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19 Cards in this Set
- Front
- Back
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physical agents |
heat, radiation |
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chemical agents |
gases, liquids |
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sterilization |
destroys 100% of microbes |
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disinfection |
destroy vegetative pathogens NOT endospores |
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antiseptic |
applies directly to exposed body surfaces |
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sanitization |
mechanically removes microbes |
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Thermal death time |
shortest time to kill all test microbes at a specified temperature |
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filtration |
physical removal of all microbes |
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levels of chemical decontamination |
- high level germicides - intermediate level - low-level |
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germicidal categories |
halogens, alcohols, hydrogen peroxide, soaps, heavy metals, dyes |
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cell wall inhibitors |
block synthesis and repair (penicillin's, bacitracin, vanomycin) |
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cell membrane |
causes loss of selective permeability (polymyxins) |
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DNA/RNA |
inhibit replication and transcription (cirpofloxacin) |
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drugs that affect metabolic pathways? |
- sulfonamides (sulfa drugs), mimic PABA, inhibit folic acid synthesis |
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amino glycosides are antibacterial drugs that target |
protein synthesis |
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which drug inhibits bacteria by blocking folic acid synthesis |
sulfonamides |
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interferons INF |
human based protein made by white blood cells |
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antibiotic resistance |
- too much - over use - wrong dose - mutation |
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how to stop resistance |
- don't over use antibiotics - don't go out when sick - wash hands - wash raw fruit |
