Sterilization, Disinfection, and Antisepsis Quiz

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

Aseptic (correct)

Moist radiation

Filtration

Heat

What is the difference between disinfectants and antiseptics?

Disinfectants are for living tissues while antiseptics are for inanimate surfaces.

Disinfectants are not used in medical settings while antiseptics are.

Disinfectants are less effective than antiseptics.

Disinfectants destroy microorganisms while antiseptics inhibit their growth. (correct)

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

Heat

UV light (correct)

Dry Moist

Ionizing radiation

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

Cobalt Signup and view all the answers

Which of the following methods does NOT involve chemical sterilization?

Heat sterilization Signup and view all the answers

What is the main difference between sporostatic and sporocidal disinfectants?

Sporostatic inhibits spore germination while sporocidal kills spores. Signup and view all the answers

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

Removing most bacteria but not viruses Signup and view all the answers

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

0.22 micron Signup and view all the answers

What is the purpose of Tyndallization mentioned in the text?

To kill heat-resistant spores through multiple boiling steps Signup and view all the answers

What is the principle behind autoclaving as a sterilization method?

Replacing air with pure saturated steam under pressure Signup and view all the answers

How does pasteurization differ from sterilization?

Pasteurization does not achieve sterilization and uses lower temperatures Signup and view all the answers

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

For even distribution of heat in the chamber Signup and view all the answers

Sterilization, Disinfection, and Antisepsis Quiz

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Questions and Answers

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

What is the difference between disinfectants and antiseptics?

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

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

Which of the following methods does NOT involve chemical sterilization?

What is the main difference between sporostatic and sporocidal disinfectants?

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

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

What is the purpose of Tyndallization mentioned in the text?

What is the principle behind autoclaving as a sterilization method?

How does pasteurization differ from sterilization?

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

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