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

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RUHS FIRST YEAR MBBS EXAMINATION

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HUMAN PHYSIOLOGY INCLUDING BIOPHYSICS-

PAPER -II July 2013 TIME: 3 HOURS TOTAL MARKS: 50

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)

1. Explain what will happen and why (10)
   1. Extra amount of blood flows into the ventricles (C1-344)
   2. A person loses blood after an accident
   3. Level of vitamin B1 and folic acid in blood is reduced (C1-74)

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   4. To pulmonary blood flow distribution when alveolar PO2 decreases
   5. The lower oesophageal sphincter does not completely relax (C1-216)
2. Discuss briefly(8)
   1. Factors affecting GFR (A. 320) (B. 388)(C1-522)
   2. Erythroblastosis foetalis (A. 143) (B. 169)(C1-112)

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3. Explain (8)
   1. A-V nodal delay
   2. Law of gut (C1-252)
   3. CO₂ transport on blood (C1-438)
   4. Mass movements (C1-256)

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4. Write short notes on(8)
   1. Pharyngeal stage of swallowing (C1-215)
   2. Baroreceptor reflex(A. 633) (C1-353)

Section B - (24 marks)

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5. Discuss briefly(8)
   1. Ventilation perfusion ratio (A. 702)(B. 319) (C1-427)
   2. Reynolds number (C1-320)
   3. Counter-current blood flow in villi (C1-549)
6. Role of ADH in controlling water excretion (C1-564)

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7. Write short notes on (8)
   1. Exocrine Pancreatic secretion (C1-233)
   2. Concentration of urine (A. 328) (B. 403) (C1-550)
8. Explain with figures and flow charts (8)
   1. S-A nodal action potential (C1-180)
   2. Extrinsic pathway for blood coagulation (A. 131) (B. 156) (C1-99)

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   3. Normal cystometrogram (A. 342) (B. 444) (C1-581)
   4. Compliance diagram of lung (A. 719) (B. 307) (C1-422)
9. Explain briefly (8)
   1. Functions of saliva (A. 225) (B. 739) (C1-209)
   2. Factors affecting heart rate (C1-339)

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