Pituitary Physiology

Question 1

when it’s cold, what does the hypothalamus release?

Answer 1

thyrotropin-releasing hormone

Question 2

thyrotropin-releasing hormone acts on what?

Answer 2

anterior pituitary gland

Question 3

the anterior pituitary releases what in response to thyrotropin-releasing hormone?

Answer 3

thyrotropin

Question 4

thyrotropin acts on the thyroid to release what?

Answer 4

thyroxine

Question 5

GnRH acts on the pituitary to release what?

Answer 5

LH and FSH

Question 6

LH and FSH acts on what?

Answer 6

testes/ovaries

Question 7

the testes releases what in response to LH/FSH

Answer 7

testosterone

Question 8

the ovaries releases what in response to LH/FSH

Answer 8

oestrogen and progesterone

Question 9

corticotropin-releasing hormone (CRH) is released by the hypothalamus to act on the anterior pituitary to release what?

Answer 9

ACTH

Question 10

ACTH acts on what to release what?

Answer 10

ACTH acts on adrenal gland to release cortisol

Question 11

CRH = ____ = ________

Answer 11

CRH = ACTH = CORTISOL

Question 12

___ = TSH = _________

Answer 12

TRH = TSH = THYROXINE

Question 13

GnRH = __/___ = __/____________

Answer 13

GnRH = LH/FSH = E2/TESTOSTERONE

Question 14

GHRH = __

Answer 14

GHRH = GH

Question 15

_________ = PRL

Answer 15

DOPAMINE = PRL (inhibitory effect)

Question 16

name the test performed if you think there is too much hormone

Answer 16

suppression test

Question 17

name the test performed if you think there is too little hormone

Answer 17

stimulation test

Question 18

name the stimulation test for ACTH

Answer 18

synacthen stimulation test

Question 19

name the insulin stimulation test

Answer 19

insulin stress test or prolonged glucagon test

Question 20

name the common deprivation test

Answer 20

water deprivation test