DANB RSH DOMAIN IV INFECTION CONTROL QUESTIONS AND VERIFIED ANSWERS

Which part of the x-ray machine should be covered or disinfected after each patient?
A. Extension arm
B. Anode
C. Filament circuit
D. Tubehead


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D. Tubehead

, When executing a routine hand wash, the dental assistant should lather and scrub for
a minimum of:
A. 30 seconds.
B. 15 seconds.
C. 25 seconds.
D. 20 seconds.


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B. 15 seconds.




When removing a protective barrier after the exposure of radiographs, if a dental
assistant touches the surface beneath the barrier the dental assistant must:
A. clean the surface using alcohol wipes.
B. dry the surface using clean 2x2 gauze.
C. disinfect the surface with an intermediate-level disinfectant.
D. sterilize the surface using a chemical sterilant.


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C. disinfect the surface with an intermediate-level disinfectant.




When preparing to take a digital radiograph, after selecting the appropriate sensor
size for the patient, the next step is to:
A. place the sensor in the mouth.
B. sterilize the sensor.
C. place a barrier on the sensor.
D. attach the wire to the sensor.


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