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Related Flashcards
Related Topics
Cards In This Set
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What is Sterilization?
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- killing of all life forms including endospores in the object or on its surface- sterilizing agent: sterilant
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What is Positive Control?
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- you want to make microbes grow
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What is Negative Control?
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- you want to destroy microbes
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What is disinfection?
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- destruction of vegetative pathogens but not endospores- used on inanimate objects- Toxic: not safe to use on living tissues- Disinfecting agent: disinfectant
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What is Sepsis:
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- presence of pathogens or their toxins in tissues or blood
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What is Antisepsis?
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- destruction of vegetative pathogens on living tissue- Antisepsis agent: antiseptic
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What is degerming?
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- mechanical removal of microbes from the skin- rubbing alcohol on skin is degerming
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What is sanitization?
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- mechanical removal of pathogens from public eating utensils and objects- reducing number of microbes to Public Health Standards
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What is -cide?
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- to kill- agent which kills is given the suffix -cide- work by denaturing proteins- not reversible
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What is germicide?
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- kills pathogens
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What is bacteriacide?
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- kills bacteria
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What is fungicide?
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- kills fungi
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What is virucide?
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- kills viruses
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What is -stasis?
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- inhibit growth by means other than killing- inhibition is reversible- when the agent is removed, microbial growth can rapidly returnBacteriostasis: to kill microbial growth by means other than killing
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What are the factors that affect death rate?
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1. number of microorganisms2. type of microorganism3. temperature and pH of the environment4. concentration (dosage, intensity) of the agent5. Mode of action of the agent6. presence of organic matter7. time
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