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20 Cards in this Set
- Front
- Back
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sterilization |
destroys 100% of microbes |
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disinfection |
destroys vegetative pathogens, not endospores on inanimate objects |
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antiseptic |
applied directly to exposed body surfaces |
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sanitization |
mechanically removes microbes |
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factors that affect death rate |
number of microbes and types, temp, ph, etc. |
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high level germicides |
kill endospores, may be sterilants |
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intermediate level germicides |
kill fungal spores, TB and viruses |
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low level germicides |
kill vegetative bacteria, vegetative fungal cells, and some viruses |
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magic bullet |
destroys the infective agent without harming hosts cells |
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vancomycin |
staphylococcus infection resistant to penicillin and methicillin |
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sulfa drugs |
mimic PABA |
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interferon |
human based protein made by white blood cells |
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super-infections |
kill normal flora |
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causes of resistance |
mutations, overuse, inappropriate prescriptions, animal feed |
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cipro/quinoline |
attack DNA replication, by blocking DNA gyrase (unwinds DNA for copying) |
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chloroquine |
used for malaria, inhibits DNA synthesis |
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thermal death time |
shortest time to kill all test microbes at a specific time |
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thermal death point |
lowest temp. to kill all microbes in sample in 10 min |
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boiling water |
at 100C will kill all non spore forming microbes in a half hour (disinfection) |
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pasteurization |
mild heating to kill pathogens |
