Xray Infection Prevention (quizlet)

Question 1

Which part of the x-ray machine should be covered or disinfected after each patient?

Answer 1

tubehead

Question 2

Which of the following will best protect the dental assistant from cross-contamination while exposing radiographs?

Answer 2

gloves

Question 3

The best way to prevent cross-contamination when using a sensor is by

a) sterilization.
b) disinfection.
c) using an antiseptic rinse agent.
d) using individual barrier sleeves.

Answer 3

d) using individual barrier sleeves.

Question 4

When taking digital images, when should the operator put on PPE?

a) Before entering the patient’s information in the computer

b) After adjusting the control settings

c) Before handling any items to be placed in the patient’s mouth

d) After wiping the sensor with disinfectant

Answer 4

c) before handling any items to be placed in the patient’s mouth

Question 5

Digital radiography positioning devices should be

a) disposed after use.

b) wiped with surface disinfectant for reuse.

c) heat sterilized.

d) all of the above

Answer 5

d) all of the above

Question 6

After a patient has been dismissed, dental unit surfaces and counter tops that may have been contaminated should be cleaned with an EPA-registered

a) high-level disinfectant.
b) low-level disinfectant.
c) intermediate-level disinfectant.
d) standard-level disinfectant.

Answer 6

intermediate-level disinfectant.

Question 7

The best way a dental assistant can minimize cross-contamination when exposing radiographs is to;

a) prepare the room after the patient is seated.

b) dispose of items according to regulations.

c) touch as few surfaces as possible.

d) wash hands before and after procedures.

Answer 7

c) touch as few surfaces as possible.

Question 8

Which of the following is considered critical and should be sterilized after use?

a) sensor
b) bite tab of XCP holder
c) PSP plate
d) PID/cone of the x-ray unit

Answer 8

b) bite tab of XCP holder

Question 9

During the exposure of digital radiography the operator should;

a) Put on gloves to access additional items from a drawer.

b) Require the patient to wear safety glasses.

c) replace the sensor barrier sleeve after each exposure.

d) remove gloves to push the exposure button.

Answer 9

a) Put on gloves to access additional items from a drawer. ?!!!!!!!! WHAT?!!!! 😭

Question 10

Which organization regulates disinfectants and chemical sterilants?
a) FDA
b) CDC
c) ADA
d) EPA

Answer 10

d) EPA

Question 11

What image receptor semicritical item should be sterilized before reuse?
a) Positioning device
b) Sensor
c) Lead apron
d) None of the above

Answer 11

a) positioning device

Question 12

The lead apron and thyroid collar used during radiography should be disinfected;

a) after each use.
b) when visibly soiled.
c) twice daily.
d) once weekly.

Answer 12

a) after each use

Question 13

Which of the following pathogens is NOT found in oral or respiratory secretions?
a) Flu virus
b) West Nile virus
c) Hepatitis B virus
d) Mycobacterium tuberculosis

Answer 13

b) West Nile virus

Question 14

Which of the following should be used to prevent cross-contamination from exposure buttons?

a) Disinfectant spray
b) Alcohol wipe
c) Plastic cover
d) Bleach solution

Answer 14

c) plastic cover

Question 15

The total destruction of microorganisms and spores on reusable instruments is accomplished by;

a) ultrasonic immersion.
b) spraying with a germicide.
c) disinfecting.
d) sterilizing.

Answer 15

d) sterilizing

Question 16

After use, a dental sensor should be;

a) washed with a mild soap and rinsed with sterile water.

b) prepared for reuse according to manufacturer instructions.

c) processed in a dry heat sterilizer.

d) placed into a paper cup and covered with high level disinfectant.

Answer 16

b) prepared for reuse according to manufacturer instructions.

Question 17

According to the CDC, how are the transmission of pathogens minimized when using phosphor sensors to capture radiographic images?

a) By chemically sterilizing the sensor

b) By heat sterilizing the sensor

c) By using a high-level disinfectant on the sensor

d) By placing a plastic barrier over the sensor

Answer 17

d) By placing a plastic barrier over the sensor

Question 18

If disposable barriers are not used during a radiographic procedure all clinical surfaces should be;

a) wiped down.
b) dried.
c) disinfected.
d) sterilized.

Answer 18

c) disinfected

Question 19

If a patient has a cough or cold what PPE should the operator wear while exposing digital radiographs?

a) Mask
b) Eye protection
c) Gloves
d) All of the above

Answer 19

d) All of the above

Question 20

After using a lead apron on a patient for digital radiograph exposure, it should be;

a) folded and stored in a closed cupboard for future use.

b) covered with a barrier.

c) wiped with intermediate disinfectant.

d) sprayed with high level disinfectant.

Answer 20

c) wiped with intermediate disinfectant.

Question 21

When preparing a patient for digital exposures, PRIOR to putting on gloves the dental assistant should;

a) assemble the positioning device.
adjust lighting.

b) place the lead apron.

c) wipe the sensor with an intermediate disinfectant

Answer 21

b) place the lead apron

Question 22

What surfaces remain uncovered during digital radiograph exposure and would need to be disinfected between patients?

a) Lead apron
b) Positioning device
c) Work surfaces
d) A and B

Answer 22

d) A & B ?!!!! gurl wtf?!!! 😭😭😭

Question 23

During radiographic exposures, semi-critical items that must be sterilized or disposed of include;

a) PID.
b) tubehead.
c) sensor positioning devices.
d) exposure buttons.

Answer 23

c) sensor positioning devices

Question 24

To prevent cross-contamination, wipe the counter top with

a) soap and water.
b) an EPA-approved disinfectant.
c) alcohol wipes.
d) bleach solution.

Answer 24

b) an EPA-approved disinfectant

Question 25

Which of the following items is considered a biohazardous waste in a dental office? a) Bitewing tabs b) Bloody gauze c) Fixer solution d) Tray covers

Answer 25

b) bloody gauze

Question 26

What radiography equipment would most likely come into contact with mucous membranes and are considered semi-critical devices? a) Tube head b) Lead apron c) Sensors d) All of the above

Answer 26

c) sensors

Question 27

When should gloves be worn while taking radiographs? a) do not wear when putting XCP holder together b) do not wear when disinfecting after the procedure c) wear when placing receptor into the mouth d) wear when putting barriers on x-ray unit

Answer 27

c) wear when placing receptor into the mouth

Question 28

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) sterilize the surface using a chemical sterilant. d) disinfect the surface with an intermediate-level disinfectant.

Answer 28

d) disinfect the surface with an intermediate-level disinfectant.

Question 29

What are acceptable methods for processing digital sensors between patient use? a) Heat sterilization b) Immersion in high-level c) disinfection d) Disposal of sensor e) None of the above

Answer 29

d) none of the above?!!!!!!!!! wtf okay? 😭😭 LOOK AT pg 148 @ bottom under 'DIGITAL SENSORS'

Question 30

After the completion of a radiographic procedure, the PID should be; a) dried. b) disinfected. c) exposed. d) sterilized.

Answer 30

b) disinfected

Question 31

Because digital sensors are reused repeatedly, the dental assistant; a) must carefully remove and dispose the sensor sleeve into the general waste b) must remove the sensor sleeve with ungloved hands c) should place the sensor into a high-level disinfectant for 10 hours d) All of the above

Answer 31

a) must carefully remove and dispose the sensor sleeve into the general waste

Question 32

When executing a routine hand wash, the dental assistant should lather and scrub for a minimum of a) 15 seconds. b) 20 seconds. c) 30 seconds. d) 25 seconds.

Answer 32

b) 20 seconds

Question 33

To minimize potential infections from semi-critical items it is important the operator; a) spray disinfectant on the exposure button between patients. b) spray the positioning device with an intermediate disinfectant. c) wear utility gloves during digital radiograph exposure. d) clean and disinfect devices after removal of surface barriers.

Answer 33

d) clean and disinfect devices after removal of surface barriers.

Question 34

How often should protective clothing be changed in an oral healthcare setting? a) Twice daily b) When visibly soiled c) After each patient d) Once weekly

Answer 34

b) when visibly soiled

Question 35

What infection control steps are performed prior to and during dental imaging procedures? a) Place barriers on tube head, dental chair, work area, and computer b) Perform handwashing and gloves c) Cover sensor with barrier d) All of the above

Answer 35

d) all of the above

Question 36

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) attach the wire to the sensor. c) sterilize the sensor. d) Place a barrier on the sensor

Answer 36

d) place a barrier on the sensor