kidney and blood pressure Flashcards
1
Q
what is aldosterone
A
it is a steroid hormone which works to maintain water balancve by increasing sodium ion reabsorption and pottassium ion secretion from extracellular fluids in the kidney tubules
it also prevents the loss of sodium ions through sweat, saliva, and gastric juice
2
Q
what stimulates the release of aldosterone
A
decreased blood sodium levels
low blood volum ad blood prssure
increased blood potassium levels
3
Q
what is angiotensin II
A
it is a hormone that increase the release of aldosterone resulting in invcreased sodium ion absorption and increase pottasium ion secretion and an increased water retention