Hormones Questions Set 2

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Biochemistry (Hormones Set 2)

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1. The sequential steps in the conversion of
tyrosine to epinephrine are :

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2. Increased reabsorption of water from the
kidney is the major consequence of the
secretion of the hormone :

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3. One of the potent stimulators of aldosterone secretion is :

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4. Epinephrine is rapidly metabolized by :

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5. Catecholamine hormones are synthesized in the :

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6. In the biosynthesis of cortiols, the sequence of enzymes involved is :

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7. The most important effect of aldosterone is to :

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8. The hormone required for uterine muscle
contraction for child birth is :

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9. The defect in adrenal cortex responsible
for lack of glucocorticoids and mineralcorticoids is :

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10. Melanogenesis is stimulated by :

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11. A hormone which cannot cross the blood brain barrier is :

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12. 3-β-Hydroxysteroid dehydrogenase and
∆5,4 isomerase catalyse the conversion of
the weak androgen DHEA to :

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13. Vasopressin and oxytocin circulate unbound to proteins and have very short
plasma half lives, on the order of :

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14. The number of amino acids in the hormone oxytocin is  :

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15. For Catecholamine biosynthesis the rate
limiting enzyme is :

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16. Aldosterone release is stimulated by :

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17. Catecholamine hormones are :

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18. In the resting state plasma concentration of cortisol is :

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19. Pheochromocytomas are tumours of :

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20. In the rennin-angiotensin system the
primary hormone is :

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21. In the synthesis of Angiotensin I, rennin
acts on Angiotensinogen and cleaves the :

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22. An increase in the osmolality of extracellular compartment will :

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23. The plasma level of epinephrine is less than :

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24. ADH :

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25. The number of amino acids in antidiuretic hormone is :

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