Which of the following anions diffuses easily between extracellular and intracellular fluid compartments?
A)proteins
B)chloride
C)sulfate
D)phosphate
E)none of these anions move freely between ECF and ICF

Question

Quizplus · Accepted Answer

Chloride anions can easily diffuse between the extracellular and intracellular fluid compartments, as they are present in higher concentrations in both compartments and are not significantly bound to proteins. Sulfate and phosphate anions are present in lower concentrations in the intracellular fluid and are usually bound to proteins or other molecules, which limits their ability to diffuse freely. Proteins are too large to diffuse through cell membranes and are therefore restricted to their respective compartments.

Which of the Following Anions Diffuses Easily Between Extracellular and Intracellular