Sterilization, Disinfection, and Antisepsis Quiz

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12 Questions

Which sterilization method is characterized by the absence of pathogenic microbes?

Aseptic

What is the difference between disinfectants and antiseptics?

Disinfectants destroy microorganisms while antiseptics inhibit their growth.

Which method of sterilization has limited power due to poor penetration into most materials?

UV light

What is the primary source of gamma radiation used in ionizing radiation sterilization?

Cobalt

Which of the following methods does NOT involve chemical sterilization?

Heat sterilization

What is the main difference between sporostatic and sporocidal disinfectants?

Sporostatic inhibits spore germination while sporocidal kills spores.

What is the main use of filtration mentioned in the text?

Removing most bacteria but not viruses

Which is the recommended size filter that will exclude the smallest bacteria cells?

0.22 micron

What is the purpose of Tyndallization mentioned in the text?

To kill heat-resistant spores through multiple boiling steps

What is the principle behind autoclaving as a sterilization method?

Replacing air with pure saturated steam under pressure

How does pasteurization differ from sterilization?

Pasteurization does not achieve sterilization and uses lower temperatures

Why is an oven with a fan preferred over one without a fan for sterilizing items?

For even distribution of heat in the chamber

Test your knowledge on sterilization, disinfection, and antisepsis techniques. Learn about the difference between these processes and their importance in preventing the spread of harmful microorganisms.

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