Pharmacology One of the following diuretics does not require its presence in the tubular lumen for its pharmacological effects: A Thiazide diuretics B Loop diuretics C Carbonic anhydrase inhibitors D Aldosterone antagonists 💡 Explanation One of the following diuretics does not require its presence in the tubular lumen for its pharmacological effects: ✓ Correct Answer: D. Aldosterone antagonists