Download DNB 2020 June Physiology Paper II Question Paper

FINAL EXAM
NATIONAL BOARD OF EXAMINATIONS
JUNE 2020
PHYSIOLOGY
PAPER-II

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Time: 3 hours
PHY/J/20/36/I
Max. Marks:100
Important Instructions:
Attempt al questions in order.

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Each question carries 10 marks.
Read the question careful y 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 al the parts of a single question together.

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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) Enumerate functions of liver. Add a note on its glucose buffer function. (2+3)+(1+4)

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b) Define jaundice. What is the pathophysiologic basis of its
classification?
2.
a) Components that contribute to the work of breathing.
5+5

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b) Normal and pathological conditions that cause alterations in each
component.
3.
a) Mechanism of autoregulation of glomerular filtration rate.
5+5

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b) Intrinsic mechanism of regulation of renal tubular reabsorption
4.
a) Role of central and peripheral chemoreceptors in regulation of
(3+4)+3
respiration.

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b) Add a note on the responses that are mediated by airway and lung
receptors.
5.
a) Cerebral circulation.
5+3+2

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b) Enumerate three methods for measuring blood flow in various parts of
the brain.
c) Mention a key drug used in treatment of early ischaemic cerebral
stroke and its mechanism of action.
6.

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a) Modalities for regulation of gastrointestinal motility.
6+4
b) Gut brain axis.
7.
a) Enumerate central and peripheral hormonal factors that increase food

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5+(2+3)
intake.
b) How is obesity classified on basis of BMI? What is the role of non-
exercise activity thermogenesis in obesity?
8.

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a) Role of platelets in haemostasis.
5+5
b) Tests used to assess the clotting mechanism.
9.
a) Process of renal H+ secretion.

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6+4
b) Describe how renal H+ secretion contributes to regulation of acid base
balance.
10. a) Physiological actions of angiotensins.
5+5

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b) Clinical importance of renin angiotensin system.
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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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