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Q. No.Aldosterone:
I:
is a steroid
II:
acts on target cells through a second messenger
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 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 |
 60%
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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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 |
 65%
Level 2: 60%+
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Which of the following is not a function of thyroid hormones?
| 1. | Regulation of metabolic rate |
| 2. | Promotion of calcium absorption in the intestines |
| 3. | Stimulation of protein synthesis |
| 4. | Increase in oxygen consumption and energy expenditure |
Subtopic: Â Thyroid Gland Part I |
Level 3: 35%-60%
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Consider the given two statements:
| Assertion (A): | The hypothalamus secretes releasing hormones that directly stimulate the anterior pituitary to secrete its own specific hormones. |
| Reason (R): | The anterior pituitary secretes hormones into the bloodstream that act directly on the hypothalamus to inhibit further hormone secretion. |
| 1. | Both (A) and (R) are True and (R) correctly explains (A) |
| 2. | Both (A) and (R) are True and (R) does not correctly explain (A) |
| 3. | (A) is True, (R) is False |
| 4. | (A) is False, (R) is False |
Subtopic: Â Adenohypophysis & Hypothalamus |
Level 3: 35%-60%
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Functions of the thyroid gland include:
1. Regulation of calcium levels in the blood.
2. Production of insulin and glucagon.
3. Regulation of metabolic rate and calcium balance.
4. Regulation of metabolic rate and synthesis of proteins.
1. Regulation of calcium levels in the blood.
2. Production of insulin and glucagon.
3. Regulation of metabolic rate and calcium balance.
4. Regulation of metabolic rate and synthesis of proteins.
Subtopic: Â Thyroid Gland Part I |
Level 4: Below 35%
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Consider the given two statements:
| Assertion (A): | The thyroid gland secretes thyroxine, which regulates metabolic rate. |
| Reason (R): | Thyroid hormones are crucial for normal growth and development in children. |
| 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. | (A) is False but (R) is True. |
Subtopic: Â Thyroid Gland Part I |
 63%
Level 2: 60%+
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In which of the following processes does oxytocin not play a significant role?
| 1. | Stimulation of uterine contractions during childbirth (parturition) |
| 2. | Regulation of milk production in lactating mothers |
| 3. | Promotion of social bonding and trust |
| 4. | Regulation of blood pressure |
Subtopic: Â Prolactin & Posterior Pituitary |
 54%
Level 3: 35%-60%
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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 |
 56%
Level 3: 35%-60%
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