Question

18 multiple choice 2 points
__________ is the primary anion found in the extracellular fluid (ecf).
potassium
bicarbonate
chloride
sodium

Explanation:

Chloride is the main anion in extracellular fluid. Potassium is a major intracellular cation. Bicarbonate is an important anion but not the primary one. Sodium is a major extracellular cation.

Answer:

C. Chloride