Pathology The following Thiazide diuretic is active if the GFR is 30-40 mm Hg A Metolazone B Benzthiazide C Chlorothiazide D Chlohalidone 💡 Explanation The following Thiazide diuretic is active if the GFR is 30-40 mm Hg ✓ Correct Answer: A. Metolazone