NCLEX Question for a major anion in body fluid

NCLEX Review Question

Which of the following electrolytes is a major anion in body fluid?

a.Chloride
b.Potassium
c.Sodium
d.Calcium

Correct Answer: A
Chloride
Rationale: Chloride is a major anion found in extracellular fluid.

Potassium
Rationale: Potassium is a cation.

Sodium
Rationale: Sodium is a cation.

Calcium
Rationale: Calcium is a cation.

Posted in: MSN NCLEX