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21 Cards in this Set
- Front
- Back
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Sterilization
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the removal or destruction of all form s of microbial life. Usually implies absence of prions.
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Sterilant
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a sterilizing agent
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Commercial Sterilization
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limited heat treatment to kill endospores of clostridium botulinum in canned foods.
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Commercial Sterilization subjects only enough heat to destroy the endospores of what microbe?
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Clostridium botulinum
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Why do the endospores of thermophilic bacteria in canned not cause concern for food spoilage?
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Because at room temp they will not grow. Only if temperatures increase would spoilage occur.
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Disinfection
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Control directed at destroying harmful microorganisms (vegetative pathogens).
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What are the types of disinfection may you find used?
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chemicals, ultraviolet radiation, boiling water or steam.
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In practice, what is the most common form of disinfection.
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Chemical (disinfectant)
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Antisepsis
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disinfection directed at living tissue
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What do you call chemicals used for Antisepsis?
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antiseptics
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What is degerming or degermation?
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the removal of microorganisms in an area. Usually results in mechanical removal rather than killing.
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What is Sanitization?
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the removal of microbes from eating utensils or food preparation areas.
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Why would you want something to be sanitized.
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Intended to lower microbial counts to safe public health levels and minimize the chances of disease transmission from one user to another
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What is the suffix meaning "kill"
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-cide
ex biocide, germicide, fungicide, and virucide |
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What is the suffix for something that inhibits growth?
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-stat or -statis
ex bacteriostasis |
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What is sepsis?
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indicated bacterial contamination
comes from greek word for decay or putrid |
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What does aseptic mean?
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that an object or area is free of pathogens
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What does asepsis mean?
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the absence of significant contamination.
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Which technique is important to in surgery to minimize contamination from the instruments, operating personnel and the patient?
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aseptic
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What is a biocide?
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something that kills microorganisms, usually with certain exceptions, such as endospores
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What is a germicide?
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Something that kills microorganisms, usually with certain exceptions, such as endospores
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