Q. No.Being a nanopeptide, Oxytocin is closely related chemically to:
1. antidiuretic hormone
2. prolactin
3. melatonin
4. luteinizing hormone
1. antidiuretic hormone
2. prolactin
3. melatonin
4. luteinizing hormone
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The basal metabolic rate is most significantly influenced by:
| 1. thyroxine | 2. cortisone |
| 3. adrenaline | 4. melatonin |
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All the following would be true for thyroxin except:
1. needed for normal mental growth
2. increases carbohydrate utilization
3. decreases lipid synthesis
4. decreases protein synthesis
The thyroid hormone that has the most potent effect on increasing metabolic rate would be:
1. thyroxine
2. thyroglobulin
3. triiodothyronine
4. thyrocalcitonin
The autoimmune disorder, Graves disease, is characterized by all the following except:
1. exophthalmos
2. a positive autoimmune test
3. general edema
4. intolerance to heat
The hypersecretion of which of the following endocrine glands can sometimes be corrected by radioactive iodine uptake?
1. pineal
2. thyroid
3. testes
4. pituitary
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The most active form of vitamin D is:
1. 7-dehydrocholesterol
2. 25 hydroxycholecalciferol
3. 2 cholecalciferol
4. 1, 25 dihydroxycholecalciferol
All the following would be true for the mineralocorticoid, aldosterone, except:
1. secreted from the zona glomerulosa
2. decreases blood Na+ levels
3. stimulated by angiotensin II
4. raises blood volume
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Cushing's syndrome is characterized by all the following except:
1. moon face and buffalo hump
2. under-secretion of ACTH
3. easy bruising
4. hyperglycemia
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