Match each item in Column I [Hormone] with one in Column II [Function] and select your answer from the codes given:
|
Column I |
Column II |
||
| A. |
ADH |
a. |
Makes collecting duct permeable to water and urea |
| B. |
PTH |
b. |
Stimulates osteoclasts |
| C. |
LH |
c. |
Rupture of Graafian follicle leading to ovulation |
| D. |
ANF |
d. |
Causes vasodilation |
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 |
Consider the functions given:
| I: | Stimulation of synthesis of androgens |
| II: | Regulation of spermatogenesis |
| III: | Induction of ovulation |
| IV: | Maintenance of corpus luteum |
The functions of LH will include:
| 1. | I, II and III only | 2. | I, III and IV only |
| 3. | II, III and IV only | 4. | I, II, III and IV |
The actions of adrenaline will include all the following except:
1. Piloerection
2. Pupilary dilation
3. Glycogenesis
4. Positive ionotropic and chronotropic effect on heart
The releasing hormones and inhibitory hormones secreted by hypothalamus reach anterior pituitary by:
| 1. | portal circulation | 2. | axons |
| 3. | general circulation | 4. | lymph |
| 1. | Gonadotropins | 2. | ACTH |
| 3. | Prolactin | 4. | Melatonin |
Identify the incorrectly matched pair:
| 1. | Hyposecretion of growth hormone in childhood | Dwarfism |
| 2. | Hyposecretion of growth hormone in adulthood | Cretinism |
| 3. | Hypersecretion of growth hormone in childhood | Gigantism |
| 4. | Hypersecretion of growth hormone in adulthood | Acromegaly |
Somatostatin from the hypothalamus:
| 1. | stimulates secretion of insulin and glucagon by pancreas |
| 2. | inhibits secretion of insulin and glucagon by pancreas |
| 3. | stimulates secretion of growth hormone from anterior pituitary |
| 4. | inhibits secretion of growth hormone from anterior pituitary |
Which of the following is not a feature characteristic of the anterior pituitary?
| 1. | It synthesizes and releases tropic hormones. |
| 2. | It is controlled by releasing and inhibiting hormones secreted from the hypothalamus. |
| 3. | It serves as the terminal end of the hypothalamo-hypophyseal tract. |
| 4. | Its hormones may influence other endocrine glands, that, in turn, secrete other hormones. |