Q.P. Code: 103001 Reg. no.: …………………
First Professional MBBS Degree Examinations - July 2017
PHYSIOLOGY-Paper I
Time: 3 Hours Total Marks: 50
- Answer all questions
- Draw diagrams wherever necessary
Long Essay (10)
1. A 60-year-old man complaints of chest pain on exertion,
radiating to his left arm and severe shortness of breath. Answer the following:
- What is the most probable condition he is suffering from
- Mention the most common investigation done in such a patient and describe with the help of a diagram the changes that are expected in this patient
- What are the functional features of coronary circulation (1+5+4=10)
Short essays (2x5 =10)
2. Describe the neural control of respiration and add a note
on cheyne-strokes breathing
3. Explain the mechanisms of water re-absorption in renal
tubule
Answer briefly (5x3=15)
4. Peristaltic movements
5. Primary active transport
6. Starling's forces in capillary fluid exchange
7. Control of gastric secretion
8. Role of lymphocytes in immunity
Draw and label (2x2.5 = 5)
9. Spirometric recording of lung volumes
10. Cystometrogram in a normal human
Explain the physiological basis of
the following (5x2=10)
11. Entero-hepatic circulation
12. Resting bradycardia in athletes
13. Lung alveoli are dry normally
14. Decompression sickness
15. Megaloblasts in vitamin B12 deficiency anemia
