Q. No.The hormone involved in the response shown in the given figure:
I. is a peptide hormone.
II. is secreted by the kidneys.
III. helps the body absorb vitamin B 12 in the small intestine.
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
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| 1. | Somatostatin | 2. | Somatotropin |
| 3. | Insulin like Growth Factor | 4. | Somatomammotropin |
I. The glands located in the region A play a very important role in calcium homeostasis.
II. The gland B increases in size from puberty to adulthood and then decreases in size in old age.
III. C is both an endocrine and an exocrine gland.
IV. D is kidney and does not produce any hormone.
1. I and III only
2. II and IV only
3. I, II and III only
4. II, III and IV only
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I. A is the hormone secretin secreted by the intestinal mucosa in response to an acid rich chyme entering the duodenum.
II. B is cholecystokinin and like secretin, it is also an enterogastrone.
III. C is Gastrin.
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
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| 1 | 2 | 3 | 4 | |
| A | Atrial natriuretic peptide | EPO | Atrial natriuretic peptide | EPO |
| B | Vaso- constriction |
Vaso- dilation |
Vaso- dilation |
Vaso- constriction |
| C | Increase in blood pressure | Decrease in blood pressure | Decrease in blood pressure | Increase in blood pressure |
| D | Decrease in renin | Decrease in renin | Decrease in renin | Decrease in renin |
| E | Decrease in Angiotensin II and aldosterone | Decrease in Angiotensin II and aldosterone | Decrease in Angiotensin II and aldosterone | Decrease in Angiotensin II and aldosterone |
| F | Diuresis | Concentration of urine | Diuresis | Concentration of urine |
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I. FSH is hydrophilic and hence cannot enter the cell and therefore acts via a second messenger.
II. The second messenger will cause physiological responses after binding to a receptor present in the nucleus of the cells and then influencing the level of gene expression in the target cell.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
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I: In bone, PTH enhances the release of calcium from the large reservoir contained in the bones.
II: In the kidney, PTH stimulates reabsorption of calcium but inhibits the reabsorption of phosphate \((HPO^{2-}_4)\) from the tubular fluid.
III. It activates vitamin D, which in turn enables intestinal epithelium to absorb calcium.
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
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| 1. Calcium | 2. Iron |
| 3. Iodine | 4. Zinc |
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| 1. Addison’s disease | 2. Hashimoto’s disease |
| 3. Gull’s disease | 4. Conn’s syndrome |
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I. It is due to the sudden release of adrenaline and nor-adrenaline in our body.
II. The other effects likely to be seen are bronchodilation, a dilation of blood vessels in skeletal muscle and heart and inhibition of gastrointestinal functions.
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
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