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Dental Hygiene National Board New Exam Questions And Answers (A+)
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Dental Hygiene National Board New Exam Questions And Answers (A+)...
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Dental Hygiene National Board New Exam QuestionsAnd Answers (A+)
What are some examples of bio-hazard waste? - ANSWER Sharps, items that drip of
blood and/or saliva, and hard and soft tissues removed from patient
The bio-hazard waste or regulated true or false? - ANSWER True
When should we change our mask? - ANSWER When it becomes wet or soiled with every
patient. That includes your fluids as well.
PPE What for? - ANSWER Is to minimize the exposure to Aerosol, Spatter, Direct
transmission, and Indirect transmission (ASDI)
Do disinfectants kill spores? - ANSWER NO
Name some kind of disinfectants - ANSWER Chlorine-based compounds, iodophors,
phenols, quaternary compounds
What are some bad qualities of chlorine-based compounds? - ANSWER corrosive to
metals and strong odor
What are some poor qualities of phenols? - ANSWER may leave a film or residue on
surfaces
What are some poor qualities of iodophors? - ANSWER can discolor some surfaces
yellow
,What are some poor qualities of quaternary compounds? - ANSWER not corrosive, but
have a lower kill spectrum
What would be some good qualities of disinfectants? - ANSWER rapid, broad spectrum
antimicrobial, bacteriocidal, fungicidal, tuberculocidal, virucidal, odorless, easy to use,
fast acting, economical, residual effect which it continues to work after it dries, not toxic
to touch or inhalation, EPA registered, and disinfects and cleans.
Is a spatter invisible to the eye? - ANSWER NO, can see it when airborne
Is aerosol invisible to the eye? - ANSWER yes, remain in the air for a while
What sheet provides an employee with information regarding the hazards of chemicals
utilized in the office and how to protect themself? - ANSWER MSDS (Material Safety Data
Sheet)
What disinfectant should not be used as a surface disinfectant in the office and why? -
ANSWER Glutaraldehydes, toxic effects of fumes; also corrosive
What kind of disinfectants are used in the dental office? - ANSWER Intermediate
What are some forms of sterilization? - ANSWER Chemical, Dry, and Steam
In chemical sterilization how long at what degree and pressure does it use? - ANSWER
20 min @ 270 degree F @ 20-40 lbs psi
In Dry sterilization how long at what degree does it use? - ANSWER 60-120 min @ 320
degree F
HOW LONG AT WHAT DEGREE AND PRESSURE USED DURING STEAM
STERILIZATION? ANSWER 20-30 min @ 250 degree F @ 15-30lb psi
, What method of sterilization involves the least temperature? ANSWER Steam at 250
degree F
What considerations are there when using chemical method? ANSWER ventilation is
necessary, may damage rubber and plastic items
What are some things you need to watch out for when using the dry method? -ANSWER
recommended for metal instruments avoid paper products, may damage rubber and
plastic items, and should not be used on handpieces.
What are some things to consider when using the steam method? -ANSWER corrodes
non-stainless steel instruments, dulls instruments and burs, ok for some plastics; cotton
rolls and gauze, paper packages come out wet and tear.
What is the only way to know if the instruments are sterilized? - ANSWER A weekly spore
test
Does indicator tape always guarantee sterility? - ANSWER NO, only spore test
What spore test is used with chemical sterilization? - ANSWER Geobacillus (formerly
Bacillus) stearothermophilus
What spore test is used with dry sterilization (static air)? - ANSWER Bacillus atrophaeus/
subtilis
What spore test is used with steam sterilization? - ANSWER Geobacillus (formerly
Bacillus) Stearothermophilus
What 2 sterilization methods use the spore test Geobacillus (Bacillus)? - ANSWER
Chemical and Steam
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