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Thursday, January 7, 2016

Dr. MGR University Question Paper,Paper IV – PHYSIOLOGY INCLUDING BIOPHYSICS – II,FIRST M.B.B.S.,2012 Question Paper

Dr. MGR University Question Paper
Revised (Non-Semester) Regulations
Q. P. Code : 524054
Time : 180 Minutes Maximum: 50 Marks
Answer ALL questions in the same order.
Draw Suitable diagrams wherever necessary
I. Elaborate on :
 1. Draw an oxygen dissociation curve and describe how oxygen is transported in the blood.
 Depict the Bohr’s effect. (1 x 10 = 10)
 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.
4. Non progressive shock.
5. Travelling waves in the ear.
6. Ventilation-perfusion ratio.
7. Caisson disease.
8. Brown Sequard syndrome.
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.
3. Dicrotic notch.
4. Cardiac reserve.
5. Reynold’s number.
6. J point.
7. Extrasystole.
8. Bell-magendie law.
9. Cog-wheel rigidity.
 10. Betz cells.
 11. Homunculus.
 12. Anomic aphasia.
 13. Timed vital capacity.
 14. Pneumotaxic centre.
 15. Asphyxia.

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