MBM 2102
NATIONAL UNIVERISTY OF SCIENCE AND TECHNOLOGY
FACULTY OF MEDICINE
BACHELOR OF MEDICINE AND BACHELOR OF SURGERY DEGREE
PART 2 EXAMINATIONS
MBM 2102 : HORMONAL REGULATION
DATE : MAY 2006
TIME : 3 HOURS
Instructions to Candidates
Answer all questions
SECTION A
1. Compare and contrast the general mechanism of action of peptide hormones and
steroid hormones. (20)
2. “Signalling systems have various mechanisms of “switching off” the signal”.
Discuss this statement with reference to the neurotransmitters acetylcholine and
serotonin as well as the hormones adrenaline and glucagon. (20)
3. Outline the regulated synthesis of the thyroid hormones and explain their
metabolic effects. (20)
SECTION B
4. Diagrammatically illustrate the metabolic shifts that characterise pregnancy.(4)
5. Explain the weight loss that typifies the following conditions:
(a) cancer cachexia (4)
(b) anorexia nervosa (4)
(c) sustained exercise. (4)
Page 1 of 1
NATIONAL UNIVERISTY OF SCIENCE AND TECHNOLOGY
FACULTY OF MEDICINE
BACHELOR OF MEDICINE AND BACHELOR OF SURGERY DEGREE
PART 2 EXAMINATIONS
MBM 2102 : HORMONAL REGULATION
DATE : MAY 2006
TIME : 3 HOURS
Instructions to Candidates
Answer all questions
SECTION A
1. Compare and contrast the general mechanism of action of peptide hormones and
steroid hormones. (20)
2. “Signalling systems have various mechanisms of “switching off” the signal”.
Discuss this statement with reference to the neurotransmitters acetylcholine and
serotonin as well as the hormones adrenaline and glucagon. (20)
3. Outline the regulated synthesis of the thyroid hormones and explain their
metabolic effects. (20)
SECTION B
4. Diagrammatically illustrate the metabolic shifts that characterise pregnancy.(4)
5. Explain the weight loss that typifies the following conditions:
(a) cancer cachexia (4)
(b) anorexia nervosa (4)
(c) sustained exercise. (4)
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