Biologyhard · Past Paper
What is the effect of 'Aldosterone' on the distal convoluted tubule?
AExcretion of sodium
BReabsorption of sodium and water
CExcretion of water
DReabsorption of potassium
✓ Correct Answer: B — Reabsorption of sodium and water
Aldosterone acts on the kidneys to increase sodium reabsorption, which subsequently increases water retention and blood pressure.
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