This is a Human Physiology exam paper. Please specify which question you would like me to answer. Here are the questions from the paper: 1. Describe the following: a. Properties of nerve fibres and Action potential in nerve fibres. (7 marks) b. Leucocytes and differential White Cell Count. (7 marks) c. Rhesus incompatibility. (6 marks) 2. Give concise accounts of the following: a. Sensorineural and conductive deafness and list possible causes of each. (10 marks) b. The visual pathway of the eye. (10 marks) 3. Write short notes on: a. Events of the cardiac cycle. (10 marks) b. A normal electrocardiogram. (10 marks) 4. Discuss the following: a. The lung volumes and capacities, with the aid of a suitable diagram. (10 marks) b. The Counter-current multiplier mechanism of the nephron. (10 marks) 5. Give detailed accounts of the following: a. Mechanisms of Hormone action. (6 marks) b. Metabolic effects of Growth Hormone. (7 marks) c. Spermatogenesis. (7 marks) 6. Explain the following: a. What is the fate of a piece of fried chicken in the body? (10 marks) b. The physiology of gastric juice: secretion, composition, functions and regulation. (10 marks) 7. Write concisely on: a. Ovarian and uterine changes during the menstrual cycle. (10 marks) b. Physiology of the hypothalamus. (10 marks)