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Registered Dietitian

Category - Nutrition Science

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The primary cation of intracellular fluid is:

Sodium
Potassium
Chloride
Magnesium

Explanation

Answer: B - The primary cation of intracellular fluid is potassium. Potassium helps regulate cell metabolism and control, and also generates the action potential across cell membranes that is responsible for muscle function. Sodium is the primary cation in extracellular fluid and helps regulate the body’s fluid balance.

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