Hormones Questions Set 2

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

2. Pheochromocytomas are tumours of :

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

4. For Catecholamine biosynthesis the rate
limiting enzyme is :

5. The plasma level of epinephrine is less than :

6. Catecholamine hormones are :

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

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

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

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

11. Epinephrine is rapidly metabolized by :

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

13. The most important effect of aldosterone is to :

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

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

16. ADH :

17. Aldosterone release is stimulated by :

18. Catecholamine hormones are synthesized in the :

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

20. 3-β-Hydroxysteroid dehydrogenase and
∆5,4 isomerase catalyse the conversion of
the weak androgen DHEA to :

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

22. Melanogenesis is stimulated by :

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

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

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