M.B.B.S-M.B.B.S 1st Year PHYSIOLOGY – Paper I(Kerala University of Health Sciences-2013)

Q.P. Code: 103001 Reg. no.: …………………
First Professional MBBS Degree Examinations, August 2013
PHYSIOLOGY – Paper I

Time: 3 Hours                                                                            Total Marks: 50

• Answer all questions

• Draw Diagrams wherever 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 (2x5 =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 (5x3=15)
4. Law of intestines
5. Sickle cell anemia
6. Non renal functions of kidney
7. Pathophysiology of peptic ulcer
8. Cystometrogram
Draw and label (2x2½ =5)
9. Splay
10. Cardiac muscle action potential
Explain the physiological basis of the following (5x2=10)
11. Korotkoff’s sounds
12. Alveoli are dry
13. Skin is cold in hypovolemic shock
14. Q wave in an ECG
15.Steatorrhoea in diseases that destroy exocrine pancreas
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