Dr. MGR University Question Paper
FIRST M.B.B.S. DEGREE EXAMINATION
Revised (Non-Semester) Regulations
Paper IV – PHYSIOLOGY INCLUDING BIOPHYSICS – II
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.
*******
FIRST M.B.B.S. DEGREE EXAMINATION
Revised (Non-Semester) Regulations
Paper IV – PHYSIOLOGY INCLUDING BIOPHYSICS – II
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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