Download RUHS MBBS 1st Year 2011 August Human Physiology Including Biophysics Paper I Question Paper

RUHS FIRST YEAR MBBS EXAMINATION

HUMAN PHYSIOLOGY INCLUDING BIOPHYSICS-

PAPER - I July 2011 TIME: 3 HOURS TOTAL MARKS: 50

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INSTRUCTIONS:

1. Que. No. 1 in section A is compulsory. Attempt ANY TWO questions from rest of the questions in section A. Attempt ANY THREE questions in section B.
2. Use separate answer sheet for each section.

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Section A -(26 Marks)

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1. Explain what will happen and why? (10)
   1. To muscle contradiction when Ca⁺⁺ concentration in extracellular fluid decreases. (C2-717)
   2. When dopaminergic fibres in basal ganglia are destroyed (C2-999)
   3. To the size of thyroid gland in iodine deficiency. (C2-698)
   4. To base body temperature at the time of ovulation (C2-809)
   5. To the vision of person moving from well lighted room to dark room. (C2-1109)

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2. Describe (08)
   1. Decerebrate rigidly (C2-995)
   2. Analgesic system of body (C2-904)
3. Explain with the help of diagram (08)
   1. Excitation contraction Coupling (A. 194) (B. 73) (C1-167)

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   2. Myasthenia Gravis (A. 212) (B. 65) (C1-160)
4. Write notes on the following (08)
   1. Oral contraceptives (A. 514) (B. 679) (C2-823)
   2. Action potential in a nerve (A. 190) (B. 49,57,179) (C1-38)

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Section B - (24 marks)

1. Mention the important differences between the following (any two) (08)
   1. Motor aphasia and sensory aphasia (C2-1038)
   2. Skeletal muscle and smooth muscle (C1-197)
   3. Presynaptic inhibition and Postsynaptic inhibition (C2-862,863)

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2. Draw diagram of the following (any two) (08)
   1. Organ of Corti (A. 1047,1048) (B. 927) (C2-1071)
   2. Neural connections of cerebellum (C2-968)
   3. Visual pathway (A. 989) (B. 904) (C2-1094)
3. Describe (08)
   1. Coding of sensory information (C2-873)

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   2. Functions of Testosterone (A. 480) (B. 640) (C2-796)
4. Write notes on the following (08)
   1. REM sleep(A-967) (C2-989)
   2. Cushing syndrome (A. 452) (B. 593) (C2-729)

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