Physiology Saq Mock April 09

Question 1. Describe renal compensation of acid base balance.

(10 marks)

Question 2. a) Explain briefly the various functions of functional residual capacity. (7 marks) b) Explain the changes on Functional Residual Capacity (FRC) that take place with the administration of anaesthesia (3 marks) Question 3. Write short note on a) G protein b) G protein coupled receptor

(5 marks) (5 marks)

Question 4. a) Describe changes of gastrointestinal physiology in pregnancy. (4 marks) b) Briefly outline calcium homeostasis. (6 marks)

Question 5. a) Regarding synaptic transmission: i) Describe EPSP and IPSP (2 marks) ii) Compare temporal summation and spatial summation of potentials. (2marks) b) Compare withdrawal reflex and stretch reflex. (6 marks) Question 6. Briefly describe the principles and sources of error in the measurement of systemic arterial blood pressure using an automated oscillometric non-invasive monitor. (10 marks)

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