To prevent cross-contamination, wipe the counter top with - ANSWER an epa- approved
disinfectant
If disposable barriers are not used during a radiographic procedure all clinical surfaces
should be - ANSWER disinfected
Which of the following pathogens is NOT found in oral or respiratory secretions? - AN-
SWER west nile virus
How often should protective clothing be changed in an oral healthcare setting? - AN-
SWER when visibly soiled
When preparing to take a digital radiograph, after selecting the appropriate sensor size for
the patient, the next step is to - ANSWER place a barrier on the sensor
The total destruction of microorganisms and spores on reusable instruments is accomplished
by - ANSWER sterilizing
Which organization regulates disinfectants and chemical sterilants? - ANSWER EPA
After an exposed film has been removed from a patient's mouth, the next step is to - AN-
SWER dry the exposed film
When executing a routine hand wash, the dental assistant should lather and scrub for a min-
imum of - ANSWER 15 sec
1
, The best way to prevent cross-contamination from an exposed film packet is by - AN-
SWER using individual barrier envelopes
During radiographic exposures, semi-critical items that must be sterilized or disposed of in-
clude - ANSWER film holding devices
Which type of gloves are required for the decontamination of the darkroom? - ANSWER
nitrile utility
Which part of the x-ray machine should be covered or disinfected after each patient? - AN-
SWER tubehead
The best way a dental assistant can minimize cross-contamination when exposing radio-
graphs is to - ANSWER touch as few surfaces as possible
After a patient has been dismissed, dental unit surfaces and counter tops that may have
been contaminated should be cleaned with an EPA-registered - ANSWER intermediate-
level disinfectant
When removing a protective barrier after the exposure of radiographs, if a dental assistant
touches the surface beneath the barrier the dental assistant must - ANSWER disinfect the
surface with an intermediate- level disinfectant
Which of the following will best protect the dental assistant from cross-contamination
while exposing radiographs? - ANSWER gloves
When preparing a patient for a radiographic procedure, PRIOR to putting on gloves
the dental assistant should - ANSWER place the lead apron
2
disinfectant
If disposable barriers are not used during a radiographic procedure all clinical surfaces
should be - ANSWER disinfected
Which of the following pathogens is NOT found in oral or respiratory secretions? - AN-
SWER west nile virus
How often should protective clothing be changed in an oral healthcare setting? - AN-
SWER when visibly soiled
When preparing to take a digital radiograph, after selecting the appropriate sensor size for
the patient, the next step is to - ANSWER place a barrier on the sensor
The total destruction of microorganisms and spores on reusable instruments is accomplished
by - ANSWER sterilizing
Which organization regulates disinfectants and chemical sterilants? - ANSWER EPA
After an exposed film has been removed from a patient's mouth, the next step is to - AN-
SWER dry the exposed film
When executing a routine hand wash, the dental assistant should lather and scrub for a min-
imum of - ANSWER 15 sec
1
, The best way to prevent cross-contamination from an exposed film packet is by - AN-
SWER using individual barrier envelopes
During radiographic exposures, semi-critical items that must be sterilized or disposed of in-
clude - ANSWER film holding devices
Which type of gloves are required for the decontamination of the darkroom? - ANSWER
nitrile utility
Which part of the x-ray machine should be covered or disinfected after each patient? - AN-
SWER tubehead
The best way a dental assistant can minimize cross-contamination when exposing radio-
graphs is to - ANSWER touch as few surfaces as possible
After a patient has been dismissed, dental unit surfaces and counter tops that may have
been contaminated should be cleaned with an EPA-registered - ANSWER intermediate-
level disinfectant
When removing a protective barrier after the exposure of radiographs, if a dental assistant
touches the surface beneath the barrier the dental assistant must - ANSWER disinfect the
surface with an intermediate- level disinfectant
Which of the following will best protect the dental assistant from cross-contamination
while exposing radiographs? - ANSWER gloves
When preparing a patient for a radiographic procedure, PRIOR to putting on gloves
the dental assistant should - ANSWER place the lead apron
2
