Indicator used in autoclave is -
Ans: b (Bacillus stearothermophilus) Ref: Ananthanarayan, 7th ed,p. 78 Autoclaving: (Moist heat) (121degC X 15 min under 15 lb/sq.inch pressure) - dressings, gloves, glass syringes, culture media, suture materials except catgut. Sterilizing control is by bacillus stearo thermophilus. Hot air oven: (Dry heat) (160degCX 1 hr)-glasswares, glass syringes, oil, grease, liquid paraffin, dusting powder. Sterilization control is by spores of non toxigenic strains of Clostridium tetani.
Clostridium tetani
Bacillus stearothermophilus
Bacillus pumilis
Bacillus subtilis Var Niger
General