GDU 2834
First Year MBBS Examination
I MBBS Physiology Paper 2
Time: 3 hours Max Marks: 50
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Instructions: 1. Answer to the points. 2. Figureto the right indicates marks. 3. Use separate
answer books for each section. 4. Draw
diagrams wherever necessary. 5. Write legibly.
Section 1
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1.Explain in detail: (any two) (10)a) Describe the actions and regulation of
secretion of growth hormone.
b) Describe the role of kidneys in maintaining
acid-base balance.
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c) What is menstrual cycle? Explain theovarian changes taking place during
menstrual cycle. (A.482) (8.655)
2A.Write brief notes on (any two) (6)
a) Oxytocin (A.382) (8.537)
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b) Argyl Robertson Pupilc) Functions of kidney
28.Write brief on (any one) (3)
a) Light adaptation (A.1018) (B.210)
b) Tetany
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3.Give brief on (any two) (6)
a) Renin-angiotensin system (A.634) (.261)
b) Estrogen
c) Organ of Corti (A.1047)
Section 2
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4.Explain in detail (any two) (10)a) Origin course, termination and functions of
pyramidal tracts (A.814) (8.702)
b) Discuss referred pain theories in detail
(A.873) (8.807)
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c) Muscle spindle and its role in stretch reflex(A.945) (8.822)
5A.Write briefly on (any two) (6)
a) Weber fecher law
b) Speech (A.979) (8.732)
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c) Papez circuit58.Write briefly on (any one) (3)
a) Bell-Megendie's law
b) Mass reflex
6.Short explanatory objective questions: (6)
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a) Why chrytorchids are usually infertile?b) Why gall bladder pain is referred to neck
region?
c) What is the cause of night blindness?
(A.1019) (8.911)
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d) Explain rigidity in mid collicular trans-section
e) How lactation and infertility are temporarily
associated?
f) Why weight loss by dieting temporary?
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g) How middle ear act as an impendancematching device?
h) Explain polyphasia in diabetes patients.
i) Why steroids srugs are slowly tapered?
j) ACE inhibitors commonly cause cough side
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effect. Explain why?***