Chap.20: HormoneNotes Flashcards Preview

FMS > Chap.20: HormoneNotes > Flashcards

Flashcards in Chap.20: HormoneNotes Deck (54)
Loading flashcards...
31

What two polypeptide hormones does the posterior pituitary secrete?

oxytocin and ADH (also called arginine vasopressin)

32

ADH and oxytocin travel to the posterior pituitary by way of ________.

hyopthalamohypophysial nerve tract

33

What three things stimulate the thyroid gland to produce thyroid hormone?

-pituitary TSH
- LOW serum IODIDE levels
-drugs interfering with the thyroid glands uptake of IODIDE from the blood

34

The release of norepinephrine stimulates which hormones to be secreted? What hormone is inhibited?

Secreted: TSH, GH, LH and FSH

Inhibited: ACTH

35

Hyperphosphatemia leads to ___________.

hypercalcemia

36

Insulin's action in the cells includes the transport of __________, ________, and ________. _______ into the cell is also facilitated.

amino acids, potassium, and magnesium

phosphate

37

Stress has been shown to increase ______ secretion.

ACTH

38

__________ acts to lower serum calcium levels by inhibition of bone-reabsorbing osteoclasts.

Calcitonin aka thyrocalcitonin

39

The parathyroid glands produce ________, a regulator of serum calcium.

PTH

40

What is the purpose of TSH?

The purpose of TSH is to release stored thyroid hormone.

41

In the kidneys, ______ acts on its plasma membrane receptor in the distal and proximal tubules of the nephron.

PTH

42

What are the major products secreted by the adrenal medulla?

the catecholamines: epinephrine (adrenaline) and norepinephrine

43

_____ is the main regulator of cortisol secretion and adrenocortical growth.

ACTH

44

The secretion of cortisol is regulated primarily by the ______ and the ________.

hypothalamus
anterior pituitary gland

45

Where is corticotropin releasing hormone (CRH) produced and stored?

CRH is produced in several nuclei in the hypothalamus and is stored in the median eminence (inferior border of the hypothalamus)

46

Once released, CRH travels through the portal vessels to stimulate the production of _____ from proopiomelanocortin (POMC), beta-lipoprotein, gamma-lipoprotein, endorphins, and enkephalins by the anterior pituitary.

ACTH

47

The term ______ refers to those steroid hormones that have direct effects on carbohydrate metabolism.

glucocorticoid

48

These hormones increase blood glucose concentration by promoting gluconeogenesis in the liver and by decreasing uptake of glucose into muscle cells, adipose cells, and lymphatic cells.

glucocorticoids

49

Aldosterone synthesis and secretion are stiumlated by _________.

angiotensin II

50

The conversion of angiotensin I to angiotensin II is stimulated by the enzyme ___________.

angiotensin I-converting enzyme

51

The conversion of angiotensinogen to angiotensin I is stimulated by ________.

renin

52

High levels of aldosterone may result in ________ and ________.

alkalosis and hypokalemia

53

In the kidney, _______ primarily acts on epithelial cells of the nephron collecting duct to increase sodium ion reabsorption.

aldosterone

54

Aging causes overall ______ secretion to diminish.

TSH