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16 Cards in this Set
- Front
- Back
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Antisepsis
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The inhibition or killing of microorganisms on skin
or living tissue by use of a chemical antiseptic |
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Antiseptic
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Chemical used to inhibit or kill microorganisms on skin or living tissue.
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Aseptic
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Characteristic of an environment or procedure that is free of pathogenic contaminants
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Aseptic technique
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Methods of handling microbial cultures, patient specimens, and other sources of microbes in a way that prevents infection of the handler and others who may be
exposed. |
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Bacteriocidal
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A process or agent that kills bacteria.
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Bacteriostatic
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A process or agent that inhibits bacterial growth.
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Degerming
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Removal of microbes by mechanical means
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Disinfectant
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Physical or chemical agent used to inhibit or destroy most microorganisms and viruses on inanimate objects.
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Disinfection
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The use of physical or chemical agents to inhibit or destroy microorganisms on inanimate objects.
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Sanitization
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The process of disinfecting surfaces and utensils used by the public.
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Sterilization
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Any process that completely removes or destroys all viable microorganisms, including bacterial spores and viruses, from an object or habitat.
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Sterile
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Free of microbial contamination, including bacterial spores and viruses
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A sample from the zone inhibition can be inoculated into nutrient broth. If bacteria grow in the broth, the action of the antibiotic was bacteriostatic not bacteriocidal
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How would you tell if the action of an antibiotic is bactericidal or bacteriostatic?
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Bacillus and Clostridium species both form highly‐resistant spores.
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Why are Bacillus and Clostridium species considered more potentially resistant to disinfectants and antiseptics?
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Hydrogen peroxide breaks down to form water and oxygen, and oxygen is toxic to anaerobes.
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What is it about hydrogen peroxide that makes it effective in controlling the growth of vegetative anaerobes?
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Bacterial spores
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What would a chemical agent have to destroy in order to be called a sterilizer?
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