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Flashcards in sodium Deck (15)
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1
Q
___ are responsible for most of Na+ excretion
A
kidneys
2
Q
^ in osmolarity causes __ ECF volume, cause ___ in BP
A
increase; increase
3
Q
aldosterone made in ____
A
adrenal cortex
4
Q
cytoplasmic aldosterone receptor is a ____ receptor
A
mineralocorticoid
5
Q
aldosterone participates in ____ to create new K and Na channels on ___ membrane
A
transcription; apical
6
Q
aldosterone secretion mainly stimulated by ___ extracellular [] ___ and ___BP
A
increased; K+; decreased
7
Q
aldosterone secretion is inhibited by ___
A
increased osmolarity
8
Q
decreased BP causes pathway that results in production of _____
A
angiotensin2
9
Q
granular cells are also called _____ cells
A
juxtaglomerular
10
Q
what is the purpose fo renin-angiotensin path?
A
maintaining blood pressure
11
Q
renin's main role is to convert _____ into ____
A
angiotensinogen; angiotensin 1
12
Q
the enzyme that converts angiotensin 1 into 2
A
ACE (angiotensin converting enzyme)
13
Q
what does ANG2 do?
A
^cardiac output, BP (vasoconstriction), thirst, Na reabsorption of proximal tubule, ADH/vasopressin secretion, absorption of water
14
Q
what is ANP and what does it do?
A
increases Na and water excretion; Atrial Natriuretic peptide
15
Q
hypokalemia causes K+ to move ___, hyperkalemia causes K+ to move ___ cell
A
outside (hard to depolarize); inside (cause depolarization)