Term
may become contaminated not directly involved in infectious disease transmission does not require strict decontamination procedures |
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Definition
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Term
high potential for direct contamination from spray or spatter or by contact with DHCP's gloved hand |
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Definition
clinical contact surfaces |
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Term
do not come into contact with patients or devices limited risk of disease transmission |
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Definition
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Term
clean housekeeping surfaces daily with water and detergent or EPA registered low-level disinfectant |
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Definition
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Term
either use surface barriers that can be changed between patients on Clinical Contact Surfaces OR |
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Definition
clean then disinfect using an EPA approved low to intermediate level (tuberculocidal claim) hospital disinfectant |
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Term
not all surface barriers are |
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Definition
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Term
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Definition
cost more than chemical wipes |
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Term
do NOT use what on environmental surfaces |
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Definition
sterilant or high level disinfectants |
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Term
cleaning and disinfecting can be |
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Definition
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Term
if visibly soiled, cleaning and disinfecting becomes |
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Definition
a two step process (clean, then disinfect) |
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Term
concentration and nature of microorganisms amount of accumulated bio-burden concentration of chemical exposure time |
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Definition
factors of clinical effectivness |
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Term
chemicals are not effective against |
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Definition
highly resistant forms (SPORES) |
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Term
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Definition
do not disinfect instead! |
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Term
use an intermediate level disinfectant if |
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Definition
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Term
formulated for use in living tissues |
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Definition
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Term
used for germicides or surface disinfection |
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Definition
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Term
can disinfectants and antiseptics be interchanged? |
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Definition
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Term
misuse if disinfectants and antiseptics |
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Definition
can lead to tissue toxicity or equipment failure |
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Term
immersion sterilants sprays wipes environmental surface solutions |
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Definition
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Term
Must be registered with and have a label from EPA |
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Definition
requirement for use as disinfectant |
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Term
high level disinfection use |
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Definition
must be stated on the label |
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Term
tuberculocidal claims are labeled as "virucidal and fungicidal hospital disinfectant" ADA seal required |
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Definition
intermediate level disinfectant |
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Term
Borad spectrum Rapid lethal action Not affected by physical factors non toxic. non allergenic residual effect compatible economical easy to use odorless |
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Definition
Ideal disinfectant criteria (no single product meets all of these!) |
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Term
inactivates bacterial spores and all forms of bacteria, fingi and viruses contact time determines disinfection or sterilization |
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Definition
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Term
inactivates all forms of microorganisms except spores, but DOES kill TB |
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Definition
intermediate disinfectants |
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Term
inactivates vegetative bacteria and some viruses but NOT TB or spores |
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Definition
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Term
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Definition
high resistance (only killed by sterilization) |
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Term
vegetative bacteria, fungi and enveloped viruses |
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Definition
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Term
mycobacterium, non enveloped viruses |
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Definition
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Term
high level disinfectant/sterilant use: submersion Advantages: most potent germicide EPA registered sterilant kill time 10 hrs active in presence of organic matter prolonged activated life useful for heat liable materials |
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Definition
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Term
prolonged interval required for use as sterilant items must be rinsed with STERILE water Not good for surfaces (environmental) corrosive to some metals highly toxic |
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Definition
disadvantages of Glutaraldehydes |
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Term
only for heat sensitive critical and semi critical devices powerful, toxic chemicals rinse safety concerns heat tolerant or disposable alternatives are available |
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Definition
Liquid Chemical sterilant/ disinfectant |
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Term
EPA intermediate broad spectrum 5-10 min few adverse tissue reactions residual effects dilution and contact time CRITICAL daily prep necessary may discolor inactivated by hard water |
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Definition
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Term
first introduced by Dr Lister 1850 |
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Definition
complex synthetic phenols (carbolic acid) |
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Term
EPA intermediate broad spectrum rapid tuberculocidal (1-5 min) useful on metal, glass, rubber, plastic NOT sporicidal difficult to rinse film accumulation irritating can etch glass or degrade plastic |
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Definition
Complex synthetic phenols |
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Term
intermediate EPA new generation tuberculocidal broad spectrum rapid evaporation |
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Definition
Quaternary Ammonium Compounds (alcohol dual) |
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Term
unstable mixed daily EPA intermediate no toxic residue unaffected by water harness corrosive to metals damaging to fabrics degrades plastics and rubbers |
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Definition
Hypochlorite Compounds (Clorox) |
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Term
rapid bactericidal tuberculocidal and virucidal not very irritating economical NOT sporicidal rapid evaporation |
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Definition
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Term
is alcohol recommended as a surface disinfectant? |
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Definition
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Term
EPA intermediate and high broad spectrum no odor or irritation biodegradable comprise certain types of metals can damace ocular tissue few long term studies |
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Definition
Accelerated Hydrogen Peroxide |
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Term
All sterilization packaging must include _____________. |
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Definition
an internal indicator. if it is not visible then an external indicator must also be used |
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Term
______________ indicate that sterility has been achieved |
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Definition
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Term
he chain of infection comprises ______________ elements |
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Definition
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Term
Host susceptibility depends on ____________. |
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Definition
overall health and vaccination status |
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Term
All employees in dental offices must be offered ______________ vaccinations by the employer |
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Definition
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Term
Hand hygiene is _____________. |
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Definition
the single most important factor in preventing disease transmission and is performed with the objective of removing transient flora that can be transmitted from one person to another or to an inanimate object. |
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Term
Keeping fingernails (or artificial nails) short and smooth _________. |
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Definition
reduces risk of glove puncture |
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Term
Compliance with hand hygiene can be improved by ___________. |
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Definition
using soap containing emollient, avoiding hand hygiene products with ingredients that a user might be allergic to, selecting products that feel and smell pleasent |
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Term
he use of barrier protection for disinfection _____________. |
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Definition
may better protects areas that are more difficult to access, saves time, and reduces need for cleaning and disinfecting with chemicals |
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Term
he Centers for Disease Control and Prevention recommends the use of single-use, disposable patient care items when possible to reduce the risk of _______________. |
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Definition
cross-contamination and disease transmission |
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Term
Sharps disposal chairside reduces the risk of _____________. |
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Definition
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Term
SHA is charged with protecting the health and safety of ______________ in the United States. |
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Definition
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Term
Waste contact and noncontact amalgam must be _____________. |
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Definition
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Term
____________ can be placed in presoaks and ultrasonic cleaners or washers/disinfectors for cleaning prior to packaging and sterilization |
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Definition
closed perforated cassettes |
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Term
Enzymatic solutions/foams begin dissolving _____________. |
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Definition
organic tissues (blood,protein, carbohydrates, fat) and help breakdown bio-burden |
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Term
(n) _____________ must be used on clinical contact surfaces |
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Definition
EPA registered, hospital grade disinfectant |
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Term
A one-step process combining cleaning and disinfecting of clinical contact surfaces may be used if _____________. |
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Definition
1) there is no heavy soiling of the surface and 2) the chemical used contains both a disinfectant and a detergent. |
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Term
f using impregnated wipes to clean and disinfect clinical contact surfaces, check that the wipes contain sufficient liquid to _____________. |
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Definition
cover the surface, remain wet for the required TB kill time |
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