NOVEMBER 2018 Sub.Code :5053
M.B.B.S. DEGREE EXAMINATION
FIRST YEAR
PAPER III PHYSIOLOGY INCLUDING BIO-PHYSICS I
Q.P. Code: 525053
Time: Three hours Maximum 50 Marks
Answer All Questions
I. Essay: x 10 10)
1. Define hemostasis. Describe the various stages involved in coagulation process.
II. Write notes on: x 4 20)
1. Passive transport.
2. Gastric emptying.
3. Peculiarities of renal blood flow.
4. Second messengers.
5. Hyper secretion of growth hormone.
III. Short answers on: (10 x 2 20)
1. Mechanism of action of botulinum toxin and the basis of botox injections.
2. What is steatorrhea?
3. List out four functions of liver.
4. Draw schematically how HCL is formed.
5. What are renal threshold and tubular maximum for glucose?
6. Give an example of neuroendocrine reflex. Briefly outline its pathway.
7. Name four hormones which increase the blood glucose level. What is the
mechanism of action of one these hormones?
8. Compare the actions of adrenaline and noradrenaline on heart and blood vessels.
9. Explain briefly the mechanism of action of contraceptive pill.
10. How does temperature influence spermatogenesis?