The Sound of Clean

1. What piece of decontamination equipment is often underutilized?

a. Washer disinfector

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b. Sink

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c. Automated dosing system

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d. Ultrasonic

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e. Cart washer disinfector

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2. This is the rapid formation and implosion of microscopic bubbles.

a. Microplanning

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b. Cavitation

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c. Oscillation

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d. Assimilation

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3. At what frequency do ultrasonic cleaners for medical devices operate at?

a. 10-30 kHz

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b. 40-132 kHz

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c. >150 kHz

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4. Why is temperature important to ultrasonic cleaners?

a. High temperatures are needed to remove blood

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b. Low temperatures are needed to create cavitation

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c. Helps achieve optimal cleaning

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d. Helps achieve thorough rinsing

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5. Which are the four parameters an ultrasonic uses to clean?

a. Time, temperature, cavitation, chemistry

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b. Time, temperature, passivation, chemistry

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c. Temperature, cavitation, chemistry, automation

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d. Temperature, cavitation, chemistry, impingement

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6. Where should test(s) be placed in the ultrasonic tank?

a. Nowhere, because testing is not required

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b. A test should be placed according to the manufacturer's IFU

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c. One test should be placed in the middle of the tank

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d. A test should be placed in each corner of the tank

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7. This forms within the tank when a transducer is no longer functioning.

a. Microbiocidal zone

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b. Cleaning zone

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c. Damage zone

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d. Dead zone

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8. Every programmed cycle is tested prior use when the cleaner is installed, after major repairs, and when this is changed.

a. The type of cleaning chemistry

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b. The type of fill water

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c. The type of cleaning indicator test

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d. The technician assigned to the job changes

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9. Every ultrasonic cleaning indicator evaluates temperature, cleaning chemistry, time, and cavitation.

a. True

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b. False

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10. Which type of medical device requires validated ultrasonic cleaning cycles?

a. Arthroscopic forceps

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b. Hemostats

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c. Trocars

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d. RAS arms

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The Sound of Clean

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