Download RUHS MBBS 1st Year 2014 August Human Physiology Including Biophysics Paper I Question Paper

RUHS RUHS FIRST YEAR MBBS EXAMINATION

HUMAN PHYSIOLOGY INCLUDING BIOPHYSICS-

PAPER - I July 2014 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 & why?
   1. If total serum Ca ions concentration fall to 50% of normal. (C2- 717)
   2. If gonads are absent, sex chromatin test is negative & karyotype pattern is 'XO'. (C2- 779)
   3. If decreased circulating levels of tree T4 &T3 in infants. (C2- 698)
   4. If there is degeneration of dopaminergic nigrostriatal tract. (C2-999)
   5. If either length of the eyeball is too short or refractive power of the lens decreases (C2-1105)

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2. Describe:
   1. Functions of middle ear. (C2-1075)
   2. Sliding filament mechanism of skeletal muscle contraction (C1-168)
3. Explain with the help of diagram
   1. Strength duration curve (C1-145)

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   2. Primary taste sensation (C2-1064)
4. Write notes on the following:
   1. Dark adaptation (C2-1109)
   2. Referred pain (C2-904)

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SECTION B

5. Mention differences between (any two)
   1. Diabetes mellitus & Diabetes insipidus (C2-757,681)
   2. Pyramidal & extrapyramidal tracts (C2-913,917)
   3. Isotonic & Isometric contraction (C1-170)

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6. Draw labelled diagram of the following (any two)
   1. Synapse (C2-858)
   2. Spermatogenesis (C2-790)
   3. Action potential in myelinated nerve fibre (C1-41)
7. Describe
   1. Functions of basal ganglia (C2-996)

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   2. Non metabolic functions of glucocorticoid hormone (C2-726)
8. Write notes on
   1. Na-k pump (C1-18)
   2. Oral contraceptives (C2-823)

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