Correct Answers New Update (A
Pass)
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