Date: 05-01-2013
0113 E018
First Year MBBS Examination
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
1. Write briefly on (any two): (10)

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a. Role of baroreceptors in blood pressure regulation
b. Lung compliance
c. Cell-mediated immunity
2. Write briefly on (any two): (6)
a. Anticoagulants

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b. Hemolytic disease of newborn
c. Stages of erythropoiesis
3. Write briefly on (any on: (3)
a. Apoptosis
b. Refractory period

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4. Write briefly on (any on: (6)
a. Factors affecting body temperature
b. Counter ? current multiplier mechanism
c. Renin ? angiotensin system

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Section 2

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5. Write briefly on (any two): (10)
a. Ventricular diastole
b. Regulation of coronary blood flow
c. Transmission of cardiac impulse
6. Write briefly on (any two): (6)

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a. Respiratory chemoreceptors
b. Bohr effect
c. Alveolar ventilation
7. Write briefly on (any on: (3)
a. Caisson's disease

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b. Chloride effect
8. Write answers in two or two sentences (any six): (6)
a. Anaemic hypoxi
b. Purpur
c. Both Vitamin B12 and Folic acid are given to Pernicious

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anaemia patients. Explain.
d. T ? wave in ECG.
e. Serum.
f. Foetal Haemoglobin.
g. Filtration fraction.

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h. TmG (Tubular maximum for Glucos.
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