MBBS WBUHS Last 17 Years (2008-2025) First Year Question Papers (The West Bengal University of Health Sciences)
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The West Bengal University of Health Sciences
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MBBS 1st Professional Examination, January 2020| Subject: Physiology Paper: I | Full Marks: 50 Time: 2 ½ hours |
Attempt all questions. The figures in the margin indicate full marks.
Group A
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- a) Define Hemostasis. Describe the sequence of events leading to hemostasis. What is the role of platelets in clotting? Enumerate the common laboratory tests for investigation of bleeding disorders.
2+4+3+3
or
b) Identify the receptors, afferent pathways, integrating centre, efferent pathways & effectors in the arterial baroreceptor reflex. When the arterial baroreceptors decrease or increase the rate of firing? What changes in the autonomic outflow & cardiovascular function occur? Explain how tachycardia occurs in Cardiovascular shock.5+1+2+2+2
Group B
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- Answer any two of the following:
2 x7
- Compare & contrast the transmission of electrical activity at a neuromuscular junction with that at a synapse. What are Myasthenia Gravis?
5+2
- What is the compensatory mechanisms developed during acclimatization in high altitude?
7
- Outline the mechanism of HCl synthesis & secretion in the stomach. What are the paracrine & endocrine regulators of HCl secretion?
4+3
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- Compare & contrast the transmission of electrical activity at a neuromuscular junction with that at a synapse. What are Myasthenia Gravis?
Group C
- Write a brief account on any four of the following:
4x3
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- Receptor mediated endocytosis.
- Megaloblastic anemia.
- Pulmonary Surfactant.
- P-R interval.
- CCK-PZ.
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Group D
- Give the physiological explanation of the following:
4x3
- Relative lymphocytosis occurs in bone marrow depression in adults.
- Cyanide poisoning causes high PO2 in venous blood.
- Capillaries are also called 'exchange vessels'.
- Absence of bile salts in the small intestine may cause steatorrhoea.
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