gandhi University of Health Sciences, Karnataka
MBBSPhase? I(CBME)DegreeExamination-09-Feb-2023
Time:ThreeHours
Max.Marks:100Marks
PHYSIOLOGY? PAPER-I(RS-4)
Q.P.CODE:1022
(QPcontainstwopages)
Youranswersshouldbespecifictothequestions asked
Drawneat,labeled diagrams wherevernecessary
LONGESSAYS
2x10=20Marks
1.
Discussthecardiorespiratorychanges seen in apersondoing moderateisotonicexercise
Or
Define Blood Pressure. List the factors regulating blood pressure. Add a note on long term regulation of blood
pressure
2.
ExplainthemechanismofHCLsecretioningastricjuiceand discussthefactors regulating it
SHORTESSAYS
8x5=40Marks
3.
Explainthepressurechanges in thelung duringnormalrespiration
4.
Explain the organization of body fluids compartments. Mention one method to measure extra cel ular fluid
volumeand totalbodywater
5.
Discussthefactors regulating glomerularfiltration
6.
A 20-year-old male was brought to the casualty fol owing a road traffic accident. On examination his extremities
werefound tobecold and clammy,heartrate102/minandbloodpressure70/50mmof Hg
a) Explainthephysiologicalbasis ofcold clammyextremities
b) Classifyshock and stateMarey' s law
7.
Explaintheintrinsicmechanismof coagulation
8.
ExplaintheBohreffectand Haldaneeffect
9.
Discussthemechanismof fatdigestionandabsorptioningastrointestinaltract
10.
Describethebuffersystemspresentinrenaltubules
SHORTANSWERS
10x3=30Marks
11.
Mentionthephysiologicalbasisof increasedventilationperfusionratioinapexoflung
12.
Classifyanaemiaonthebasis ofmorphologywithexamples
13.
MentionthecausesforthewavesofJugularvenous pulse
14.
Listdifferentlayers ofrespiratorymembrane
15.
Explainthebasisof using phototherapyforphysiologicaljaundice
16.
Explainthebasisof megaloblasticanemiaseenaftergastrectomy
17.
Enumeratethefunction ofplatelets
Page 1 of 3
QP CODE : 1022
Rajiv Gandhi University of Health Sciences, Karnataka
18.
ExplainLaplacelawwithreferencetourinarybladder
19.
Listthepropertiesof cardiacmuscle
20.
Explainthemechanismofactionofloopdiuretics
MultipleChoiceQuestions
10x1=10Marks
21 i)
Cephalicphaseofgastricjuicesecretioniscontrol edmainlyby
A. Neural factors
B. Hormonalfactors
C. Gastricdistension
D. Presenceofproteins in stomach
21i )
Atrialsystolecoincideswithventricular
A. Isometriccontraction
B. Rapidejection phase
C. Lastrapid fil ingphase
D. Isometricrelaxation
21 i i)
Descendinglimb ofloop ofHenleispermeabletoal EXCEPT
A. Water
B. Sodium
C. Urea
D. Glucose
21 iv)
PCO2ofalveolarairinmmof Hg
A. 104
B. 46
C. 40
D. 27
21v)
Maximumvelocityof conductioninthecardiacmusculatureis seen in
A. SAnode
B. Avnode
C. BundleofHis
D. Purkinjefibers
22 i)
Edemacan develop dueto
A. Decreaseincapil aryhydrostaticpressure
B. Increaseininterstitialfluid hydrostaticpressure
C. Decreaseincapil aryoncoticpressure
D. Decreaseininterstitialfluid col oid osmoticpressure
22i )
Theplasmalevelatwhicha substancefirstappears inurineis
A. Renalthreshold
B. Renalclearance
C. Tubularmaximum
D. Filtered load
22 i i)
Chiefcel s ofgastricgland secrete
A. Hydrochloricacid
B. Mucous
C. Pepsinogen
D. Intrinsicfactor
Page 2 of 3
QP CODE : 1022
Rajiv Gandhi University of Health Sciences, Karnataka
22 iv)
Decompressionsicknessisdueto
A. Increased partial pressureofnitrogeninalveolarair
B. Bubbling ofCO2 intissues
C. DecreasedPO2 inatmosphericair
D. Nitrogen bubbles in bodyfluids
22v)
Warfarinacts asananticoagulantbydecreasing
A. Calciumcontentinblood
B. ActiveformofvitaminK
C. Thrombin level
D. Plateletaggregation
*****
Page 3 of 3
This post was last modified on 18 November 2023