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WorksheetsRDA Quiz 2 Infection Control
Total questions: 64
Worksheet time: 32mins
An ultrasonic cleaner is preferred to hand scrubbing because it ______.
uses sound waves to reach all areas of the instruments
uses a cavitation process
is safer for the auxiliary
all of the above
After instruments have been removed from the ultrasonic cleaner, they __________.
should be rinsed and dried
are disinfected
are sterilized
must be cleaned by hand scrubbing
It is easier to _____ sterilization.
achieve
maintain
none
I just don't know.
A disadvantage of an ethylene oxide sterilization system is _________.
There are no disadvantages
Work in 1 hour
it requires ventilation
it fails to sterilize properly
The preferred sterilization method for instruments with surgical cutting edges is ___________.
immersion sterilization
steam under pressure
hot bead
dry heat
An autoclave sterilizes by using____________________.
chemical vapors
steam under pressure
dry heat
liquid chemicals
The autoclave takes __________to sterilize.
30 minutes at 350 degrees at 20 psi
15 minutes at 350 degrees at 15 psi
15 minutes at 250 degrees at 15 psi
60 minutes at 250 degrees at 15 psi
A liquid chemical sterilizer requires_______________to sterilize.
room temperature for 10 hours
room temperature for 10 minutes
elevated temperature for 1 hour
elevated temperature for 10 hours
A dry-heat sterilizer requires ___________ to sterilize.
150 degrees for 2 hours
250 degrees for 2 hours
340 degrees for 1 hour
270 degrees for 30 minutes
The autoclave requires which type of water to function properly?
Sterile
Saline
Tap
Distilled
If during the operation of the autoclave a hissing sound comes from the unit, what is the cause?
The wrong solution was placed in the chamber.
The wrong sterilization times for operation was selected
The door was shut improperly
The gasket is displaced or torn
The best way to store sterilized instruments is to store them in ____________.
a sterile cabinet
the package in which they were sterilized
in sterile racks on the counter
none of the above
Failure of complete sterilization in an autoclave could result from ________________________.
overloading the chamber
improper wrapping of instruments
improper setting of time and temperature
all of the above
The most accurate way to ensure that sterilization has occurred is to use_____________________.
a process indicator
a dosage indicator
biological indicators
all of the above
Which method indicates that packages in a sterilizer have been exposed to heat?
The use of a process indicator
The use of biological indicators
Both
Neither
With which solution may patients be asked to rinse their mouths to reduce microorganisms?
Perioxide
Sodium hypochorite
Chlorhexidine gluconate
Saline
The most effective way to reduce the amount of aerosols coming form the high-speed handpiece from being sprayed into the air is to _________________________.
turn off the water to the handpiece
place the rubber dam on the patient
use the saliva ejector
use the HVE
All the following statements are true EXCEPT:
Disposable items can be disinfected and reused
Disposable items are ideal for infection control
Disposable items may be more expensive overall for the dentist
Disposable items are intended for single use only.
Running the water lines in the unit for ______________flushes out the system
5 seconds
10 seconds
20 seconds
30 minutes
Name the organization that is composed of dental health care workers and that helps dental offices correct infection control.
OPIM
EPA
OSAP
FDA
If the dental assistant has not had the hepatitis B series of vaccine, the employer is responsible for ________________.
immunization information
information regarding the availability of the vaccine during initial training
paying for the vaccine series
all of the above
The term that indicates that most individuals infected with HBV or HIV have no symptoms is _______________.
asepsis
antiseptic
SOP
asymptomatic
Sterilizing plastics requires special consideration. Which of the following is NOT recommended for plastic?
Liquid chemical
Ethylene oxide
Dry heat
Chemical vapor
The microbe, found in dental unit water lines, represents this slime layer that allows bacteria , fungi, and viruses to multiply.
Idophor
Chlorine dioxide
Peroxide
Biofilm
_____________is a system that requires that PPE be worn to protect against contact with all body fluids, whether or not blood is visible.
OSHA
CDS
OPIM
BSI
Which of the following are included in the written exposure plan?
All employees list tasks in each job classification and identify which category they fall under.
The office must have a schedule for implementation.
A manual and procedure plan are written to cover compliance for office PPE and safety issues
All of the above
Protective eyewear worn during specific phases of dental treatment will protect from the following EXCEPT:
splatter of saliva
conjunctivities
chemical vapor
hepatitis
What color of eyewear is normally worn to protect from curing dental materials?
Opaque
Orange
Clear
Gray
This agency regulates the glove specification for the health care industry.
CDA
OSHA
FDA
EPA
This latex allergic reaction is characterized by hands becoming itchy and sometimes cracked.
Contact dermatitis
Latex Hypersensitivity
Type IV
Type I
All the dental office items listed below contain potential latex EXCEPT_____________________.
dental dam
treatment gloves
masking tape
rubber bands
Which of the following are special protective clothing regulated by OSHA?
Uniform
Lab coats
Gowns
All of the above
The cleaning device that uses a cavitation process to clean debris from the instruments is__________________.
bead sterilizer
ultasonic
antimicrobial rinse
iodophor solution
Sterilization indicators are used to ensure which of the following errors do not occur?
Bags are not overfilled
Sterilizers are not overpacked
Both
None of the above
The creation of an environment free of pathogens is ______________.
aseptic technique
disinfection
sterilization
asepsis
Universal precautions mean_____________.
most patients are treated as if infectious
all patients are treated as if infectious
both
I don't know
Examples of times when personal protective equipment (PPE) must be worn are __________.
initial examination of patient
seating and positioning the patient
surgical extraction of a third molar
initial examination of patient and surgical extraction of third molar.
Which regulatory body enforces the law that employers must protect their employees from exposure to infectious materials?
ADA
OSHA
FDA
EPA
What items are included in the Bloodborne Pathogens Standard?
Train all employees in a timely manner and Provide all PPEs
Provide employees with everything to meet standard regulations and Pay for hepatitis B vaccination series
Establish standards for disposing of hazardous waste
All of the Above
Which written plan lists how to evaluate situations involving exposure?
Occupational exposure
Exposure determination
Written exposure
OSHA
Under which exposure category would the dental assistant be classified?
1
3
2
None of the above
Which regulatory agency is involved in regulating the disposal of hazardous waste after it leaves the dental office?
EPA
ADA
OSHA
State Dental Practice Act
OSHA training must involve which of the following personnel?
Full-time
Temporary
Part-time
All of the above
Where is the labeling and waste disposal information found for a product?
Ask the dentist
MSDS/SDS
There is never a problem disposing of any product
OSHA Communication Standard
One of the best ways to prevent the spread of microorganisms from one person to another is by _______________.
handwashing
handwashing with water and a microbial soap
covering the mouth during a sneeze
handwashing with water and an antimicrobial soap
Antimicrobial means
Sterilization
Growth inhibitor
Disinfection
All of the above
At a minimum, a _____ handwash should be done
15-second
1-minute
30-second
15-minute
The glove of choice for working chairside is the _____ glove.
utility
latex
over
surgical
After the procedure, gloves that were not torn or ripped should be ____________________.
washed, dried and used until they are torn or ripped
sterilized for later use
disinfected for later use
removed and thrown away
Food-handler gloves are used in a dental procedure
They are not used in a dental procedure
to clean the operatory
to remove hot items from the sterilizer
when placed over latex gloves to retrieve something inside a drawer.
Utility gloves are used in a dental procedure ______________.
To handle instruments
to clean the operatory
to remove hot items from the sterilizer
When placed over latex gloves to retrieve something inside a drawer.
A mask is worn by dental team members to ________.
protect the mucous membranes of the nose and mouth
keep from having to smell the patient's bad breath
keep from breathing on the patient
I don't know
The standards for wearing a mask include ________________.
replacing it when it becomes moist
Placing a new mask for each patient
never letting the mask dangle from one ear
All of the above
Protective clothing worn during dental treatment includes__________________.
short-sleeve gowns for comfort during the summer months
V-neck and cuffed wrist area
high-neck and cuffed wrist area
There are no specific requirements for clothing
The physical removal of organic matter from surfaces or instruments is __________________.
disinfection
cleaning
sterilization
sanitizing
Some products require as few as _______ to disinfect.
(Cold Sterile)
10 minutes
5 hours
30 minutes
10 hours
The only way to verify the time requirement for a particular product is by__________________.
calling the manufacturer
reading the label
asking the dentist
all of the above
The disinfection level that kills some viruses and fungi and most bacterial microorganisms is __________level.
high
low
intermediate
none of the above
The disinfection level that destroys most, but not all, bacterial spores is _______ level.
high
low
intermediate
none of the above
The disinfection level that does not kill bacterial spores is __________ level.
high
low
intermediate
none of the above
If during an immersion disinfection procedure an additional instrument is added to the solution before the disinfection time is up, the
time must be started over for all instruments
first instruments can be removed according to the original time limit
both
I don't know
Sodium hypochlorite is
irritating to eyes
unstable and must be mixed daily
corrosive to metals
All of the above
Which disinfectant can stain light-colored vinyl or plastics?
Chlorine dioxide
Idophors
Sodium hypochlorite
None of the above
Which is true of isopropyl alcohol ?
It is not used as a disinfectant agent in a dental office
it requires special ventilation in the room during use
It does a fine job of disinfecting handpieces
None of the above
