Which of the following is a common indicator organism used to test the efficacy
Practice Questions
Q1
Which of the following is a common indicator organism used to test the efficacy of sterilization?
Escherichia coli
Bacillus subtilis
Staphylococcus aureus
Pseudomonas aeruginosa
Questions & Step-by-Step Solutions
Which of the following is a common indicator organism used to test the efficacy of sterilization?
Step 1: Understand what an indicator organism is. It is a type of microorganism used to show whether sterilization has been effective.
Step 2: Learn about Bacillus subtilis. It is a type of bacteria that forms spores, which are very resistant to heat and other sterilization methods.
Step 3: Recognize that Bacillus subtilis spores are used in testing because if they are killed during sterilization, it means the process is effective.
Step 4: Remember that using Bacillus subtilis spores is a common practice in laboratories and medical settings to ensure sterilization works properly.
