The primary regulator of extracellular fluid volume is:
A) chlorine.
B) sodium.
C) magnesium.
D) potassium.
E) calcium.

Name: The primary regulator of extracellular fluid volume is: A) chlorine. B) sodium. C) magnesium. D) potassium. E) calcium.
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Question

Quizplus · Accepted Answer

Sodium is the primary regulator of extracellular fluid volume, as it is the main ion involved in controlling fluid balance between the intra and extracellular compartments.

The Primary Regulator of Extracellular Fluid Volume Is