Principles & Techniques of Disinfection
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| antiseptic | Substance for killing microorganisms on the skin
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| bioburden | Blood, saliva, and other body fluids
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| broad spectrum | Capable of killing a wide range of microbes
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| Clinical contact surface | Surface touched by contaminated hands, instruments, or spatter during dental treatment
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| disinfectant | Chemical used to reduce or lower the number of microorganisms on inanimate objects
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| environmental surfaces | surface within a dental/healthcare facility that is not directly involved in patient care, but that may become contaminated during the course of treatment
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| fungicidal | A product capable of killing fungi
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| Glutaraldehyde | Solution used for high-level disinfection and sterilization
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| housekeeping surface | Surface that is not contaminated during dental treatment
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| Immersion disinfectant | Used for soaking heat sensitive instruments
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| high-level disinfectant | Hospital disinfectant with tuberculocidal activity
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| intermediate level disinfectant | Liquid disinfectant with EPA registration as a hospital disinfectant with tuberculocidal activity. It is used for disinfecting operatory surfaces.
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| precleaning | Removal of bioburden before disinfection
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| residual activity | Action that continues long after initial application, as with disinfectants
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| reuse life | Time period that a disinfectant should remain effective during use and reuse
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| shelf life | How long a product may be stored before use.
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| single-use items | Items that are used on only one patient and then are thrown away.
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| Sodium hypochlorite | Common household bleach; an effective disinfectant.
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| sporicidal | Capable of killing bacterial spores
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| sterilant | Agent that kills all microorganisms
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| sterilzation | involves destroying all microorganisms, including spores
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| surface barrier | Fluid resistant material used to cover surfaces likely to become contaminated
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| touch surface | Surface directly touched and contaminated during procedures
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| transfer surface | Surface not directly touched but often contacted by contaminated instruments
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| tuberculocidal | Capable of inactivating tuberculosis causing microorganisms
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| virucidal | Capable of killing some viruses
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