Sodium is the abundant cation in the extracellular fluids and potassium (K) is the most abundant cation in intracellular fluids.

Name: Sodium is the abundant cation in the extracellular fluids and potassium (K) is the most abundant cation in intracellular fluids.
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Quizplus · Accepted Answer

This statement is true. Sodium is found in high concentrations in extracellular fluids, such as blood and interstitial fluid. Potassium, on the other hand, is the most abundant cation in intracellular fluids, such as inside cells.

Sodium Is the Abundant Cation in the Extracellular Fluids and Potassium