Endocrine Physiology Flashcards Preview

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Flashcards in Endocrine Physiology Deck (40):
1

signal transduction system: ADH V1 receptor

IP3/DAG

2

signal transduction system: ADH V2 receptor

cAMP

3

signal transduction system: angiotensin II - vascular smooth muscles

IP3/DAG

4

signal transduction system: angiotensin II - epithelial cells

cAMP

5

signal transduction system: cathecolamine A1 receptors

IP3/DAG

6

signal transduction system: cathecolamine B1 and B2 receptors

cAMP

7

basophilic pituitary cells

FSH, LH, ACTH, TSH, MSH

8

acidophilic pituitary cells

GH, prolactin

9

diabetogenic hormones

cortisol, GH, glucagon, epinephrine

10

Accumulating substrate: 21-beta-hydroxylase

17-hydroxyprogesterone

11

Accumulating substrate: 11-beta-hydroxylase

11-deoxycortisone

12

Accumulating substrate: 17-alpha-hydroxylase

pregnenolone

13

signal transduction system: insulin

tyrosine kinase

14

signal transduction system: glucagon

cAMP

15

which diabetes mellitus type is autoimmune?

Ia

16

Bone component for compressional strength

bone salts

17

Bone component for tensile strength

organic matrix

18

PTH is stimulated by hypomagnesemia except

hypomagnesemia caused by alcoholism

19

PTH causes increased or decreased phosphate reabsorption?

decreased phosphate reabsoprtion

20

PTH causes increased or decreased urinary calcium?

increased calcium reabsorption

21

Vitamin D causes increased or decreased phosphate reabsorption?

increased phosphate reabsoprtion

22

Vitamin D causes increased or decreased serum phosphate?

decreased serum phosphate

23

PTH causes increased or decreased serum phosphate?

decreased serum phosphate

24

Vitamin D causes increased or decreased serum phosphate?

increased serum phosphate

25

what is effect of ethanol on ADH?

decrease

26

thyroid levels in hepatic failure

decrease in TBG
decrease in total thyroid hormone levels
normal levels of free hormone

27

thyroid levels in pregnancy

increase in TBG
increase in total thyroid hormone levesl
normal levels of free hormone

28

CRH-containing neurons are located in

paraventricular nuclei

29

high-dose dexamethasone is not suppressed by what tumor: ACTH-secreting tumors or adrenal cortical tumors?

ACTH-secreting tumor

30

aldosterone secretion is increased by hypokalemia or hyperkalemia?

hyperkalemia

31

in Cushing's syndrome, ACTH is increased or decreased?

decreased

32

in Conn's syndrome, potassium is increased or decreased?

decreased

33

what is the effect of glucagon on urea production?

glucagon increases urea production

34

pancreatic receptor (beta cells) for glucose

GLUT-2

35

what is the effect of acetylcholine on insulin and glucagon?

acetylcholine increases both insulin and glucagon

36

high aldosterone is seen in:
A. 21-beta-hydroxylase deficiency
B. 11-beta-hydroxylase deficiency
C. 17-alpha-hydroxylase deficiency

high aldosterone is seen in 17-alpha-hydroxylase deficiency

37

low androgen is seen in:
A. 21-beta-hydroxylase deficiency
B. 11-beta-hydroxylase deficiency
C. 17-alpha-hydroxylase deficiency

low androgen is seen in 17-alpha-hydroxylase deficiency

38

hypotension is seen in:
A. 21-beta-hydroxylase deficiency
B. 11-beta-hydroxylase deficiency
C. 17-alpha-hydroxylase deficiency

hypotension is seen in 21-beta-hydroxylase deficiency

39

1-alpha-hydroxylase is stimulated by high or low phosphate?

low phosphate

40

true or false: PTH increases calcium absorption in GIT

false