First Year MBBS Examination
I MBBS Physiology Paper 1
Time: 3 hours Max Marks: 50
Instructions: 1. Answer to the points. 2. Use separate
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answer books for each section. 3. Draw diagramswherever necessary.
Section 1
1. Write briefly on (any two): (10)
a. Pressure-volume changes during cardiac cycle
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b. Humoral immunityc. Renal blood flow
2. Write briefly on (any two): (6)
a. Functions of platelets
b. Erythrocyte sedimentation rate
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c. Rh blood group3. Write briefly on (any on: (3)
a. Resting membrane potential
b. Homeostatic feedback control
4. Write briefly on (any on: (6)
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a. Transport maximum for glucose (Tm
b. Hypothermia
c. Reabsorption of water
Section 2
5. Write briefly on (any two): (10)
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a. Circulatory shockb. Methods of measurement of cardiac output
c. Cutaneous circulation
6. Write briefly on (any two): (6)
a. Lung compliance
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b. Chemical regulation of respirationc. Ventilation-perfusion ratio
7. Write briefly on (any on: (3)
a. Decompression sickness
b. Respiratory changes during muscular exercise
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8. Write answers in two or two sentences (any six):(6)
a. Intrapleural pressure is sub atmospheric
b. Intravenous red blood cell is larger than intra-
arterial one.
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c. Venous return increases during muscular exercise.d. Only males suffer from hemophili
e. Mention the cause for A-V nodal delay.
f. Anaemia in renal disease.
g. Increase in red blood cell count at high attitude.
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h. Define sinus arrhythmia and give its cause.****