Q. No.The definition of hormone describes them as having all the following features except:
1. non-nutrient chemicals
2. intra-cellular messengers
3. produced in trace amounts
4. act on distant target organ
| Assertion (A): | Apart from the organised endocrine glands, hormones are secreted by other parts of the human body as well. |
| Reason (R): | Hormone is any non-nutrient chemical which acts as intercellular messenger and is produced in trace amounts. |
| 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. |
Identify the incorrectly matched pair:
|
1. |
Hyposecretion of growth hormone in childhood |
Dwarfism |
|
2. |
Hyposecretion of growth hormone in adulthood |
Cretinism |
|
3. |
Hypersecretion of growth hormone in childhood |
Gigantism |
|
4. |
Hypersecretion of growth hormone in adulthood |
Acromegaly |
The only hormone secreted by pars intermedia of hypophysis is:
| 1. MSH | 2. GnRH |
| 3. Vasopressin | 4. Prolactin |
ADH and oxytocin are synthesized by:
| 1. Anterior pituitary | 2. Hypothalamus |
| 3. Pars intermedia | 4. Pars nervosa |
Which of the following endocrine glands is under direct neural regulation of hypothalamus?
| 1. Pineal | 2. Adrenal medulla |
| 3. Posterior pituitary | 4. Anterior pituitary |
The releasing hormones and inhibitory hormones secreted by hypothalamus reach anterior pituitary by:
| 1. | portal circulation | 2. | axons |
| 3. | general circulation | 4. | lymph |
Graves’ disease is characterized by all the following except:
| 1. | Exopthalmos | 2. | Tachycardia |
| 3. | Toxic goiter | 4. | Weight gain |
Thymus:
| I: | is located ventral to the heart/aorta |
| II: | plays a major role in differentiation of T-lymphocytes |
| III: | promotes production of antibodies |
| IV: | enlarges with age |
1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
The function of aldosterone is mainly:
| 1. | reabsorption of sodium and water at distal renal tubules |
| 2. | growth of axial, pubic and facial hair |
| 3. | vasodilation leading to polyuria |
| 4. | mobilization of metabolites for energy |
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