Q.P. Code: 103001
First Professional MBBS Degree Examinations July 2017
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PHYSIOLOGY – Paper I
Time: 3 Hours Total Marks: 50
- Answer all questions
- Draw Diagrams wherever necessary
Long essay (10)
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- A 60 years old man complaints of chest pain on exertion, radiating to his left arm and severe shortness of breath. Answer the following:
- What is the most probable condition he is suffering from.
- Mention the most common investigation done in such a patient and describe with the help of a normal diagram the changes that are expected in this
- What are the functional features of coronary circulation. (1+5+4=10)
Short essays (2x5 =10)
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- Describe the neural control of respiration and add a note on Cheyne stokes breathing
- Explain the mechanisms of water re-absorption in renal tubule
Answer briefly (5x3=15)
- Peristaltic movements
- Primary active transport
- Starling's forces in capillary fluid exchange
- Control of gastric secretion
- Role of lymphocytes in immunity
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Draw and label (2x2½ =5)
- Spirometric recording of lung volumes
- Cystometrogram in a normal human
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Explain the physiological basis of the following (5x2=10)
- Entero-hepatic circulation
- Resting bradycardia in athletes
- Lung alveoli are dry normally
- Decompression sickness
- Megaloblasts in vitamin B12 deficiency anemia
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