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13 Cards in this Set
- Front
- Back
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Sterilization |
Removal or destruction of all forms of microbial life (most resistant are endospores) |
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Disinfectant |
Destruction of vegatative pathogens (nonendospores) Applied to formites, not sterilization |
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Antiseptic |
Chemical disinfection Inhibits microbial growth Pg2 |
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Asepsis |
Absence of pathogens from an object or area |
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Sanitization |
Reduction of patbogens to safe public health levels (restaurant glassware, utensils) |
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Bacteriocydal Bacteriostatic |
Kills bacteria Inhibits growth of bacteria |
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Physical methods of control Moist heat |
Denatures proteins Boil 100°c for 10min For cups dishes and basins Doesn't kill endospore |
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Boiling |
Pg 3 |
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Autoclaving |
Steam under pressure
Uses culture media, equipment, linens
121°c 15min 15psi
Most effective Kills endospore |
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Method of prevent microbial infection |
A |
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Pasteurization |
High temp short time(72°c 15 sec) Used for: milk, cream, beer Not sterilization Eliminates milk borne pathogens; Lowers bacterial counts to prolong the quality of refrigerated milk |
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Dry heat |
Direct flame/incineration Cremation Hot air (ovens): pipetes, glassware 170°c 2 hours 100% effective |
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Filtration |
Filters with pores small Enough to retain microbes from liquids or gases Uses enzymes Vaccines Antibiotics solutions |
