A man with hypertension takes a diuretic that is not potassium-sparing,and he does not increase his ingestion of potassium.Which of the following side-effects would the drug be most likely to cause?

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A diuretic that is not potassium-sparing can lead to the loss of potassium from the body, resulting in hypokalemia. This can lead to cardiac arrhythmias, especially in patients with pre-existing heart disease or electrolyte imbalances. Increased blood volume (option A) and hyperpolarization of neuronal cell membranes (option B) are not typical side effects of diuretics. Hyperkalemia (option C) is unlikely in this scenario given that the diuretic is not potassium-sparing and the patient is not increasing their potassium intake.

A Man with Hypertension Takes a Diuretic That Is Not