In diabetes insipidus, diuretic showing paradoxical antiduretic activity -
Ans. is 'a' i.e., Thiazide Thiazide diuretics paradoxically decrease urine output in DI due to formation of cAMP in distal tubules effective in both central and nephrogenic DI.
Thiazide
Triamterene
Spironolactone
Furosemide