Hormones

Question 1

Corticotropin-releasing hormone

Answer 1

CRH, origin in hypothalamus, stimulates secretion of ACTH

Question 2

Estradiol

Answer 2

ovary, growth and development of female reproductive organs, follicular phase of menstrual cycle

Question 3

Gonadotropin-releasing hormone

Answer 3

GnRH, hypothalamus, stimulates secretion of LH and FSH

Question 4

human placental lactogen

Answer 4

HPL, placenta, same actions as GH and prolactin during pregnancy

Question 5

prolactin

Answer 5

anterior pituitary, stims milk production and breast development

Question 6

insulin

Answer 6

pancreas (beta cells), decrease blood glucose, decrease blood amino acids, decrease blood fatty acids

Question 7

L-thyroxine, Triiodothyronine

Answer 7

T4, T3, thyroid gland, skeletal growth, increase O2 consumption, heat production, increase protein, fat and carb use, maturation of nervous system (perinatal)

Question 8

glucagon

Answer 8

pancreas (alpha cells), increase blood glucose, increase blood fatty acids

Question 9

Follicle-stimulating hormone

Answer 9

FSH, anterior pituitary, stims growth of ovarian follicles and estrogen secretion (ovary), stims synthesis and secretion of testosterone (testes)

Question 10

Thyrotropin-releasing hormone

Answer 10

TRH, origin in hypothalamus, stimulates secretion of TSH and prolactin

Question 11

Prolactin inhibiting factor (dopamine)

Answer 11

PIF, hypothalamus, inhibs secretion of prolactin

Question 12

glucocorticoids

Answer 12

cortisol, adrenal cortex, stims gluconeogenesis, anti-inflammatory, immunosuppression

Question 13

Oxytocin

Answer 13

posterior pituitary, milk ejection, uterine contraction

Question 14

Progesterone

Answer 14

ovary, luteal phase of menstrual cycle

Question 15

Adrenocorticotropic hormone

Answer 15

ACTH, anterior pituitary, stims synthesis and secretion of adrenal cortical hormones

Question 16

1,25-dihydroxychlecalciferol

Answer 16

kidney (activation), increase intestinal Ca absorption, increase bone mineralization

Question 17

antidiuretic hormone (vasopressin)

Answer 17

ADH, posterior pituitary, stims H20 re-absorption by renal collecting ducts and contraction of arterioles

Question 18

Thyroid-stimulating hormone

Answer 18

TSH, anterior pituitary, stims synthesis and secretion of thyroid hormones

Question 19

Growth hormone

Answer 19

GH, anterior pituitary, stims protein synthesis and overall growth

Question 20

Calcitonin

Answer 20

thyroid gland (parafollicular cells), decrease serum Ca2+

Question 21

Aldosterone

Answer 21

adrenal cortex, increase renal Na reabsorption, increase renal K secretion, increase renal H+ secretion

Question 22

parathyroid hormone

Answer 22

PTH, parathyroid gland, increase serum Ca2+, decrease serum phosphate

Question 23

Growth hormone-releasing hormone

Answer 23

GHRH, hypothalamus, stims secretion of growth hormone

Question 24

Melanocyte-stimulating hormone

Answer 24

MSH, anterior pituitary, stims melanin synthesis

Question 25

human chorionic gonadotropin

Answer 25

HCG, placenta, increase estrogen and progesterone synthesis in corpus luteum in pregnancy

Question 26

Somatotropin release-inhibiting hormone (somatostatin)

Answer 26

SRIF, hypothalamus, inhibits secretion of growth hormone