Exercise 27 — Endocrine System Overview

Question 1

Answer 1

Question 2

Answer 2

Question 3

Answer 3

Question 4

Answer 4

Question 5

second major control system of body

Answer 5

endocrine

Question 6

cells that respond to a specific hormone

Answer 6

target cells

Question 7

hypophysis

Answer 7

pituitary gland

Question 8

located in the sella turcica of sphenoid

Answer 8

pituitary gland

Question 9

3 parts of pituitary gland

Answer 9

infundibulum

adenohypophesis (anterior)

neurohypophysis (posterior)

Question 10

tropic hormones target…

Answer 10

another endocrine gland

Question 11

major controller of endocrine glands

Answer 11

hypothalamus

Question 12

hypothalamic hormones reach pituitary through the _____ _____ _____

Answer 12

hypophyseal portal system

Question 13

posterior pituitary acts as a storage area for 2 ________

Answer 13

neurohormones

Question 14

major endocrine product of pineal gland

Answer 14

melatonin

Question 15

melatonin is ________ at noon, and ________ at night

Answer 15

lowest

highest

Question 16

gland overlying the heart

Answer 16

thymus

Question 17

the thymus is ________ as an infant and _______ at puberty

Answer 17

conspicuous; atrophies

Question 18

products of thymus

Answer 18

thymulin

thymosins

thymopoietins

Question 19

directly controlled by sympathetic nervous system

Answer 19

adrenal glands

Question 20

chromaffin cells of adrenal medulla produce ____ epinephrine and ____ norepinephrine

Answer 20

80%

20%