If the ECF's osmolarity increases
A) Water will shift from the ICF into the ECF.
B) Water will not shift between the ECF and the ICF.
C) Water will move from the ECF into the ICF.
D) Vasopressin secretion will decrease.
E) Potassium and sodium will compensate.

Question

Quizplus · Accepted Answer

When the ECF's osmolarity increases, it becomes hypertonic compared to the ICF, causing water to move from the ICF to the ECF to balance the osmotic gradient.

If the ECF's Osmolarity Increases