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

Dr. MGR University Question Paper
FIRST M.B.B.S. DEGREE EXAMINATION
Paper IV – PHYSIOLOGY INCLUDING BIOPHYSICS – II
Q. P. Code : 524054
Time : 180 Minutes Maximum: 100 Marks
Answer ALL questions.
Draw Suitable diagrams wherever necessary
I. Elaborate on: Pages Time Marks
 (Max.) (Max.) (Max.)
 1. Define cardiac output. Discuss the factors affecting
 cardiac output and any one method of determination. 16 25 15
 What is the significance of ejection fraction in
 ventricular functioning?
 2. List the ascending tracts in the spinal cord and discuss 16 25 15
 the tracts of posterior column with diagram.
II. Write notes on:
1. Chemical regulation of respiration. 3 8 5
2. Functions of middle ear. 3 8 5
3. Hypovolumic shock. 3 8 5
4. Ventilation-Perfusion ratio. 3 8 5
5. Parkinson’s disease with treatment. 3 8 5
6. Classification of nerve fibres. 3 8 5
7. Heart Sounds. 3 8 5
8. Errors of refraction with correction. 3 8 5
9. Transport of oxygen in blood. 3 8 5
 10. Waves of EEG. 3 8 5
III. Short Answers on:
1. Reynold’s number. 1 5 2
2. Summation. 1 5 2
3. Herring - Breuer inflation reflex. 1 5 2
4. Taste receptor. 1 5 2
5. PR interval in ECG. 1 5 2
6. Chronaxie. 1 5 2
7. CSF formation. 1 5 2
8. Phasic changes in coronary circulation. 1 5 2
9. FEV1. 1 5 2
 10. Dopamine. 1 5 2
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