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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