Download DNB 2019 Dec 2019 Dec PHYSIOLOGY PAPER I Question Paper

Download Diplomate in National Board (DNB) 2019 Dec 2019 Dec PHYSIOLOGY PAPER I Previous Question Papers

FINAL EXAM NATIONAL BOARD OF EXAMINATIONS
DECEMBER 2019
PHYSIOLOGY
PAPER-l
Time: 3 Hours ? PHYlD/19/36/I
Max. Marks: 100
Important Instructions:
0 O I O O I O
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 .
10.
In the context of ventricular myocardial muscle:
a) State different phases of action potential and their ionic mechanism.
b) Define refractory period, its mechanism and importance.
a) Describe different mechanisms by which cells internalize extracellular
material.
b) Add a note on receptor mediated endocytosis.
a) Explain the terms transcription and ttan?lation in gene expression.
b) Give detailed account of transcription fa?etors in terms of types, function
and regulation. ?
a) Outline the distribution of water in different compartment of the body.
b) With help of an example, describe the method of estimation of volume
of a body fluid compartment.
a) Compare and contrast excitation contraction coupling in skeletal,
cardiac and smooth muscle.
b) Explain the importance of latch phenomenon.
a) Describe the general properties of G protein coupled receptors.
b) Outline the various secondary messengers associated with G protein
coupled receptors.
8) Compare and contrast innate immunity and adaptive immunity.
b) Describe the role of complement proteins in innate immunity.
Explain the role of various organ systems involved in regulation of:
a) lntravascularvolume.
b) Osmolality of body fluids.
Outline the formation of different types of blood cells from a hematopoietic
stem cell. Explain the concept of hematopoietic niche.
Formulate a plan for statistical analysis of quantitative data obtained from
three separate groups of subjects (n=50) in a cross?sectional study design.
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