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Q. No.Given below are two statements:
Assertion (A):
Hypothalamus is connected to the posterior lobe of the pituitary by hypophyseal portal veins
Reason (R):
The hypophyseal portal arteries carry blood from the hypothalamus to the neurohypophysis
1.
Both (A) and (R) are True and (R) is the correct explanation of (A).
2.
Both (A) and (R) are True but (R) is not the correct explanation of (A).
3.
(A) is True but (R) is False.
4.
Both (A) and (R) are False.
Subtopic: Â Adenohypophysis & Hypothalamus |
 59%
Level 3: 35%-60%
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Mrs. 'Y' is a woman of 45 years she is suffering from osteoporosis. Which of the following hormone can be given to her in order to improve her condition?
1. Parathyroid hormone
2. Progesterone
3. Triiodothyronine
4. Thyrocalcitonin
1. Parathyroid hormone
2. Progesterone
3. Triiodothyronine
4. Thyrocalcitonin
Subtopic: Â Thyroid Gland Part I |Â Thyroid Gland Part II |
 55%
Level 3: 35%-60%
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Consider the given two statements:
1. Statement I is incorrect; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | A hypothalamic hormone called Gonadotrophin releasing hormone (GnRH) stimulates the synthesis and release of gonadotrophins by gonads. |
| Statement II: | Somatostatin from the hypothalamus stimulates the release of growth hormone from the pituitary. |
2. Statement I is correct; Statement II is incorrect
3. Statement I is correct; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Â Gonadotropin & Gonadal Hormones |
Level 3: 35%-60%
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How many of the given statements are correct:
| I: | Thyroid hormones play an important role in the regulation of the basal metabolic rate. |
| II: | Thyroid hormones are most important factors that affect the process of red blood cell formation. |
| III: | Thyroid hormones control the metabolism of carbohydrates but not of proteins and fats. |
| IV: | Maintenance of water and electrolyte balance is also influenced by thyroid hormones. |
| 1. | 1 | 2. | 2 |
| 3. | 3 | 4. | 4 |
Subtopic: Â Thyroid Gland Part I |Â Thyroid Gland Part II |
Level 4: Below 35%
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Consider the two statements:
| Assertion(A): | Adrenaline and noradrenaline are called emergency hormones or hormones of Fight or Flight. |
| Reason(R): | Adrenaline and noradrenaline are monoamine neurotransmitters. |
| 1. | (A) is True; (R) is False |
| 2. | Both (A) and (R) are True but (R) does not correctly explain (A) |
| 3. | Both (A) and (R) are True and (R) correctly explains (A) |
| 4. | (A) is False; (R) is True |
Subtopic: Â Adenohypophysis & Hypothalamus |Â Adrenal Medulla |
 55%
Level 3: 35%-60%
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Aldosterone:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | is a steroid |
| II: | acts on target cells through a second messenger |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Â Mechanism of Hormone Action |Â Adrenal Cortex: Aldosterone |
 59%
Level 3: 35%-60%
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Thymus:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | is located dorsal to aorta. |
| II: | regresses in size with age. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Â Thymus |
 61%
Level 2: 60%+
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An excess secretion of aldosterone in the human body is expected to lead to:
| I: | an increase in potassium ion concentration in plasma |
| II: | an increase in the blood pressure |
| 1. | Only I is correct |
| 2. | Only II is correct |
| 3. | Both I and II are correct |
| 4. | Both I and II are incorrect |
Subtopic: Â Adrenal Cortex: Aldosterone |
Level 3: 35%-60%
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Aldosterone acts mainly at renal tubules and stimulates the:
| 1. | Reabsorption of Na+ and K+ |
| 2. | Excretion of Na+ and K+ |
| 3. | Excretion of K+ and phosphate ions |
| 4. | Reabsorption of Na+ and phosphate ions |
Subtopic: Â Adrenal Cortex: Aldosterone |
Level 3: 35%-60%
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How do the neurohormones, oxytocin and antidiuretic hormone, reach the posterior pituitary?
1. By a portal vein
2. By a lymphatic vessel
3. By diffusion from the anterior pituitary gland
4. By axons
1. By a portal vein
2. By a lymphatic vessel
3. By diffusion from the anterior pituitary gland
4. By axons
Subtopic: Â Prolactin & Posterior Pituitary |
 66%
Level 2: 60%+
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