- 1(current)
Q. No.Which of the following clinical feature is unlikely to be seen in hypothyroidism?
1. A decrease in basal metabolic rate
2. Mental retardation and growth retardation of baby if pregnant female is affected
3. Exopthalmic goiter
4. Irregular menstrual cycles in adult women
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| 1. | Hyposecretion of growth hormone in adults | Acromegaly |
| 2. | Lack of insulin | Diabetes insipidus |
| 3. | Hyperthyroidism | Graves’ disease |
| 4. | Hypocortisolism | Cushing’s disease |
Thyroxine and triiodothyronine:
1. are synthesized by stratified cuboidal epithelial cells called follicular cells
2. are very soluble in water and therefore easily soluble in the bloodstream
3. are synthesized and secreted by parafollicular cells
4. are ultimately formed from the amino acid, L-tyrosine
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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A young child shows stunted growth and mental retardation. You would like to check the levels of:
| 1. Thyroxin | 2. Somatotropin |
| 3. Insulin | 4. Melatonin |
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One of the reasons for iodine to be a part of a balanced diet would be:
1. Iodine is needed for an enzyme that facilitates the synthesis of thyrotropin-releasing hormone (TRH).
2. The thyroid gland cannot produce thyroxine without iodine, which leads to the goiter condition.
3. Iodine is necessary for the proper functioning of the thyroid, adrenals and pancreas.
4. The iodine is needed for positive feedback to the hypothalamus and the anterior pituitary to stimulate the thyroid to produce more thyroxine. This in turn prevents the goiter condition.
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Dwarfism can be caused by the deficiency, during childhood, of:
| I. | Growth hormone |
| II. | Thyroid hormones |
| 1. | Only I and the dwarf will have normal mental development |
| 2. | Only II and the dwarf will also be mentally retarded |
| 3. | Both I and II and in both cases the mental development will be affected |
| 4. | Both I and II and mental development will be effected only in II. |
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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A person has weight loss, nervousness, tachycardia and intolerance to heat. He may be suffering from:
| 1. hypothyroidism | 2. diabetes |
| 3. cretinism | 4. hyperthyroidism |
- 1(current)
Q. No.
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