When calculating the anion gap, the predominant cation is
a. sodium. c. chloride.
b. potassium. d. bicarbonate.
A
The anion gap is a calculation of the difference between the measurable extracellular plasma cations (sodium and potassium) and the measurable anions (chloride and bicarbonate). In plasma, sodium is the predominant cation, and chloride is the predominant anion.
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