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A patient has an elevated serum osmolality and a serum sodium level of 159 mEq/L. The most beneficial I.V. fluid would be:

Explanation

•The patient is in a hypertonic state and should not receive hypertonic fluid. D5W is the only isotonic fluid and is the correct choice.

•D5NS, D10W, and D5LR are all hypertonic fluids.

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