When aldosterone is absent,sodium reabsorption in the nephron is
A)greatly increased.
B)greatly decreased.
C)unchanged.

Question

Quizplus · Accepted Answer

Aldosterone is responsible for regulating sodium and potassium balance in the body by increasing sodium reabsorption and potassium secretion in the distal tubules and collecting ducts of the nephron. In the absence of aldosterone, sodium reabsorption is greatly decreased, leading to increased urinary sodium excretion and decreased blood volume and blood pressure.

When Aldosterone Is Absent,sodium Reabsorption in the Nephron Is