FINAL EXAM NATIONAL BOARD OF EXAMINATIONS
DECEMBER 2017
PHYSIOLOGY
PAPER I

POSSESSION/USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE EXAMINATION HALL.
Time 3 hours PHY/D/17/36/I
Max. Marks 100
Important instructions:
• Attempt all questions in order.
• Each question carries 10 marks.
• Read the question carefully and answer to the point neatly and legibly.
• Do not leave any blank pages between two answers.
• Indicate the question number correctly for the answer in the margin space.
• Answer all the parts of a single question together.
• Start the answer to a question on a fresh page or leave adequate space between two
answers.
• Draw table/diagrams/flowcharts wherever appropriate.
Write short notes on:
1. Define homeostasis.
Explain in brief characteristic features of negative and
feedback mechanisms. Give appropriate examples.
Add a note on Feed Forward Control system.

2. Illustrate with the help of diagram /flow chart the
formation of temporary and permanent haemostatic
plugs.
Components and physiological importance of
Fibrinolytic system.
Pathophysiology of disseminated intravascular
coagulation.

3. Enumerate various components of Cytoskeleton.
Explain in brief the structure and function of each.
List the major molecular motors and their functions.
6+4
4. Role of folic acid in erythropoiesis
Features and laboratory investigations of folic acid
deficiency anemia

5. Steps involved in production of hyperosmotic renal
medullary interstitium.
Role of vasa-recta in excreting concentrated urine
Free-water clearance

6. Define Glomerular Fillration Rate
Determinants of GFR
Autoregulation of GFR and renal blood flow
Measurement of GFR

P.T.O.
FINAL EXAM NATIONAL BOARD OF EXAMINATIONS
DECEMBER 2017
PHYSIOLOGY
PAPER I

POSSESSION/USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE EXAMINATION HALL.
7. What is Mononuclear Phagocytic System?
What are its components, their location and functions in
human body?
2+8
8. Define ageing
Theories of ageing
Anti-ageing therapies

9. Sampling techniques in medical research
ANOVA
6+4
10. What are the factors affecting metabolic rate?
Obesity
6+4