Most abundant extracellular ion is?
ANSWER: (C) SodiumREF: Guyton's physiology 11th edition page 46, 358Repeat from June 2008 and December 2008Potassium is the most abundant cation in intracellular fluid.Phosphate is the most abundant intracellular anion.Sodium is the most abundant extracellular cation.Chloride is the most abundant extracellular anion.
Calcium
Potassium
Sodium
Chloride
Cell Physiology and Intercellular Connections