What is the role of a biological indicator in sterilization processes?

Practice Questions

Q1
What is the role of a biological indicator in sterilization processes?
  1. To measure temperature
  2. To confirm the presence of microorganisms
  3. To verify the effectiveness of sterilization
  4. To disinfect surfaces

Questions & Step-by-Step Solutions

What is the role of a biological indicator in sterilization processes?
  • Step 1: Understand that sterilization is a process used to kill all microorganisms, including bacteria and spores.
  • Step 2: Know that biological indicators are special tools used to check if the sterilization process worked.
  • Step 3: Realize that these indicators contain spores of a specific microorganism that are resistant to the sterilization process.
  • Step 4: After the sterilization process, the biological indicator is checked to see if the spores are alive or dead.
  • Step 5: If the spores are dead, it means the sterilization was effective. If they are alive, it means the process failed.
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