Which of the following is a sign of hypokalemia?

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Multiple Choice

Which of the following is a sign of hypokalemia?

Explanation:
Hypokalemia reduces muscle cell excitability, so muscles can become irritable and cramp. Potassium is important for normal smooth muscle function in the gut, and when levels fall, abdominal cramps can result from disrupted intestinal motility. Among the options, abdominal cramps align with the muscle-related effects of low potassium, making it the best sign. High fever suggests infection, rash points to skin or allergic reactions, and nausea is nonspecific and can accompany many conditions, but it does not specifically reflect potassium deficiency.

Hypokalemia reduces muscle cell excitability, so muscles can become irritable and cramp. Potassium is important for normal smooth muscle function in the gut, and when levels fall, abdominal cramps can result from disrupted intestinal motility. Among the options, abdominal cramps align with the muscle-related effects of low potassium, making it the best sign. High fever suggests infection, rash points to skin or allergic reactions, and nausea is nonspecific and can accompany many conditions, but it does not specifically reflect potassium deficiency.

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