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level: Definitions and Standards for Removing Microorganisms (slide 7)

Questions and Answers List

slide 7 of the ppt

Question	Answer
Application of an agent to living tissue for the purpose of preventing infection	Antisepsis
Destruction or marked reduction in the number or activity of microorganisms	Decontamination
Chemical or physical treatment that destroys most vegetative microbes or viruses, but not spores, in or on inanimate surfaces	Disinfection
Reduction of microbial load on an inanimate surface to a level considered acceptable for public health purposes	Sanitization
A process intended to kill or remove all types of microorganisms, including spores, and usually including viruses with an acceptably low probability of survival	Sterilization
A process that kills nonsporulating microorganisms by hot water or steam at 65 C - 100 C	Pasteurization
Ideal disinfectants:	1 exerts rapidly lethal action against all potentially pathogenic microorganisms and spores 2 Good penetrating properties into organic matter 3 Shares compatibility with organic compounds (soaps) 4 Not inactivated by living tissue 5 Noncorrosive 6 Aesthetically pleasing (non staining and odorless)