Download MBBS 1st Year 2012 Feb 524053 Physiology Including Bio Physics I Question Paper

Download MBBS (Bachelor of Medicine and Bachelor of Surgery) 1st Year (First Year) 2012 Feb 524053 Physiology Including Bio Physics I Previous Question Paper

[LA 502]
FEBRUARY 2012
Sub. Code : 4053
FIRST M.B.B.S. DEGREE EXAMINATION
Revised (Non-Semester) Regulations
PAPER III ? PHYSIOLOGY INCLUDING BIO-PHYSICS ? I
Q. P. Code : 524053
Time : Three hours Maximum: 50 Marks
Answer ALL questions in the same order.
I. Elaborate on :
1. Explain the sliding filament hypothesis and outline the main events in the cross-bridge
cycle.
(1 x 10 = 10)
2. What are the components of gastric secretion? Explain the regulation of gastric
secretion.
(1 x 5 = 5)
II. Write notes on:
(10 x 2 = 20)
1. Anticoagulants.
2. G protein.
3. Calcitriol.
4. Thyroid function tests.
5. Describe the Reflex Arcs involved in micturition.
6. Explain the renal contribution to pH control.
7. Tubulo glomerular feedback mechanism.
8. Functions of plasma proteins.
9. Haemophilia.
10. Counter current blood flow in the villi.
III. Short Answers on :
(10 x 2 = 20)
1. Functions of Na-K pump.
2. Saltatory conduction.
3. Conn's syndrome.
4. Laron dwarf.
5. Aquaporins.
6. Anion Gap.
7. Macula densa.
8. Opsonization.
9. Immunological memory.
10. Cholelithiasis.
11. Enterogastric reflex.
12. Peristaltic rush.
13. Progeria.
14. Pills.
15. Permissive action.
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