- 1(current)
Q. No.All the following statements regarding parathyroid hormone are correct except:
| 1. | It is a peptide hormone |
| 2. | It is regulated by a tropin secreted by anterior pituitary |
| 3. | It stimulates the process of bone resorption or demineralization |
| 4. | It stimulates calcium absorption from the digested food |
Subtopic: Â Parathyroid |
 78%
Level 2: 60%+
Hints
All the following regarding parathyroid glands are true except:
| 1. | They usually include four small glands. |
| 2. | They are embedded in the posterior surfaces of the lateral lobes of the thyroid gland. |
| 3. | They secrete parathyroid hormone and calcitonin. |
| 4. | They play a critical role in calcium homeostasis. |
Subtopic: Â Thyroid Gland Part I |Â Parathyroid |
 69%
Level 2: 60%+
Hints
Which one of the following pairs correctly matches a hormone with a disease resulting from its deficiency?
| 1. Relaxin-Gigantism | 2. Prolactin-Cretinism |
| 3. Parathyroid hormone-Tetany | 4. Insulin-Diabetes insipidus |
Subtopic: Â Parathyroid |
 80%
Level 1: 80%+
Hints
Consider the given two statements:
1. Both I and II are correct
2. Both I and II are incorrect
3. I is correct but II is incorrect
4. I is incorrect but II is correct
| I: | PTH is a hypercalcaemic hormone. |
| II: | PTH stimulates reabsorption of calcium by the renal tubules. |
1. Both I and II are correct
2. Both I and II are incorrect
3. I is correct but II is incorrect
4. I is incorrect but II is correct
Subtopic: Â Parathyroid |
 86%
Level 1: 80%+
Hints
What will be true for the effects of parathyroid glands on the tissues shown in the given diagram?
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
| 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
Subtopic: Â Parathyroid |
 62%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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