Extracellular fluid
A) constitutes a greater percentage of total body water than does intracellular fluid.
B) osmolarity must be regulated to prevent an acid-base imbalance because the hydrogen ions might become too concentrated or too dilute in the body fluids.
C) volume must be regulated to prevent the cells from swelling or shrinking.
D) is composed of interstitial and intracellular fluids
E) none of the above

Question

Quizplus · Accepted Answer

Extracellular fluid is composed of interstitial fluid and plasma, not intracellular fluid. Intracellular fluid constitutes a greater percentage of total body water than extracellular fluid. Osmolarity regulation is related to fluid balance, not directly to acid-base balance.

Extracellular Fluid