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Flashcards in sodium Deck (15):
1

___ are responsible for most of Na+ excretion

kidneys

2

^ in osmolarity causes __ ECF volume, cause ___ in BP

increase; increase

3

aldosterone made in ____

adrenal cortex

4

cytoplasmic aldosterone receptor is a ____ receptor

mineralocorticoid

5

aldosterone participates in ____ to create new K and Na channels on ___ membrane

transcription; apical

6

aldosterone secretion mainly stimulated by ___ extracellular [] ___ and ___BP

increased; K+; decreased

7

aldosterone secretion is inhibited by ___

increased osmolarity

8

decreased BP causes pathway that results in production of _____

angiotensin2

9

granular cells are also called _____ cells

juxtaglomerular

10

what is the purpose fo renin-angiotensin path?

maintaining blood pressure

11

renin's main role is to convert _____ into ____

angiotensinogen; angiotensin 1

12

the enzyme that converts angiotensin 1 into 2

ACE (angiotensin converting enzyme)

13

what does ANG2 do?

^cardiac output, BP (vasoconstriction), thirst, Na reabsorption of proximal tubule, ADH/vasopressin secretion, absorption of water

14

what is ANP and what does it do?

increases Na and water excretion; Atrial Natriuretic peptide

15

hypokalemia causes K+ to move ___, hyperkalemia causes K+ to move ___ cell

outside (hard to depolarize); inside (cause depolarization)