When water is lost from the ECF but electrolytes are retained:
A) Both ECF and ICF become more dilute.
B) Osmosis moves water from the ICF to the ECF.
C) The osmolarity of the ECF drops.
D) There is an increase in the volume of the ICF.
E) Water levels remain the same.

Question

Quizplus · Accepted Answer

When water is lost from the ECF but electrolytes are retained, the osmolarity of the ECF increases. This causes water to move from the ICF to the ECF by osmosis to balance the osmolarity, leading to a decrease in ICF volume.

When Water Is Lost from the ECF but Electrolytes Are