Download DNB 2015 Dec PHYSIOLOGY II Question Paper

Download DNB (Diplomate of National Board) Under NBE 2015 Dec PHYSIOLOGY II 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 ? II
PHY/D/15/36/II
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. a) What is Reynold number?
b) Factors affecting it.
c) How much increase in Reynold number leads to
turbulence? Give examples.

2+4+4
2. Draw a diagram of Einthovan?s triangle showing Bipolar and
Unipolar limb leads. Draw normal aVR and aVL records, and
explain why the contours of the two are different.

3+(3+4)
3. a) Explain how cerebrospinal fluid (CSF) in formed and
reabsorbed;
b) Its role in protecting the brain from injury.

6+4
4. What are J receptors? Name the conditions when they are
stimulated. Discuss the response observed.

2+2+6
5. Changes in breathing and composition of alveolar air after
forced hyperventilation for 2 minutes.

4+6
6. a) Difference in ventilation and blood flow in different parts of
lung.
b) Its significance and applied aspect.

5+5
7. a) Define Stress.
b) Enumerate and explain the responses to known and
unknown stress.

2+8
8. Compare and contrast the physiological significance of core
and shell body temperature.

10
9. Blood flow in skeletal muscles during rest and exercise, and
the mechanisms involved.

10
10. Relation between work load, blood lactate levels and oxygen
uptake during graded exercise.

10
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