blood and/or saliva, and hard and soft tissues removed from patient
The bio-hazard waste or regulated true or false? -correct answer-True
When should we change our mask? -correct answer-When it becomes wet or soiled with
every patient. That includes your fluids as well.
What is the purpose of PPE? -correct answer-Is to minimize the exposure to Aerosol, Spatter,
Direct transmission, and Indirect transmission (ASDI)
Do disinfectants kill spores? -correct answer-NO
What are some types of disinfectants? -correct answer-Chlorine-based compounds,
iodophors, phenols, quaternary compounds
What are some bad qualities of chlorine-based compounds? -correct answer-corrosive to
metals and strong odor
What are some bad qualities of phenols? -correct answer-may leave a film or residue on
surfaces
What are some bad qualities of iodophors? -correct answer-can discolor some surfaces
yellow
What are some bad qualities of quaternary compounds? -correct answer-not corrosive, but
have a lower kill spectrum
What would be some good qualities of disinfectants? -correct 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? -correct answer-NO, can see it when airborne
Is aerosol invisible to the eye? -correct 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? -correct answer-MSDS (Material Safety
Data Sheet)
What disinfectant should not be used as a surface disinfectant in the office and why? -
correct answer-Glutaraldehydes, toxic effects of fumes; also corrosive
What kind of disinfectants are used in the dental office? -correct answer-Intermediate
What are some methods of sterilization? -correct answer-Chemical, Dry, and Steam
During chemical sterilization, how long at what degree and pressure are used? -correct
answer-20 min @ 270 degree F @ 20-40 lbs psi
, During Dry sterilization, how long at what degree are used? -correct answer-60-120 min @
320 degree F
During Steam sterilization, how long at what degree and pressure are used? -correct answer-
20-30 min @ 250 degree F @ 15-30lb psi
What method of sterilization involves the least temperature? -correct answer-Steam at 250
degree F
What are some considerations when using the chemical method? -correct answer-
ventilation is necessary, may damage rubber and plastic items
What are some considerations when using the dry method? -correct answer-recommended
for metal instruments, avoid paper products, may damage, rubber and plastic items, and not
recommended for handpieces.
What are some considerations when using the steam method? -correct 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 tell if the instruments are sterilized? -correct answer-A weekly spore
test
Does indicator tape always guarantee sterility? -correct answer-NO, only spore test
What spore test is used with chemical sterilization? -correct answer-Geobacillus (formerly
Bacillus) stearothermophilus
What spore test is used with dry sterilization (static air)? -correct answer-Bacillus
atrophaeus/ subtilis
What spore test is used with steam sterilization? -correct answer-Geobacillus (formerly
Bacillus) Stearothermophilus
What 2 sterilization methods use the spore test Geobacillus (Bacillus)? -correct answer-
Chemical and Steam
What is another name for spore testing? -correct answer-Biological Indicators
What should the Dental Hygienist do if there are any questions regarding the patients
medical hx? -correct answer-Always contact the patient's physician first
What is the systolic pressure? -correct answer-ventricles of the heart contract sending blood
into circulation
What is the diastolic pressure? -correct answer-ventricles of the heart relax to fill with blood
returned by circulation
What is tachycardia? -correct answer-rapid pulse rate; over 100 beats per min.