What electrolyte imbalance is most likely in a patient with serum sodium 152 mEq/L, dry mucous membranes, and restlessness?
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Correct answer: Hypernatremia
A sodium level above 145 mEq/L defines hypernatremia, and the signs of dry mucous membranes and neuro restlessness align with fluid shift/out-of-cellular dehydration.
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