PHYSIOLOGY PAPER 1-2013 AUGUST-KUHS MBBS

Q.P.Code:                                                                   Reg. no.:……….

First Professional MBBS Degree Examinations, August 2013

Physiology Paper 1

Time:3 Hours Total marks:50

• Answer all questions
• Draw diagrams whenever necessary

Long essay (10)

1. A road traffic accident victim was found to be unconscious and breathing in an irregular rhythm. From your knowledge of physiology

• Name two types of periodic breathing
• Explain the neural regulation of respiration
• What is the mechanism of function of medullary chemo receptors (1+5+4=10)

Short essays(2×5=10)

2. Name the components of the enteric nervous system and outline its functions

3. Describe the intrinsic pathway of coagulation. Mention one test for assessing it

Answer briefly(5×3=15)           

4. Law of intestine

5. Sickle cell anemia

6. Non renal functions of kidney

7. Pathophysiology of peptic ulcer

8. Cystometrogram

Draw and label (2×2.5=5)

9. Splay

10. Cardiac muscle action potential

Explain the physiological basis of the following (5×2=10)

11. Korotkoff’s sounds

12. Alveoli are dry

13. Skin is cold in hypovolemic shock

14. Q wave in an ECG

15. Thirst in diabetes mellitus