Sterilization Monitoring — Flashcards

Flashcard 1: Sterilization control in hot air oven is by _____

Answer: Bacillus subtilis

Flashcard 2: _____ is used to disinfect clinical thermometers, stethoscopes, and probes

Answer: Isopropyl alcohol (70%)

Flashcard 3: _____ is used to sterilize heart-lung machines, respirators, dental equipment, sutures, books, clothing.

Answer: Ethylene oxide

Flashcard 4: Sterilization control in autoclave sterlization is by _____

Answer: Geobacillus stearothermophilus

Flashcard 5: chemical disinfectant of choice for Hep A is  _____

Answer: sod. hypochlorite

Extra: 

Flashcard 6: The method of sterilization that involves heating at _____C for 30 minutes for 3 successive days is called Inspissation

Answer: 80-85

Flashcard 7: Autoclaving at _____ degree Celsius for 1 hour or treatment with 1N NaOH for 1 hour is recommended for sterilization of prions

Answer: 134

Flashcard 8: _____ and other organic solvents can disrupt the envelope of a virus, resulting in loss of infectivity

Answer: Ether

Flashcard 9: _____ indicates the efficacy of a disinfectant as compared to phenol.

Answer: Phenol coefficient

Flashcard 10: Which commonly used disinfectants (2) cause disruption of cell membranes? _____

Answer: Alcohols and Phenols

Extra: Mechanism of action: Disruption of cell membranes and denaturation of proteins. Common examples include: 1. Alcohols (Ethanol, Isopropanol) 2. Phenols (Chlorocresol, Chloroxylenol) 3. Biguanides (Chlorhexidine) 4. Quaternary ammonium compounds (Detergents)