DA Chapter 20 Recall Questions
Which regulation requires the use of surface disinfection?
OSHA Blood-Borne Pathogens Standard
Are alcohol disinfectant effective when blood or saliva is present?
no
What are the two methods that deal with surface contamination?
1. Prevent the surface from becoming contaminated with the use of a surface barrier 2. Preclean and disinfect the surface between patients.
Which agency regulates disinfectants?
EPA
What disinfectant can leave a reddish or yellow stain?
Iodophors
How are antiseptics different from disinfectants?
antiseptics - on the skin disinfectant - on inanimate objects
What are the CDC's recommendations regarding carpeting and cloth furnishings in dental operatories, laboratories and instrument processing areas?
avoid, use hard cleanable surfaces instead
What is a more common term for sodium hypochlorite?
bleach
With what should most housekeeping surfaces be cleaned?
detergent or a low-level disinfectant
How can you help your dental office go greener?
disinfectant wipes instead of sprays recycle or digital records digital based radiology washable gowns / energy efficient washer & dryer
What is a disadvantage of synthetic phenols?
extended exposure may degrade some plastics or leave etchings on glass, many preparations are limited to one day of use, may leave a residual film on treated surfaces
Why is it recommended to use single-use items?
help to reduce the chance for patient-to-patient contamination
What is the ideal disinfectant?
rapidly kill a broad spectrum of bacteria, would exhibit residual activity and minimal toxicity and would not damage surfaces to be treated.
Why must surfaces be precleaned?
reduces the number of microbes and removes blood, saliva and other body fluids. If a surface is not clean, it cannot be disinfected.
What should you do if the barriers become torn?
remove, clean area and apply new barrier
What are two uses of chlorine dioxide?
surface disinfectants or as chemical sterilants
Why must surfaces in dental treatment rooms be disinfected or protected with barriers?
surfaces can act as reservoirs for microorganisms.
For which types of surfaces must barriers be placed?
surfaces with crevices, knobs, or other difficult-to-clean eatures
