Sputum can be disinfected by all except: (A) Autoclaving, (B) Chlorhexidine, (C) Boiling, (D) Cresol
Answer is B. Autoclaving is the safest and most effective method for sputum disinfection Incineration is an effective alternative. Boiling used after an initial disinfection by 5% phenol (carbolic acid) or its derivatives like Lysol and Cresol.