Question

What is a major cation in intracellular fluid?

• A. K${}^{+}$
• B. Na${}^{+}$
• C. Organic phosphate
• D. Proteins

Answer 1

The correct option is A K${}^{+}$

Potassium is the major cation in intracellular fluid followed by magnesium. Organic phosphates and proteins are the major anions.