Medicine A 64-year-old woman has metabolic alkalosis and the bicarbonate level is 34 mEq/L. Which of the following is the most likely cause? A diuretic use B hyperkalemia C mineralocorticoid deficiency D diarrhea 💡 Explanation A 64-year-old woman has metabolic alkalosis and the bicarbonate level is 34 mEq/L. Which of the following is the most likely cause? ✓ Correct Answer: A. diuretic use