Download WBUHS MBBS 1st Year WBUHS Physiology Paper I 2018 Supplementary Question Paper

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The West Bengal University of Health Sciences

MBBS 1st Professional (Supplementary) Examination, 2018

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Subject: Physiology

Paper: 1

Full Marks: 50

Time: 2 ½ hour

Attempt all questions. The figures in the margin indicate full marks

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Group-A

1. a) Define Electrocardiogram. How augmentation occurs in augmented leads? What is PR interval? How you can diagnose various types of AV block from ECG: 1+4+2+5=12
   or
   b) What are Baroreceptors? Describe the role of baroreceptors in maintaining the blood pressure. What is hypertension? 2+7+3=12

Group-B

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2. Answer any two of the following: 2x7
   1. Define resting membrane potential. Discuss the ionic basis of generation of action potential in skeletal muscles. What is tetanus? 2+4+1=7
   2. How does Rh incompatibility occur? Describe the haemolytic disease of the new born with its prevention. 4+3
   3. What is meant by gastric mucosal barrier? What is its role in peptic ulceration. 2+5

Group-C

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3. Write short notes on any four of the following: 4x3
   1. Water hammer pulse.
   2. Hypoxic hypoxia.
   3. Phagocytosis.
   4. Sinoaortic reflex.
   5. Dietary fibres.

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Group-D

4. Give the Physiological explanation of the following: 4x3
   1. Why Pancreas is not autodigested?
   2. Digitalis increases the force of contraction of cardiac muscles.
   3. Cyanosis does not occur in severe anaemia.

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   4. Oedema is seen in chronic liver disease.