Q. No.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
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 |
The releasing hormones and inhibitory hormones secreted by hypothalamus reach anterior pituitary by:
| 1. | portal circulation | 2. | axons |
| 3. | general circulation | 4. | lymph |
| I: | Prolactin regulates the growth of the mammary glands and formation of milk in them. |
| II: | TSH stimulates the synthesis and secretion of thyroid hormones from the thyroid gland. |
| III: | ACTH stimulates the synthesis and secretion of aminated hormones called catecholamines from the adrenal cortex. |
| IV: | LH and FSH stimulate growth of accessory sex organs and hence are called gonadotrophins. |
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
Hormonal control of the secretion of digestive juices is carried out by local hormones produced by the gastric mucosa and intestinal mucosa. Which of the following hormones stimulates gall bladder to contract?
1. gastrin
2. cholecystokinin
3. secretin
4. gastric inhibitory peptide
| 1. | Diabetes mellitus | 2. | Diabetes insipidus |
| 3. | Pituitary diabetes | 4. | Adrenal diabetes |
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 |
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 |
| 1. | It leads to the generation of a second messenger in the target cell. |
| 2. | It makes the target cell's plasma membrane freely permeable to all cations. |
| 3. | It enters the cell and alters the gene expression. |
| 4. | It digests holes in the cell's plasma membrane. |
1. Gastrin
2. Secretin
3. Cholecystokinin (CCK)
4. Ghrelin
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