Download KUHS MBBS First Year 2012 Aug 103001 Physiology Paper I Question Paper

Code: 103001 Reg. no.: .........................

First Professional MBBS Degree Examinations, August 2012

PHYSIOLOGY - Paper I

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Time: 3 Hours Total Marks: 50

• Answer all questions
• Draw Diagrams wherever necessary

Long essay (10)

1. A 60year old man presented with acute retro sternal chest pain radiating to the inner aspect of left arm. The ECG showed ST segment elevation in some of the leads.
   • What is the most probable diagnosis

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   • What are the other ECG changes that may occur in this condition
   • Explain the leads used in recording ECG
   • With the help of a diagram describe the waves, intervals and segments of normal ECG recording in Lead I (1+1+2+6=10)

Short essays (2x5 =10)

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2. Describe the mechanism of water re-absorption from the different parts of the renal tubules
3. Explain the neural regulation of respiration

Answer briefly (5x3=15)

4. Peptic ulcer
5. Rh blood group system

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6. Micturition reflex
7. Hypoxia
8. Hypovolemic shock

Draw and label (2x2½=5)

9. O₂-Hb dissociation curve

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10. Pacemaker potential

Explain the physiological basis of the following (5x2=10)

11. Clotting occurs when blood is kept in a glass tube
12. Steatorrhoea occurs after pancreatectomy.
13. Alveoli do not collapse during expiration

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14. Anemia is seen in patients with renal disease
15. Edema in hypoproteinemia

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