Download DNB 2015 Dec PHYSIOLOGY III Question Paper

Download DNB (Diplomate of National Board) Under NBE 2015 Dec PHYSIOLOGY III Previous Question Paper

FINAL EXAM NATIONAL BOARD OF EXAMINATIONS
DECEMBER 2015
POSSESSION / USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE
EXAMINATION HALL.
PHYSIOLOGY

PAPER ? III
PHY/D/15/36/III
Time : 3 hours
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. What is strength-duration curve? What parameters are
calculated from this? What is their clinical significance?

2+4+4
2. a) What is electromyography?
b) How it is recorded?
c) Uses of electromyography and its clinical significance.

1+2+(2+5)
3. a) Events taking place at neuromuscular junction in skeletal
muscles.
b) Myaesthenia gravis.

6+4
4. a) List four differences between stretch and flexion reflex.
b) Mechanism of after discharge in withdrawal reflex.

4+6
5. a) Define pain and explain how pain is perceived by man
b) Physiological basis of referred pain and neuropathic pain.

(1+3)
(3+3)
6. With the help of schematic diagram, explain activities in Direct
and Indirect pathways in basal ganglia on posture and
movement. Explain the physiological basis of use of a drug in
the treatment of Parkinson?s disease.

8+2
7. a) Define sleep.
b) What are the possible mechanisms of sleep?
c) Characteristics of various types of sleep.

2+4+4
8. Physiological basis of learning and memory.

10
9. Physiology of cochlear microphonics

10
10. Explain why the depth of the object cannot be appreciated in
the dim light at night. Explain the neural process underlying
appreciation of depth of the object.

4+6
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