DANB RHS PRACTICE
Comprehensive Questions
(Frequently Tested) with
Verified Answers Graded A+
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? - Answer: west
nile virus
How often should protective clothing be changed in an oral healthcare setting? - Answer: 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 - Answer:
dry the exposed film
The best way to prevent cross-contamination from an exposed film packet is by - Answer: using
individual barrier envelopes
When executing a routine hand wash, the dental assistant should lather and scrub for a
minimum of - Answer: 15 sec
During radiographic exposures, semi-critical items that must be sterilized or disposed of include
- 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? - Answer:
tubehead
The best way a dental assistant can minimize cross-contamination when exposing radiographs 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
Comprehensive Questions
(Frequently Tested) with
Verified Answers Graded A+
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? - Answer: west
nile virus
How often should protective clothing be changed in an oral healthcare setting? - Answer: 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 - Answer:
dry the exposed film
The best way to prevent cross-contamination from an exposed film packet is by - Answer: using
individual barrier envelopes
When executing a routine hand wash, the dental assistant should lather and scrub for a
minimum of - Answer: 15 sec
During radiographic exposures, semi-critical items that must be sterilized or disposed of include
- 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? - Answer:
tubehead
The best way a dental assistant can minimize cross-contamination when exposing radiographs 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
