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Download DNB 2020 June Physiology Paper I Question Paper

Download Diplomate of National Board (DNB) 2020 June Physiology Paper I Question Paper

This post was last modified on 31 July 2021

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

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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) Principles and characteristics of a biological control system.
(3+4)+3

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b) What is the importance of a feed forward control system?
2.
a) Describe the organization of the body fluids and electrolytes in a healthy
4+6
young adult male.

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b) Discuss in detail how the various body fluids in the body are measured.
3.
a) Define resting membrane potential.
1+4+5
b) Explain the role of sodium potassium pump in the genesis of resting

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membrane potential.
c) Discuss how the Donnan effect influences the distribution of ions in our
body.
4.
a) Define motor unit.

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1+5+4
b) What is the role of motor unit recruitment in voluntary muscle
contraction?
c) Explain the principle of Electromyography (EMG) in brief.
5.

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a) Describe in detail the structure of a eukaryotic cel membrane.
7+3
b) Explain the significance of micro domains in a cel membrane.
6.
Describe the application of fol owing in circulatory physiology:

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5+5
a) Poiseuil e-Hagen formula.
b) Law of Laplace.
7.
a) Describe in detail the various theories of aging.

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8+2
b) Add a note on "Successful aging".
8.
a) Describe the process of antigen presentation.
5+5

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b) Compare the different types of immunoglobulins found in human body.
9.
Describe in detail the various cytoskeletal structures and their functions.
10
10

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a) Parametric and Nonparametric tests of significance.
5+5
b) Sampling techniques.
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POSSESSION/USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE

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EXAMINATION HALL.