Homeostatic control of salts Flashcards
1
Q
What is aldosterone
A
A steroid hormone produced by adrenal gland
2
Q
What does aldosterone do
A
It controls the concentration of sodium ions in the body
3
Q
What is the most important function of the kidney
A
to balance Na+ ions
4
Q
Why is balancing Na+ ions important
A
If too many Na+ ions are absorbed, then high blood pressure . this process is also linked to H2O balance and regulation of Blood pressure
5
Q
When is the secretion of Aldosterone triggered
A
blood levels of Na are low
Blood volume is low, low pressure
6
Q
Aldosterone causes what
A
The reabsorption of Na+ ions from filtrate
