Hormones Questions Set 2

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

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

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

4. Epinephrine is rapidly metabolized by :

5. Catecholamine hormones are synthesized in the :

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

7. The most important effect of aldosterone is to :

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

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

10. Melanogenesis is stimulated by :

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

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

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

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

15. For Catecholamine biosynthesis the rate
limiting enzyme is :

16. Aldosterone release is stimulated by :

17. Catecholamine hormones are :

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

19. Pheochromocytomas are tumours of :

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

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

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

23. The plasma level of epinephrine is less than :

24. ADH :

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