Q. No.Both cortisol and adrenaline are secreted in response to stress. Which of the following statements is true for both of these hormones?
1. They are secreted within seconds of the onset of the stress.
2. They are secreted by adrenal cortex.
3. Their secretion is stimulated by adrenocorticotropin.
4. They act to increase blood glucose.
1. They are secreted within seconds of the onset of the stress.
2. They are secreted by adrenal cortex.
3. Their secretion is stimulated by adrenocorticotropin.
4. They act to increase blood glucose.
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ACTH controls the secretion of ........................
| 1. Cortisol | 2. Aldosterone |
| 3. Epinephrine | 4. Testosterone |
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
| Assertion (A): | For steroid or thyroid hormones, their receptors are located inside the cell of the target cell. |
| Reason (R): | To bind their receptors, these hormones must first cross the cell membrane. |
In the light of the above statements choose the correct answer from the options given below:
| 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. |
| Assertion (A): | Stress induces the secretion of cortisol in human body. |
| Reason (R): | Cortisol increases blood glucose level needed to combat stress. |
In the light of the above statements choose the correct answer from the options given below:
| 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. |
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
| Assertion (A): | Pancreatic hormones are unique as they are transported by the duct of the exocrine pancreas. |
| Reason (R): | The same tissue in the pancreas has both exocrine and endocrine functions. |
In the light of the above statements choose the correct answer from the options given below:
| 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. |
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R):
| Assertion (A): | PTH raises the blood calcium level by indirectly regulating its absorption in the intestine. |
| Reason (R): | PTH converts inactive form of vitamin D to its active form in the skin in the presence of sunlight. |
In the light of the above statements choose the correct answer from the options given below:
| 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. |
In a child of 15 years age, plasma calcium level is diagnosed below optimum level. Which organ is malfunctioning?
| 1. | Thyroid gland | 2. | Liver |
| 3. | Parathyroid | 4. | Posterior lobe of pituitary |
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Select the correct statement about hormones and their actions.
1. Parathyroid hormone increases absorption of the body.
2. Insulin and glucagon help to maintain blood sugar levels.
3. Old aged people have weak immunity due to increased activity of thymus.
4. Osteoporosis in women occurs due to increased levels of oestrogens.
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A health disorder that results from the deficiency of thyroxine in adults and characterized by
(i) a low metabolic rate
(ii) increase in body weight
(iii) tendency to retain water in tissues is
| 1. hypothyroidism | 2. simple goitre |
| 3. myxoedema | 4. cretinism |
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Match the source gland with its respective hormone as well as the function.
| Source gland | Hormone | Function | |
| 1. | Posterior pituitary | Vasopressin | Stimulates resorption of water in the distal tubules in nephron |
| 2. | Corpus luteum | Oestrogen | Supports pregnancy |
| 3. | Thyroid | Thyroxine | Regulates blood calcium level |
| 4. | Anterior pituitary | Oxytocin | Contraction of uterus muscles during child birth |
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