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Flashcards in Exam One Deck (292)
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1

According to Horner, which two pituitary hormones can you not live without?

ACTH and TSH

2

Which four pituitary hormones have simple feedback pathways?

ACTH

TSH

LH/FSH

3

Which hormone inhibits GnRH?

prolactin

4

Would osteoporosis occur in men or women with a prolactinoma?

women

5

Are smaller or larger prolactinomas more common?

smaller

6

Is tamoxifen used for the treatment of micro or macro prolactinoma?

macro

7

What two drugs is used to test for a hypoprolactinoma?

TRH or Chlorpromazine

8

What two cytokines does GH act through?

somatomedins or IGF

9

What does GH do to insulin release?

increase

10

What are the two most common causes of death during acromegaly?

CV and respiratory

11

An increase in what pituitary hormone can mess up a lot of labs?

Growth Hormone

12

According to Horner, which is the first pituitary hormone to be lost during a pituitary issue?

growth hormone

13

Which pituitary hormone can regulate the circadian rhythm?

ACTH

14

Are slow growing or fast growing hypothalamus tumors more common?

slow growing

15

Which hypothalamus tumors are more destructive, slow growing or fast growing?

fast

16

Aneurysms of what vessel can damage the pituitary?

internal carotid

17

Which 2nd messenger does vasopressin use?

cAMP

18

According to Milani, what is pituitary apoplexy? Presents as?

hemorhage into a pituitary adenoma

excruciating headache

19

Which three infiltrative disease can affect the pituitary?

sarcoidosis

hemochromatosis

lymphocytic hypophysitis

20

What is Primary Empty Sella Syndrome?

defect in diaphragm

21

What is Secondary Empty Sella Syndrome?

space left from surgery

22

Which type of Empty Sella Syndrome is more likely to cause hypopituitarism?

secondary

23

Would secondary adrenal insufficiency result in hyperpigmentation?

no

24

Crotorsyn is a synthetic analogue of what hormone?

ACTH

25

What rxn does Metyrapone BLOCK?

11-deoxycortisol to cortisol

26

What hormone will increase in response to Metyrapone?

ACTH

27

Why is treating hypothyroidism in the presence of hypocortisolism a bad idea?

increase renal clearance of cortisol

28

What hormone is used to challenge females during Hypogonadism?

progesterone

29

When is testosterone used to treat mean with hypogonadism?

not seeking fertility

30

Fine facial wrinkling is indicative of what hormone deficiency?

GH