KROK 1 2021 – Question 53 · KROK (Medicine) · Pharmacology

A patient with essential hypertension was prescribed hydrochlorothiazide as a part of complex therapy. What mechanism of drug action facilitates a decrease in blood pressure in this case?

  1. A. Decreased excretion of sodium ions and water
  2. B. Carbonic anhydrase blockade
  3. C. Increased production of angiotensin II
  4. D. Increased excretion of sodium ions and water
  5. E. Calcium channel blockade
Hint

Think about the nephron segment where thiazides act and how that changes extracellular fluid volume, cardiac output and eventually vascular resistance during long-term treatment.

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