1

2

Answer: d. into the blood

3

Answer: b. glucagon

4

Answer: c. Hypersecretion; hGH; adulthood

5

Answer: d. thyroxine

6

Answer: a. a receptor

7

Answer: d. all of the above are common disorders

8

Answer: d. negative feedback

9

Answer: c. thyroxine

10

Answer: c. hyperthyroidism

11

Answer: d. Adrenal cortex hormones

12

Answer: a. PTH

13

Answer: d. Epinephrine

14

Answer: d. isthmus

15

Answer: a. cortisol

16

Answer: a. adrenal medulla

17

Answer: d. Melatonin . . . pineal

18

Answer: b. thymosin

19

Answer: a. GH

20

Answer: b. Beta cells of the Islets of Langerhans

21

Answer: b. thymus

22

Answer: a. Negative feedback

23

Answer: c. hypothalamus

24

Answer: a. adrenal cortex… gonads