Download DNB 2015 Dec PHYSIOLOGY I Question Paper

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FINAL EXAM NATIONAL BOARD OF EXAMINATIONS

DECEMBER 2015

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PHYSIOLOGY

PAPER - I

PHY/D/15/36/1

Time : 3 hours

Max. Marks : 100

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Important instructions:

• Attempt all questions in order.
• Each question carries 10 marks.
• Read the question carefully and answer to the point neatly and legibly.
• Do not leave any blank pages between two answers.

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• Indicate the question number correctly for the answer in the margin space.
• Answer all the parts of a single question together.
• Start the answer to a question on a fresh page or leave adequate space between two answers.
• Draw table/diagrams/flowcharts wherever appropriate.

Write short notes on:

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1. Explain Gibbs-Dénnan equation and Nernst equation.
2. a) Define recombinant DNA technology. (2+8)
   b) Its stages.
3. a) Physical properties of the sound stimulus. (4+6)
   b) Biophysical basis of loudness of sound.

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4. a) Draw and discuss the myeloid series. (4+6)
   b) Mechanism by which neutrophils and macrophages defend against infections.
5. Define anemia. (1+5+4)
   Give its etiological and morphological classifications.
   Salient features of the commonest anaemia in India.

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6. a) Define renal clearance. (1+3+6)
   Significance of renal clearance as kidney function test
   GFR measurement by renal clearance tests.
7. a) Mechanism of concentration of urine. (8+2)
   b) Bartter's syndrome.

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8. How will you define obesity? What is the marker of obesity? (2+2+3+3)
   List its causes. Name the genes which can contribute to obesity.
9. a) How much is the total body iron, and what is the distribution? (1+2)
   b) Mechanism of absorption of iron and its regulation. (4+3)
10. Define apoptosis. (2+(3+3+2))
    

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    Factors, physiological significance & applied aspects of apoptosis.