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Canadian Pharmacist Qualifying Exam Practice · Question

A patient with newly diagnosed hypertension is prescribed a thiazide diuretic. What laboratory parameter should be monitored closely?

Thiazide diuretics can cause hypokalemia, thus potassium levels should be closely monitored. They can also affect blood glucose, but potassium is a more immedia

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Question: A patient with newly diagnosed hypertension is prescribed a thiazide diuretic. What laboratory parameter should be monitored closely?

Answer options:

  • Serum creatinine ✅ Potassium levels
  • Liver function tests
  • Blood glucose levels

Correct answer: Potassium levels

Explanation: Thiazide diuretics can cause hypokalemia, thus potassium levels should be closely monitored. They can also affect blood glucose, but potassium is a more immediate concern.

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