Download MBBS 1st Year 2012 Feb 524054 Physiology Including Bio Physics II Question Paper

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[LA 503]

FEBRUARY 2012

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Sub. Code: 4054

FIRST M.B.B.S. DEGREE EXAMINATION

Revised (Non-Semester) Regulations

PAPER IV – PHYSIOLOGY INCLUDING BIO-PHYSICS – II

Time: 180 Minutes

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Q. P. Code: 524054

Maximum: 50 Marks

Answer ALL questions

I. Elaborate on :

1. Draw an oxygen dissociation curve & describe how oxygen is transported in the blood. Depict the Bohr's effect. (1 x 10 = 10)

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2. Classify pain. What are the receptors for pain? Describe the dual Pathways for pain. What is Analgesic system in the brain? (1 x 5 = 5)

II. Write Short notes on : (10 x 2 = 20)

1. Frank-starling's law of the heart.
2. Cardiac pacemaker potential.
3. Draw a labelled diagram of a normal ECG in lead II. Write a brief note on PR interval.

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4. Non progressive shock.
5. Travelling waves in the ear.
6. Ventilation-perfusion ratio.
7. Caisson disease.
8. Brown Sequard syndrome.

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9. Functions of Ascending reticular activating system.
10. Role of purkinje cells of cerebellum.

III. Short Answers on : (15 x 1 = 15)

1. Astigmatism.
2. Ocular dominance columns.

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3. Dicrotic notch.
4. Cardiac reserve.
5. Reynold's number.
6. J point.
7. Extrasystole.

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8. Bell-magendie law.
9. Cog-wheel rigidity.
10. Betz cells.
11. Homunculus.
12. Anomic aphasia.

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13. Timed vital capacity.
14. Pneumotaxic centre.
15. Asphyxia.

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