When One Eats a High-Sodium Meal, Why Does It Not

Multiple Choice

When one eats a high-sodium meal, why does it not raise the sodium ion concentration of body fluids?

A) The osmolarity of the ECF falls.
B) Osmosis moves water from the digestive epithelium to the ECF.
C) Both the ECF and the ICF become more dilute.
D) There is an increase in the volume of the ICF.
E) Water is exchanged for sodium chloride as it crosses the digestive epithelium.