The Disadvantage Of Using Disposable Items

The Disadvantage Of Using Disposable Items
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The Disadvantage Of Using Disposable Items
85. Why is it important to dry instrument packages inside the sterilizer after the end of a sterilization
cycle?
a. prevents wicking of microbes through wet packaging
b . prevents instruments from sticking to each other
c. prevents water spots from forming on instruments
d . allows chemical indicators to work properly
86. What is the maximum acceptable level of bacteria in dental unit water as recommended by the CDC?
a. 700 CFU/ mL
b . 900 CFU/ mL
c. 500 CFU/ mL
d . 400 CFU/ mL
87. How would one define the term potable water?
a. sterile water
b . dental unit water
c. drinking water
d . chlorinated water
88. Instruments should be packaged for sterilization to:
a. maintain sterility
b . label and identify
c. improve organization
d . organize preset trays
89. What should one do before changing a vacuum line trap?
a. No preparation is necessary.
b . R emove and then heat sterilize the vacuum line.
c. Flush bleach through the line and follow with a water flush.
d . Evacuate a disinfectant–detergent into the line and flush with water.
90. Patient-to-patient cross-contamination may occur when a patient closes his or her lips around which
of the following?
a. air/ water syringe tip
b . saliva ejector tip
c. high-volume evacuator tip
d . metal prophylaxis angle
91. Which statement best describes the disadvantage of using disposable items?
a. It does not always prevent patient-to-patient transfer of microorganisms.
b . There is no need to process hard-to-sterilize items.
c. Performance may be less efficient than their reusable counterparts.
d . It may be more expensive than reusable types.
92. Which chemical used for disinfection is classified as a high-level disinfectant?
a. sodium hypochlorite
b . phenol
c. iodophor
d . chlorine dioxide
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