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Biology of Sterilization

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Questions and Answers

Which type of microorganisms are used as biological indicators (BIs)?

Gram-negative bacteria

Spore-forming microbes in an active state

Non-spore-forming microbes

Gram-positive bacteria (correct)

Why are spore-forming microbes used as BIs instead of non-spore-forming microbes?

Non-spore-forming microbes are more resistant to sterilization

Spore-forming microbes represent the actual bioburden on items (correct)

Non-spore-forming microbes are more prevalent in the environment

Spore-forming microbes are easier to kill during sterilization

What is the purpose of a biological indicator (BI)?

To test the effectiveness of a sterilization process (correct)

To identify the type of microorganisms present

To determine the bioburden on items

To clean and disinfect items

What is the resistance of a biological indicator (BI) during sterilization?

It is highly resistant Signup and view all the answers

Why are spore-forming microorganisms well characterized and selected for biological indicators (BIs)?

To ensure their effectiveness as BIs Signup and view all the answers

Which type of microorganisms are used as biological indicators (BIs)?

Spore-forming microorganisms Signup and view all the answers

What is the purpose of using biological indicators (BIs) in sterilization processes?

To validate the effectiveness of sterilization processes Signup and view all the answers

Why are spore-forming microbes preferred as biological indicators (BIs) over non-spore-forming microbes?

Spore-forming microbes are easier to kill during sterilization Signup and view all the answers

What does the ability of a biological indicator (BI) to mimic 'worst-case' bioburden scenarios validate?

The effectiveness of sterilization processes Signup and view all the answers

Why are spore-forming microorganisms considered a minimal subset of the actual bioburden on items to be sterilized?

Spore-forming microorganisms are more common in worst-case scenarios Signup and view all the answers

Biology of Sterilization

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Questions and Answers

Which type of microorganisms are used as biological indicators (BIs)?

Why are spore-forming microbes used as BIs instead of non-spore-forming microbes?

What is the purpose of a biological indicator (BI)?

What is the resistance of a biological indicator (BI) during sterilization?

Why are spore-forming microorganisms well characterized and selected for biological indicators (BIs)?

Which type of microorganisms are used as biological indicators (BIs)?

What is the purpose of using biological indicators (BIs) in sterilization processes?

Why are spore-forming microbes preferred as biological indicators (BIs) over non-spore-forming microbes?

What does the ability of a biological indicator (BI) to mimic 'worst-case' bioburden scenarios validate?

Why are spore-forming microorganisms considered a minimal subset of the actual bioburden on items to be sterilized?

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