Salt balance in humans
A)depends primarily upon control of Na+ intake through salt hunger
B)depends primarily upon control of Na+ output by the kidneys
C)is poorly regulated
D)depends upon Na+ secretion by the kidneys
E)is not affected by aldosterone secretion

Question

Quizplus · Accepted Answer

The salt balance in humans primarily depends upon the control of Na+ output by the kidneys. The kidneys filter the blood and regulate the Na+ levels by either retaining or excreting it in the urine. The hormone aldosterone helps in the reabsorption of Na+ in the kidneys, but it is a secondary mechanism. Salt hunger may influence Na+ intake to some extent but it is not the primary factor in regulating salt balance. The salt balance in humans is well-regulated, and any disruption can lead to severe health consequences.

Salt Balance in Humans