The vast majority of the extracellular fluid's osmotic activity is contributed by A) plasma proteins B) Na⁺ and its attendant anions C) K⁺ and its attendant anions D) Ca²⁺ and its attendant anions E) red blood cells

Question

Quizplus · Accepted Answer

The osmotic activity of extracellular fluid is primarily due to sodium ions (Na+) and their accompanying anions, as sodium is the most abundant cation in the extracellular fluid.

The Vast Majority of the Extracellular Fluid's Osmotic Activity Is