hormones

Question 1

From what gland is TRH secreted and what does it do?

Answer 1

Hypothalamus

Stimulates secretion of TSH and prolactin

Question 2

From what gland is CRH secreted and what does it do?

Answer 2

hypothalamus

stimulates secretion of growth hormone

Question 3

From what gland is GnRH secreted and what does it do?

Answer 3

hypothalamus

stimulates secretion of LH and FSH

Question 4

From what gland is somatostatin secreted and what does it do?

Answer 4

hypothalamus

inhibits secretion of growth hormone

Question 5

From what gland is dopamine secreted and what does it do?

Answer 5

hypothalamus

inhibits secretion of prolactin

Question 6

From what gland is TSH secreted and what does it do?

Answer 6

anterior pituitary

stimulates synthesis and secretion of thyroid hormones

Question 7

From what gland is FSH secreted and what does it do?

Answer 7

anterior pituitary

Stimulates sperm maturation in sertoli cells of testes
Stimulates follicular development and estrogen synthesis in ovaries

Question 8

From what gland is LH secreted and what does it do?

Answer 8

anterior pituitary

stimulates testosterone synthesis in Leydig cells of testes
Stimulates ovulation, formation of corpus luteum, estrogen and progesterone synthesis in ovaries

Question 9

From what gland is ACTH secreted and what does it do?

Answer 9

anterior pituitary

stimulates synthesis and secretion of adrenal cortical hormones

Question 10

From what gland is MSH secreted?

Answer 10

anterior pituitary

Question 11

From what gland is growth hormone secreted and what does it do?

Answer 11

anterior pituitary

stimulates protein synthesis and overall growth

Question 12

From what gland is prolactin secreted and what does it do?

Answer 12

anterior pituitary

stimulates milk production and secretion

Question 13

From what gland is ADH secreted and what does it do?

Answer 13

posterior pituitary

stimulates water reabsorption in principal cells of collecting ducts and constriction of arterioles

Question 14

From what gland is oxytocin secreted and what does it do?

Answer 14

posterior pituitary

stimulates milk ejection from breasts and uterine contractions

Question 15

From what gland is T3/T4 secreted and what does it do?

Answer 15

thyroid

stimulates skeletal growth, O2 consumption, heat production, protein, fat and carb utilization & perinatal maturation of CNS

Question 16

From what gland is calcitonin secreted and what does it do?

Answer 16

thyroid

decreases serum [Ca]

Question 17

From what gland is PTH secreted and what does it do?

Answer 17

parathyroid

increases serum [Ca]

Question 18

From what gland is cortisol secreted and what does it do?

Answer 18

adrenal cortex

stimulates gluconeogenesis
inhibits inflammatory response
suppresses immune response
enhances vascular response to catecholamines

Question 19

From what gland is aldosterone secreted and what does it do?

Answer 19

adrenal cortex

increases renal Na absorption, k+ and H+ secretion

Question 20

From what gland is testosterone secreted and what does it do?

Answer 20

testes

stimulates spermatogenesis and secondary sex characteristics

Question 21

From what gland is estradiol secreted and what does it do?

Answer 21

ovaries & corpus luteum

Stimulates growth and development of female reproductive system, follicular phase of menstrual cycle, development of breasts, prolactin secretion
maintains pregnancy

Question 22

From what gland is progesterone secreted and what does it do?

Answer 22

ovaries and corpus luteum

stimulates luteal phase of menstrual cycle
maintains pregnancy

Question 23

From what gland is hCG secreted and what does it do?

Answer 23

placenta

stimulates estrogen and progesterone synthesis in early pregnancy

Question 24

From what gland is hPL secreted and what does it do?

Answer 24

placenta

growth hormone and prolactin - like actions during pregnancy