First Year MBBS Examination
Date: 05-01-2011
0111 E16
I MBBS Physiology Paper 1
Time: 3 hours

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Max
Marks: 50
Instructions: 1. Answer to the points. 2. Use separate answer
books for each section. 3. Draw diagrams wherever necessary.
Section 1

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1. Write briefly on (any two): (10)
a. Clearance tests
b. Electrocardiographic leads
c. Blood coagulation tests
2. Write briefly on (any two): (6)

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a. Functions of WBC
b. Plasma proteins
c. Factors affecting Erythropoiesis
3. Write briefly on (any on: (3)
a. Transport through cell membrane

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b. Cell adhesion molecule
4. Write briefly on (any on: (6)
a. GFR
b. Micturition reflex
c. Sweat glands

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Section 2
1. Write briefly on (any two): (10)
a. Regulation of arterial blood pressure
b. Coronary circulation
c. Origin and spread of cardiac impulse

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2. Write briefly on (any two): (6)
a. Transport of oxygen in blood
b. Neural regulation of respiration
c. Lung volumes and capacities
3. Write briefly on (any on: (3)

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a. Acclimatization at high attitude

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b. Skeletal muscle blood flow during exercise
4. Write answers in two or two sentences (any six): (6)
a. A high protein intake is known to increase both renal blood
flow and GFR.

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b. Hyperventilation continues after mild exercise.
c. Fresh plasma is transfused in purpur
d. Folic acid deficiency leads to megaloblasticanaemi
e. Vitamin K deficiency can lead to serious bleeding
tendencies.

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f. Breathing stops during swallowing.
g. Facilitated transport reaches plateau.
h. Blood flow through vasa recta is slow.
End of Paper

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