Human Hormones

Question 1

Corticotropin-releasing Factor (CRF)

Answer 1

Origin: Hypothalamus

-Stimulates ACTH release

Question 2

Gonadotropin-releasing factor (GnRF)

Answer 2

Origin: Hypothalamus

Stimulates FSH and LH release

Question 3

Thyrotropin-releasing factor (TRF)

Answer 3

Origin: Hypothalamus

Stimulates TSH release

Question 4

Growth hormone-releasing factor (GRF)

Answer 4

Origin: Hypothalamus

Stimulates growth hormone release

Question 5

Somatostatin

Answer 5

Origin: Hypothalamus

Inhibits growth hormone release

Question 6

Adrenocorticotropic hormone (ACTH)

Answer 6

Adenohypophysis

Stimulates the release of adrenocorticosteroids

Question 7

Follicle stimulating hormone (FSH)

Answer 7

Adenohypophysis

In ovaries, stimulates follicular development, ovulation, and estrogen synthesis; in testes, stimulates spermatogenesis

Question 8

Luteinizing hormone (LH)

Answer 8

Adenohypophysis
In ovaries, stimulates oocyte maturation and follicular synthesis of estrogens and progesterone; in testes, stimulates androgen synthesis

Question 9

Chorionic gonadotropin (CG)

Answer 9

Placenta

Stimulates progesterone release from the corpus luteum

Question 10

Thyrotropin (TSH)

Answer 10

Adenohypophysis

Stimulates T3 and T4 release

Question 11

Somatotropin (growth hormone)

Answer 11

Adenohypophysis

Stimulates growth and synthesis of somatomedins

Question 12

Vasopressin

Answer 12

Neurohypophysis

Stimulates water resorption by kidney and increases blood pressure

Question 13

Oxytocin

Answer 13

Neurohypophysis

-Stimulates uterine contractions

Question 14

Glucagon

Answer 14

Pancreas

-Stimulates glucose release through glycogenolysis and stimulates lipolysis

Question 15

Insulin

Answer 15

Pancreas

-Stimulates glucose uptake through gluconeogenesis, protein synthesis, and lipogenesis

Question 16

Gastrin

Answer 16

Stomach

Stimulates gastric acid and pepsinogen secretion

Question 17

Secretin

Answer 17

Intestine

Stimulates pancreatic secretion of HC03-

Question 18

Cholecystokinin (CCK)

Answer 18

Intestine

Stimulates gallbladder emptying and pancreatic secretion of digestive enzymes and HC03-

Question 19

Gastric inhibitory peptide (GIP)

Answer 19

Intestine

Inhibits gastric acid secretion and gastric emptying; stimulates pancreatic insulin release

Question 20

Parathyroid hormone

Answer 20

Parathyroid

Stimulates Ca2+ uptake from bone, kidney, and intestine

Question 21

Calcitonin

Answer 21

Thyroid

Inhibits Ca2+ uptake from bone and kidney

Question 22

Somatomedins

Answer 22

Liver

Stimulates cartilage growth; have insulin-like activity

Question 23

Glucocorticoids

Answer 23

Adrenal cortex

Affect metabolism in diverse ways, decrease inflammation, increase resistance to stress

Question 24

Mineralocorticoids

Answer 24

Adrenal cortex

Maintain salt and water balance

Question 25

Estrogens

Answer 25

Gonads | Maturation and function of secondary sex organs, particularly in females

Question 26

Androgens

Answer 26

Gonads | Maturation and function of secondary sex organs, particularly in males; male sexual differentiation

Question 27

Progestins

Answer 27

Ovaries and placenta | Mediate menstrual cycle and maintain pregnancy

Question 28

Vitamin D

Answer 28

Diet and sun | Stimulates Ca2+ absorption from intestine, kidney, and bone

Question 29

Epinephrine

Answer 29

Adrenal medulla Stimulates contraction of some smooth muscles and relaxes others, increases heart rate and blood pressure, stimulates glycogenolysis in liver and muscle, stimulates lipolysis in adipose tissue

Question 30

Norephinephrine

Answer 30

Adrenal medulla | Stimulates arteriole contraction, decreases peripheral circulation, stimulates lipolysis in adipose tissue

Question 31

Triiodothyronine (T3)

Answer 31

Thyroid | General metabolic stimulation

Question 32

Thyroxine (T4)

Answer 32

Thyroid | General metabolic stimulation