Acid-Base Disorders · Pharmacology

Acetazolamide is useful in treating metabolic alkalosis because it:

  1. Increases hydrogen ion secretion
  2. Enhances bicarbonate excretion
  3. Stimulates aldosterone release
  4. Reduces CO2 production
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Correct answer: Enhances bicarbonate excretion

Acetazolamide is a carbonic anhydrase inhibitor that reduces bicarbonate reabsorption in the proximal tubule. This increases bicarbonate excretion in urine. It is useful in correcting metabolic alkalosis.

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