The diuretic group that does not require access to the tubular lumen to induce diuresis is ?
Ans. is 'c' i.e. Mineralocoicoid antagonist Spirinolactone is mineralocoicoid (aldosterone) antagonist. It opposes the action of Aldosterone without requiring access to the tubular lumen. Spirinolactone (as well as aldosterone) act from the interstitial side.
Carbonic anhydrase inhibitor
Na-Cl sympo inhibitor
Mineralocoicoid antagonist
Na-K sympo inhibitor