hypersecretion of ant pit hormones

Question 1

what hormones are vital to human existence?

Answer 1

TSH, ACTH

Question 2

which ant pit hormones do not have simple end organ feedback inhibitory loops?

Answer 2

GH, prolactin

Question 3

which ant pit hormones do have simple end organ feedback inhibitory loops?

Answer 3

ACTH, TSH, FSH, LH

Question 4

prolactin excess leads to (2)?

Answer 4

galactorrhea, hypogonadism

Question 5

what causes hypogonadism?

Answer 5

inhibition of gnrh

Question 6

post-menopausal woman, HA, visual field problems

Answer 6

large pit tumor

Question 7

serum prolactin under 30?

Answer 7

stress

Question 8

serum prolactin >300

Answer 8

pit adenoma

Question 9

serum prolactin >100 and not preg

Answer 9

usu adenoma

Question 10

what is the most common type of fxnal pit adenoma?

Answer 10

prolactinomas

Question 11

is micro or macro prolactinoma more common?

Answer 11

micro

Question 12

tx for micro prolactinoma if sx?

Answer 12

bromocriptine (DA agonist)

Question 13

common cause of hypoprolactinemia

Answer 13

sheehan’s syndrome

Question 14

what GH excess happens before ephiphyseal closure in peds?

Answer 14

gigantism

Question 15

what is an insidious, chronic disease assc’d with boney and soft tissue overgrowth, middle aged ppl?

Answer 15

acromegaly

Question 16

sx of GH excess usu present how many yrs before dx?

Answer 16

7-8 years

Question 17

what test is req’d for dx GH excess?

Answer 17

GH inhibition test with standard glu load

Question 18

tx of GH excess?

Answer 18

surgery–>transphenoidal

Question 19

are slow growing or rapidly growing tumors of the hypothalamus more common?

Answer 19

slow growing

Question 20

which hypothalamic tumor: more likely to produce dementia, food intake disturbances, endocrine dysfxn

Answer 20

slow growing

Question 21

which hypothalamic tumor: more likely to produce coma, ANS dysfxn

Answer 21

fast growing

Question 22

what to check if failure to lactate?

Answer 22

stimulation test with TRH or chlorpromazine