KUHS First Professional MBBS Degree Examination 103001 February 2014 PHYSIOLOGY – Paper I Question Paper

103001 February 2014 PHYSIOLOGY – Paper I

Q.P. Code: 103001 Reg. no.: …………………
First Professional MBBS Degree Supplementary Examinations, February 2014
PHYSIOLOGY – Paper I
Time: 3 Hours Total Marks: 50
• Answer all questions
• Draw Diagrams wherever necessary
Long essay (10)1. A 40 years old man was admitted to hospital with complaints of difficulty in breathing
and shortness of breath following a head injury. Answer the following :
• With the help of diagrams describe two types of periodic breathing
• Explain the physiological basis for the changes in periodic breathing
• Describe the role of peripheral chemo receptors in regulation of normal respiration(3+2+5=10)Short essays (2×5 =10)2. Discuss the factors affecting cardiac output and add a note on Brainbridge reflex
3. Describe the counter current multiplier in the kidney
Answer briefly (5×3=15)4. Hypoxic hypoxia
5. Proteolytic pancreatic enzymes
6. Auto regulation of glomerlular filtration rate
7. First and second heart sounds
8. Gastric emptying time
Draw and label (2×2½ =5)9. Left Ventricular pressure changes recorded during a normal cardiac cycle
10. Effect of pH on the oxygen – hemoglobin dissociation curve
Explain the physiological basis of the following (5×2=10)11. Oxygen debt
12. Receptive relaxation
13. Prolonged standing results in fainting attacks
14. Prolonged action potential in cardiac muscle
15. Protective effect of vaccination
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