In the presence of renal failure.............. should not be given -
Furosemide
Bumetanide
Spironolactone
None
Ans. is 'c' i.e., Spironolactone In renal failure loop diuretics (Furosemide, Bometanide. Torasemide) are DOC. Thiazides are ineffective in renal failure. Spironolactone can cause dangerous hyperkalemia if renal function is inadequate.