ch. 17 endocrine system hormones

Question 1

eight hormones are produced in hypothalamus

Answer 1

• Gonadotropin-releasing hormone (GnRH)
• Thyrotropin-releasing hormone (TRH)
• Corticotropin-releasing hormone (CRH)
• Prolactin-inhibiting hormone (PIH)
• Growth hormone-releasing hormone (GHRH)
• Somatostatin
• Oxytocin (OT)
• Antidiuretic hormone (ADH)

Question 2

6 hypothalamic hormones regulate the anterior pituitary

Answer 2

• Gonadotropin-releasing hormone (GnRH)
• Thyrotropin-releasing hormone (TRH)
• Corticotropin-releasing hormone (CRH)
• Prolactin-inhibiting hormone (PIH)
• Growth hormone-releasing hormone (GHRH)
• Somatostatin

Question 3

2 hypothalamic hormones are stored in posterior pituitary and released on demand

Answer 3

• oxytocin (OT)
• antidiuretic hormone (ADH)

Question 4

hypothalamic hormones that regulate anterior pituitary

1. Gondatropin-releasing hormone (GnRH)

Answer 4

stimulated release of gondatropins (FSH, LH) from anterior pituitary

Question 5

hypothalamic hormones that regulate anterior pituitary

thyrotropin-releasing hormone (TRH)

Answer 5

stimulates release of thyroid stimulating hormone (TSH, thyrotropin) from anterior pituitary

Question 6

hypothalamic hormones that regulate anterior pituitary

corticotropin-releasing hormone (CRH)

Answer 6

stimulates release of adrenocorticotropin hormone (ACTH, corticotropin) from anterior pituitary

Question 7

hypothalamic hormones that regulate anterior pituitary

prolactin-inhibiting hormone (PIH)

Answer 7

inhibits release of prolactin from anterior pituitary

Question 8

hypothalamic hormones that regulate anterior pituitary

growth hormone-releasing hormone (GHRH)

Answer 8

stimulates release of growth hormone (GH) from anterior pituitary

Question 9

hypothalamic hormones that regulate anterior pituitary

somatostatin

Answer 9

inhibits release of GH and TSH from anterior pituitary

Question 10

2 hypothalamic hormones stored in posterior pituitary&released on demand

oxytocin (OT)

Answer 10

stimulates labor contraction (uterus) and milk release (mammary glands)

produced by paraventricular nuclei of hypothalamus

Question 11

2 hypothalamic hormones stored in posterior pituitary&released on demand

antidiuretic homone (ADH)

Answer 11

stimulates water retention by the kidneys

produced by supraoptic nuclei of hypothalamus

Question 12

hypothalamus —> posterior pituitary —>

what are the 2 hormones?

Answer 12

oxytocin
antidiuretic hormone

Question 13

hypothalamus–> regulate anterior pituitary—>

what are the 6 hormones?

Answer 13

• Gonadotropin-releasing hormone (GnRH)
• Thyrotropin-releasing hormone (TRH)
• Corticotropin-releasing hormone (CRH)
• Prolactin-inhibiting hormone (PIH)
• Growth hormone-releasing hormone (GHRH)
• Somatostatin

Question 14

6 hormones secreted from anterior pituitary

Answer 14

• follicle stimulating hormone (FSH)
• luteinizing hormone (LH)
• thyroid-stimulating hormone (TSH)
• adrenocorticotropic hormone (ACTH)
• prolactin (PRL)
• growth hormone (GH) or somatotropin

Question 15

6 hormones secreted from anterior pituitary

follicle stimulating hormone (FSH)

Answer 15

stimulates: secretion of ovarian sex hormones, development of ovarian follicles
sperm production

Question 16

6 hormones secreted from anterior pituitary

luteinizing hormone (LH)

Answer 16

stimulates: ovulation,
corpeus luteum secretion by progesterone, and
testosterone secretion by testes

Question 17

FSH and LH are collectively called

Answer 17

gonadotropins-they target the ovaries and testes (the gonads)

Question 18

6 hormones secreted from anterior pituitary

thyroid-stimulating hormone (TSH) or thyrotropin

Answer 18

stimulates secretion of thyroid hormone (TH) from thyroid gland

Question 19

6 hormones secreted from anterior pituitary

adrenocorticotropic hormone (ACTH) or
corticotropin

Answer 19

stimulates adrenal cortex to secrete glucocorticoids

Question 20

6 hormones secreted from anterior pituitary

prolactin (PL)

Answer 20

after birth, stimulates mammary glands to synthesize milk

Question 21

6 hormones secreted from anterior pituitary

growth hormone (GH) or
somatotropin

Answer 21

stimulates mitotsis and cellular differntiation

Question 22

hypothalamus–>
anterior pituitary gland synthesizes and secretes->

which 6 hormones?

Answer 22

• follicle stimulating hormone
• luteinizing hormone
• thyroid stimulating hormone
• adrenocorticotropic hormone
• prolactin
• growth hormone or somatotropin

Question 23

hypothalamus–>anterior pituitary–>
Thyrotropin-releasing hormone–>

Answer 23

prolactin–>mammary gland———–>synthesize milk

thyroid stimulating hormone———>thyroid gland–>secretion of thyroid hormone (TH)

Question 24

hypothalamus–>
anterior pituitary–>
Gonadotropin Releasing Hormone–>

Answer 24

luteinizing hormone–>stimulates ovulation, corpus luteum secretion by progesterone and testosterone by testes

follicle stimulating hormone———–>stimulates secretion/development of ovarion sex hormones, development of ovarion follicles, sperm production

Question 25

hypothalamus–>
anterior pituitary–>
corticotropin releasing hormone–>

Answer 25

ACTH or corticotropin–>
stimulates adrenal cortex to secrete glucocorticoids

Question 26

hypothalamus–>
anterior pituitary–>
growth hormone releasing hormone–>

Answer 26

growth hormone or somatotropin–>
stimulates mitosis and cellular differentiation