M.B.B.S-M.B.B.S 1st Year PHYSIOLOGY – Paper I(Kerala University of Health Sciences-2014)

Q.P. Code: 103001                                           Reg. no.: …………………
               First Professional MBBS Degree Examinations, August 2014
                                              PHYSIOLOGY – Paper I

Time: 3 Hours                                                                  Total Marks: 50

• Answer all questions
• Draw Diagrams wherever necessary

Long essay (10)

1. Oxygen delivery to tissues will be greatly reduced in a patient with carbon monoxide poisoning. Answer the following:
• What is the physiological basis for reduced oxygen delivery to the tissues.
• Describe the functional significance of oxygen-hemoglobin dissociation curve
• Mention the factors which will shift oxygen dissociation curve to right and left (2½+5+2½=10)

Short essays (2x5 =10)

2. Regulation of pancreatic exocrine secretion
3. Jugular venous pulse

Answer briefly (5x3=15)

4. Venous return
5. Fetal hemoglobin
6. Periodic breathing
7. Post prandial alkaline tide
8. Micturition reflex

Draw and label (2x2½ =5)

9. Draw and label diagram of lung volumes and capacities
10. Draw ECG recorded in lead II

Explain the physiological basis of the following (5x2=10)

11. Splay in renal glucose re-absorption curve
12. Dicumarol as an anticoagulant
13. Leucocytosis
14. Dead space
15. Tubulo glomerular feedback
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