Which of the following is a common indicator of sterilization effectiveness?

Practice Questions

Q1
Which of the following is a common indicator of sterilization effectiveness?
  1. Bacillus cereus spores
  2. Bacillus stearothermophilus spores
  3. Escherichia coli
  4. Staphylococcus aureus

Questions & Step-by-Step Solutions

Which of the following is a common indicator of sterilization effectiveness?
  • Step 1: Understand what sterilization is. It is a process to kill all microorganisms, including bacteria and spores.
  • Step 2: Learn about indicators. Indicators are tools or substances used to show if sterilization has been effective.
  • Step 3: Know that there are different types of indicators. Some are chemical, and some are biological.
  • Step 4: Focus on biological indicators. These use actual spores to test if sterilization worked.
  • Step 5: Identify Bacillus stearothermophilus. It is a type of spore that is very resistant to heat and is commonly used in testing steam sterilization.
  • Step 6: Conclude that Bacillus stearothermophilus spores are a common indicator of sterilization effectiveness.
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