The two most common extracellular ions are:
A)sodium and potassium.
B)potassium and chloride.
C)phosphorus and calcium.
D)sodium and chloride.

Question

Quizplus · Accepted Answer

The two most common extracellular ions are sodium (Na+) and chloride (Cl-). Potassium (K+) is primarily an intracellular ion, while phosphorus (P) and calcium (Ca2+) are also found more intracellularly than extracellularly.

The Two Most Common Extracellular Ions Are