Download MBBS 1st Year 1023 RGUHS MBBS Physiology Paper II RS4 2023 Feb Question Paper

Download (Rajiv Gandhi University of Health Sciences) A Bachelor of Medicine, Bachelor of Surgery (MBBS) 1st Year (First Year) 1023 RGUHS MBBS Physiology Paper II RS4 2023 Feb Previous Question Paper || RGUHS MBBS first year question papers


QP CODE : 1023

Rajiv Gandhi University of Health Sciences, Karnataka

MBBSPhase? I(CBME)DegreeExamination-11-Feb-2023

Time:ThreeHours

Max.Marks:100Marks

PHYSIOLOGY? PAPER-I (RS-4)

Q.P.CODE:1023

(QPcontainstwopages)

Youranswersshouldbespecifictothequestions asked

Drawneat,labeled diagrams wherevernecessary

LONGESSAYS

2x10=20Marks

1.

Tracethevisualpathway. Explainthelesionthatoccuratdifferentlevels

2.

Describe the structure of neuromuscular junction and explain the transmission across it. Add a note on
neuromuscularblockers

SHORTESSAYS

8x5=40Marks

3.

Explainthestepsinsynthesisandregulationof thyroid hormonesynthesis

4.

Describethemechanisms ofheatlossand heatgaininthebody

5.

Describethestagesandregulationofspermatogenesis

6.

A middle aged man reported to medical out-patient department with complaints of trembling of hands while
attemptingtodosomework. Onexaminationhewas found tohaveimpairedco-ordinationand ataxia

a) Describethesignsandsymptomsof cerebel ardisease
b) Explainthetestsusedtoassess cerebel arfunctions

7.

Explaintheproperties ofsensoryreceptors

8.

Describetheactions ofinsulin

9.

Explaintheaction ofglucocorticoids

10.

Il ustratethepain pathway.Explainthegatecontrol theoryofpain

SHORTANSWERS

10x3=30Marks

11.

Explain thephysiologicalsignificanceofmusclespindle

12.

Explain theclinical featuresthatoccurbelowthelevel oflesioninBrown? Sequard syndrome

13.

Listthefunctionsofluteinizinghormones

14.

WhatisPapezcircuit?

15.

Whatisthebasisofsexdifferentiationina fetus?

16.

Explain fetoplacentalunit

17.

Explain summationinsynapse

18.

Listthefunctionsofblood brainbarrier

19.

Differentiatebetweenpituitaryand thyroid dwarfs

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QP CODE : 1023

Rajiv Gandhi University of Health Sciences, Karnataka

20.

JustifytheuseofL-dopa in Parkinsonism

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QP CODE : 1023

Rajiv Gandhi University of Health Sciences, Karnataka

MultipleChoiceQuestions

10x1=10Marks

21 i)

Endolymph is secreted by

A. Reissner' s membrane
B. Tectorialmembrane
C. Striavascularis
D. Outerhaircel s

21 i )

Heteronymoushemianopiaisseeninlesionof

A. Opticchiasma
B. Lateralgeniculatebody
C. Optictract
D. Opticnerve

21i i)

Spinocerebel artractcarriesthesensation of

A. ConsciousProprioception
B. Crudetouch
C. UnconsciousProprioception
D. Pain

21iv)

Siteof actionofaldosteroneontherenaltubule

A. Proximalconvolutedtubule
B. Loop ofHenle
C. Earlydistalconvoluted tubule
D. Col ecting duct

21 v)

Thephaseofmenstrualcycleoccurringafterovulationis

A. Proliferativephase
B. Secretoryphase
C. Bleeding phase
D. Midlutealphase

22 i)

Chronaxieis increasedwhen

A. Excitabilityoftissueis low
B. Thresholdof excitation is decreased
C. Local excitatorystateispresent
D. Membranepotential is nearfiring level

22 i )

Ininversestretchreflex

A. Golgi tendonorgan is receptor
B. Musclelengthis detected
C. Singlesynapsepresent
D. Excitationofsamealphamotorneuronisseen

22i i)

Afterhyperpolarisationinactionpotentialis dueto

A. Opening ofsodiumchannels
B. Opening ofpotassiumchannels
C. Slowclosureofsodiumchannels
D. Slowclosureofpotassiumchannels

Page 3 of 4
QP CODE : 1023

Rajiv Gandhi University of Health Sciences, Karnataka

22iv)

Theonlysituation whentheneuron is directlyexposedtotheexternalenvironmentis in

A. Tastebuds
B. Skin
C. Cornea
D. Olfactorymucousmembrane

22 v)

Theaction ofcholecalciferolonintestinal transportofcalciumis mediated through

A. Troponin
B. Calbindin
C. Calmodulin
D. CyclicAMP

E.

*****

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This post was last modified on 18 November 2023