Download RUHS MBBS 1st Year 2013 July Human Physiology Including Biophysics Paper I Question Paper

RUHS FIRST YEAR MBBS EXAMINATION

HUMAN PHYSIOLOGY INCLUDING BIOPHYSICS-

PAPER - I July 2013 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. Antibodies develop against acetylcholine gated sodium channels. (C1-160)
   2. If the eye ball is too short or lens is too weak. (C2-1105)
   3. Spinal cord is transsected in upper neck. (C2-936)
   4. If an acidophilic tumour occurs after adolescence (C2-673)
   5. If testes do not descend into abdomen at birth. (C2-797) synapse (A. 817) (B. 700)(C2-865)

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2. Functions of muscle spindle(A. 945) (B. 822)(C2-883)
3. Explain with the help of a graph/diagram: (8)
   1. Caudate circuit of basal ganglia (C2-996)
   2. Auditory pathway (C2-1072)

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4. Write notes on following (8)
   1. Adaptation of receptors (A. 776) (B. 459) (C2-875)
   2. Mechanism of accommodation of Eye (A. 995) (B. 894) (C2-1103)

Section B - (24 marks)

5. Mention differences between (any two)(8)
   1. REM and NREM sleep(A-967) (C2-988)

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   2. Short term and long term memory (C2-1042)
   3. Dorsal column pathway and Anterolateral pathway (C2-895)
6. Draw labelled diagram of the following(any two) (8)
   1. Analgesia system (C2-904)
   2. Regulation of thyroid secretion (C2-692)

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   3. Hormonal changes in menstrual cycle. (A. 482) (B. 655) (C2-804)
7. Describe (8)
   1. Actions of Parathyroid Hormone (A. 400) (B. 572) (C2-713)
   2. Actions of Testosterone (A. 480) (B. 640) (C2-796)

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8. Write (8)
   1. Cushing's syndrome (A. 452) (B. 593) (C2-729)
   2. Colour blindness (C2-1115)

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