sodium

Question 1

___ are responsible for most of Na+ excretion

Answer 1

kidneys

Question 2

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

Answer 2

increase; increase

Question 3

aldosterone made in ____

Answer 3

adrenal cortex

Question 4

cytoplasmic aldosterone receptor is a ____ receptor

Answer 4

mineralocorticoid

Question 5

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

Answer 5

transcription; apical

Question 6

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

Answer 6

increased; K+; decreased

Question 7

aldosterone secretion is inhibited by ___

Answer 7

increased osmolarity

Question 8

decreased BP causes pathway that results in production of _____

Answer 8

angiotensin2

Question 9

granular cells are also called _____ cells

Answer 9

juxtaglomerular

Question 10

what is the purpose fo renin-angiotensin path?

Answer 10

maintaining blood pressure

Question 11

renin’s main role is to convert _____ into ____

Answer 11

angiotensinogen; angiotensin 1

Question 12

the enzyme that converts angiotensin 1 into 2

Answer 12

ACE (angiotensin converting enzyme)

Question 13

what does ANG2 do?

Answer 13

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

Question 14

what is ANP and what does it do?

Answer 14

increases Na and water excretion; Atrial Natriuretic peptide

Question 15

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

Answer 15

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