Which value range is commonly cited as the normal serum sodium range? (numeric value)

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Study for the Adult Health HESI Exam with this comprehensive guide. Explore multiple choice questions, detailed hints, and explanations. Prepare effectively and succeed in your exam!

Multiple Choice

Which value range is commonly cited as the normal serum sodium range? (numeric value)

Explanation:
Sodium is the main extracellular cation and sets the extracellular osmolarity that controls how water moves between body compartments. The value most clinicians and labs use as the normal reference range is 135–145 mEq/L. Keeping sodium within this window supports stable fluid balance and normal nerve and muscle function. Values below this range indicate hyponatremia, while values above indicate hypernatremia, each with distinct clinical implications. Among common options, the range that matches the standard reference is 135–145 mEq/L.

Sodium is the main extracellular cation and sets the extracellular osmolarity that controls how water moves between body compartments. The value most clinicians and labs use as the normal reference range is 135–145 mEq/L. Keeping sodium within this window supports stable fluid balance and normal nerve and muscle function. Values below this range indicate hyponatremia, while values above indicate hypernatremia, each with distinct clinical implications. Among common options, the range that matches the standard reference is 135–145 mEq/L.

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