First professional MBBS degree examinations, September 2011
PHYSIOLOGY PAPER 1
Time-3 Hrs Max Marks- 50
- Answer all questions
- Draw diagrams whenever necessary
Long essay: (10)
1. A 55 year old obese man complained of head ache, giddiness,
and irritability for the last two months. On examination by a doctor, his BP
was found to be 130/100 mm Hg by auscultatory method. Three days later he
visited another doctor. According to him, his BP was found to be 170/100 mm Hg
after using both palpatory and auscultatory methods.
- What is the correct BP in this patient and why
- What is the cause for this difference in the recording?
- Define mean arterial pressure and pulse pressure giving their values
- Describe the possible renal mechanism causing hypertension
- Mention physiological basis for management of hypertension (2+2+2+2+2=10)
Short essay: (2×5=10)
2. Describe the role of chemo-receptors in regulation of
respiration
3. Describe the functions and regulations of pancreatic
juice secretion
Write briefly on: (5×3=15)
4. Special features of coronary circulation
5. Vital capacity and timed vital capacity as lung function
tests
6. Role of lymphocytes in immune functions
7. Intrinsic mechanism of coagulation
8. Renal plasma clearance values for inulin, PAH and glucose
giving their significance
Draw and label: (2×2.5=5)
9. Right ventricular pressure curve during a normal cardiac
cycle
10. Figure showing counter current multiplier and exchange
system in renal tubules
Explain the
physiological basis of the following: (5×2=10)
11. Anemia following partial gastrectomy
12. Post prandial alkaline tide
13. Filling and emptying of urinary bladder
14. Caisson disease or decompression sickness
15. Purpura and hemophilia
