Sodium 2–mercapto ethane sulfonate is used as a protective agent in:: (A) Radiotherapy, (B) Cancer chemotherapy, (C) Lithotripsy, (D) Hepatic encephalopathy
Answer is B. Sodium-2-mercapto ethane sulfonic acid (mesna) is used to ameliorate hemorrhagic cystitis caused by cyclophospha­mide and ifosfamide.