Q. No.Glucocorticoids are characterized by all except:
1. Glucocorticoids stimulate the breakdown of muscle proteins into amino acids.
2. Cortisol is a glucocorticoid.
3. Glucocorticoids stimulate the pancreas to produce the enzymes needed for gluconeogenesis.
4. Glucocorticoids are released during times of stress.
1. Glucocorticoids stimulate the breakdown of muscle proteins into amino acids.
2. Cortisol is a glucocorticoid.
3. Glucocorticoids stimulate the pancreas to produce the enzymes needed for gluconeogenesis.
4. Glucocorticoids are released during times of stress.
Melatonin:
1. levels decrease in darkness and increase in daylight.
2. is secreted by the hypothalamus.
3. is secreted by the pineal gland under the control of the anterior pituitary.
4. is secreted by the pineal gland under the control of the hypothlamus.
A temporary endocrine gland in the human body is?
| 1. pineal gland | 2. corpus cardiacum |
| 3. corpus luteum | 4. corpus allatum |
GnRH, a hypothalamic hormone, needed in reproduction, acts on the
1. anterior pituitary gland and stimulates secretion of LH and oxytocin
2. anterior pituitary gland and stimulates secretion of LH and FSH
3. posterior pituitary gland and stimulates secretion of oxytocin and FSH
4. posterior pituitary gland and stimulates secretion of LH and relaxin
The posterior pituitary gland is not a ‘true’ endocrine gland because
1. it is provided with a duct
2. it only stores and releases hormones
3. it is under the regulation of hypothalamus
4. it secretes enzymes
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Select the answer which correctly matches the endocrine gland with the hormone it secretes and its function/deficiency symptom
| Endocrine gland | Hormone | Function/deficiency symptoms | |
| 1. | Anterior pituitary | Oxytocin | Stimulates uterus contraction during child birth |
| 2. | Posterior pituitary | Growth Hormone (GH) | Over-secretion stimulates abnormal growth |
| 3. | Thyroid gland | Thyroxine | Lack of iodine |
| 4. | Corpus luteum | Testosterone | Stimulates spermatogenesis |
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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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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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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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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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