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42 Cards in this Set
- Front
- Back
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Referring to a physical or chemical agent that kills microbes.
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microbicidal
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A process, often caused by temperature or pH shifts, in which proteins change shape and lose function.
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denaturation
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A combination of two phenol molecules used in disinfection.
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bisphenol
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A way to practically evaluate a chemical agent and its effectiveness.
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in use test
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A gas or liquid used for sterilization of large areas including hospital areas and processing plants.
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chlorine di oxide
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An agent that kills microorganisms.
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Germicidal agent
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A form of ionizing radiation that kills microbes.
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Gamma rays
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To mechanically remove organisms from a surface.
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Degerm
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To reduce microbial populations to a safe level as determined by public health standards.
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sanitization
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A cationic detergent that interacts with biological membranes.
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Quaternary ammonium compound QUAT
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A type of radiation, such as gamma rays and X rays, that causes the formation of ions
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ionizing radiation
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A pasteurization process in which milk is heated at 82°C for 3 seconds.
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Ultrapasteurization
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An agent that prevents the multiplication of bacteria without killing them.
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bacteriostatic agent
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An agent that inactivates viruses.
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virucidal agent
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A liquid that can be used as an antiseptic on cuts and scratches; it is not recommended for open wounds.
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Hydrogen peroxide
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The minimum temperature required to kill an organism in a given length of time.
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Thermal death point
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An agent that kills bacterial spores.
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Sporicidal agent
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The length of time required to kill an organism at a given temperature.
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thermal death time
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An agent that prevents the multiplication of bacteria without killing them.
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bacteriostatic agent
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The use of a direct flame to kill microbes.
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Incineration
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Ions of mercury, silver, or copper.
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heavy metals
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The contamination of an object by microbes.
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sepsis
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A chemical used to kill pathogenic microorganisms on a living object, such as the surface of the human body.
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antiseptic
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A complex of iodine and detergents that releases iodine over a long period of time; used as an antiseptic and disinfectant.
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iodophor
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A bisphenol antiseptic incorporated into a wide variety of household products.
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triclosan
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A heating process that destroys pathogenic bacteria in a fluid such as milk and lowers the overall number of bacteria in the fluid.
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Pasteurization
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The removal of all life forms, including bacterial spores and viruses.
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sterilization
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A surface-active agent that emulsifies and solubilizes particles.
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surfactant
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An agent that kills bacteria.
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baactericidal agent
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A sterilization method in which materials are heated in free-flowing steam for 30 minutes on each of three successive days; also called fractional sterilization.
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Tyndallization
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A chemical element whose atoms have seven electrons in their outer shell; examples are iodine and chlorine.
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Halogen
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A gas that can be used to sterilize instruments and plasticware.
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Ethylene oxide
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A process of pasteurization in which milk is heated at 62.9°C for 30 minutes; also known as the LTLT method, for low temperature, long time.
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holding method
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A process of pasteurization in which milk is heated at 71.6°C for 15 seconds and then cooled rapidly; also known as the HTST method, for high temperature, short time.
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flash pasturization method
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A form of radiant energy used to control microbial growth.
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Ultraviolet light
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An agent that kills fungi.
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Fungicidal agent
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A chemical used to kill pathogenic microorganisms on a lifeless object such as a tabletop.
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disinfectant
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A number that indicates the effectiveness of an antiseptic or disinfectant compared to phenol.
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Phenol coefficient PC
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A solution of formaldehyde used as embalming fluid, in the inactivation of viruses, and as a disinfectant.
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formalin
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A laboratory instrument that sterilizes microbiological materials by means of steam under pressure.
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autoclave
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An effective chemical liquid for sterilization of optical equipment.
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glutaraldehyde
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A form of ionizing radiation that kills microbes.
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x rays
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