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42 Cards in this Set

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