Geobacillus stearothermophilus and Bacillus atrophaeus are microbial spore populations used for which type of sterilization process monitoring?

Question

Geobacillus stearothermophilus and Bacillus atrophaeus are microbial spore populations used for which type of sterilization process monitoring?​

Quizplus · Accepted Answer

Geobacillus stearothermophilus and Bacillus atrophaeus are commonly used as biological indicators (BI) for sterilization process monitoring to verify the effectiveness of the sterilization process. They are highly resistant spores that serve as a challenge to the sterilization method and their destruction indicates that the sterilization process is sufficient. Administrative, chemical, and mechanical monitoring methods are not used to directly verify the effectiveness of the sterilization process.

Geobacillus Stearothermophilus and Bacillus Atrophaeus Are Microbial Spore Populations Used