Download DNB 2020 December PhysIology Paper II Question Paper

Download Diplomate of National Board (DNB) 2020 December PhysIology Paper II Question Paper

FINAL EXAM
NATIONAL BOARD OF EXAMINATIONS
DECEMBER 2020
PHYSIOLOGY
PAPER-II
Time: 3 hours
PHY/D/20/36/II
Max. Marks:100
Important Instructions:
You are provided with 5 answer sheet booklets. Each individual answer sheet booklet consists
of 10 pages excluding the covering jackets.
Answers to all the questions must be attempted within these 5 answer sheet booklets which
must be later tagged together at the end of the exam.
No additional supplementary answer sheet booklet will be provided.
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. Describe nervous mechanisms which play important role in the integrated 5+(3+2)
cardio-vascular regulation. Enumerate laws and principles of
hemodynamics.
2. Describe the regulation of cardiac output. Write a note on Fick's principle
5+5
and Dye dilution method of measuring cardiac output.
3. Describe the transport of CO2 from cell to atmosphere including chloride
6+4
shift and Haldane's effect.
4. Describe mechanism of secretion of hydrochloric acid (HCl) in stomach.
7+3
What are the main stimuli for HCl secretion?
5. Describe the functions of GIT hormones - Cholecystokinin (CCK-PZ) and
5+5
Gastrin. Write the stimuli which case stimulation of these hormones.
6. Describe events of cardiac cycle along with pressure and volume
7+3
changes. What is the cause of 3rd heart sound and why it can be normally
heard in pregnant women?
7. Evolution process of respiratory system in amphibian and mammalian
3+7
species.
8. Describe Glomerular filtration from reptiles to animals. Briefly describe
5+5
counter-current mechanism in humans.
9. Discuss pathophysiology of circulatory shock. What is irreversible shock?
5+5
10. Define pH & its importance in homeostasis. Describe the role of kidneys
2+5+3
in acid base balance. Write a note in metabolic acidosis.
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POSSESSION/USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE
EXAMINATION HALL.

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