Q. No.Which of the following endocrine glands is under direct neural regulation of hypothalamus?
1. Pineal
2. Adrenal medulla
3. Posterior pituitary
4. Anterior pituitary
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The releasing hormones and inhibitory hormones secreted by hypothalamus reach anterior pituitary by:
| 1. | portal circulation | 2. | axons |
| 3. | general circulation | 4. | lymph |
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Match each item in Column I [Hormone] with one in Column II [Chemical class] and select your answer from the codes given:
|
Column I |
|
Column II |
|
|
A. |
ACTH |
a. |
Peptide |
|
B. |
Estradiol |
b. |
Steroid |
|
C. |
Thyroxine |
c. |
Amino-acid derived |
|
D. |
Epinephrine |
d. |
Iodothyronine |
Codes
| A | B | C | D | |
| 1. | a | b | c | d |
| 2. | a | b | d | c |
| 3. | b | a | d | c |
| 4. | b | a | c | d |
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Graves’ disease is characterized by all the following except:
| 1. | Exopthalmos | 2. | Tachycardia |
| 3. | Toxic goiter | 4. | Weight gain |
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Thymus:
I. is located ventral to the heart/aorta
II. plays a major role in differentiation of T-lymphocytes
III. promotes production of antibodies
IV. enlarges with age
1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
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The function of aldosterone is mainly:
1. reabsorption of sodium and water at distal renal tubules
2. growth of axial, pubic and facial hair
3. vasodilation leading to polyuria
4. mobilization of metabolites for energy
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In males, androgens like testosterone secreted by Leydig cells in testes do not:
1. regulate the development, maturation and functions of the male accessory sex organs
2. control the development and regulation of the secondary sexual characters
3. play a major stimulatory role in the process of spermatogenesis
4. produce catabolic effects on protein and carbohydrate metabolism
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The functions of glucagon do not include:
1. Glycogenolysis
2. Gluconeogenesis
3. Increased cellular glucose uptake
4. Decreased cellular glucose utilization
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The functions regulated or influenced by thyroid glands in humans include all except:
| 1. | basal metabolic rate | 2. | erythropoeisis |
| 3. | water and electrolyte balance | 4. | sleep wakefulness cycle |
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Which of the following cannot be regarded as a main function of cortisol?
1. Increased blood sugar by gluconeogenesis
2. Lipolysis, proteolysis and decreased uptake of amino acids by body cells
3. Regulation of water and minerals in the body
4. Suppression of inflammation and immunity
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