Download DNB 2019 Dec 2019 Dec PHYSIOLOGY PAPER III Question Paper

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DECEMBER 2019

PHYSIOLOGY

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PAPER-III

Time: 3 Hours PHY/D/19/36/111 Max. Marks: 100

Important Instructions:

• Attempt all questions in order.
• Each question carries 10 marks.

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• Read the question carefully and answer to the point neatly and legibly.
• Do not leave any blank pages between two answers.
• 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.

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• Draw table/diagrams/flowcharts, wherever appropriate.

Write short notes on:

1. a) Enumerate the functions of the thyroid hormone. 6+4
   b) State the physiological basis of clinical features of hyperthyroidism.
2. a) Enumerate the various mechanism of heat gain and heat loss in a human body. 5+5
   

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   b) Discuss the role of hypothalamus in regulation of body temperature.
3. a) Chart the entire process of generation of mature sperms from primordial germ cell. 6+4
   b) State the role of various hormones in spermatogenesis.
4. Describe the ovarian cycle and the tests for detection of ovulation. 7+3
5. Describe the maternal-fetal-placental unit and assessment of its function. 7+3

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6. Describe the hormonal regulation of blood glucose level after a meal and in-between meals. 10
7. a) Explain the mechanism of phototransduction. 3+7
   b) Explain the physiological basis of light and dark adaptation.
8. a) Define muscle tone. 2+8
   b) Discuss spinal and supraspinal regulation of muscle tone with experimental evidence.

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9. Describe various righting reflexes for maintenance of posture and balance. 10
10. a) Define and classify memory. 2+6+2
    b) Describe the mechanism of consolidation of memory.
    c) Add a note on retrograde amnesia.

POSSESSION/USE OF CELL PHONES OR ANY SUCH ELECTRONIC GADGETS IS NOT PERMITTED INSIDE THE EXAMINATION HALL.

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