Hormones Questions Set 2

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

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

3. Epinephrine is rapidly metabolized by :

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

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

6. Melanogenesis is stimulated by :

7. For Catecholamine biosynthesis the rate
limiting enzyme is :

8. The most important effect of aldosterone is to :

9. Aldosterone release is stimulated by :

10. Pheochromocytomas are tumours of :

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

12. Catecholamine hormones are synthesized in the :

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

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

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

16. 3-β-Hydroxysteroid dehydrogenase and
∆5,4 isomerase catalyse the conversion of
the weak androgen DHEA to :

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

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

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

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

21. Catecholamine hormones are :

22. ADH :

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

24. The plasma level of epinephrine is less than :

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