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15 terms

Tool for Cleaning

Chapter 7 Review Quiz
STUDY
PLAY
What system is used to treat the final rinse water used for cleaning?
deionization
Bluish or rainbow-type stains are caused by ____ in the water.
iron and silicates
The ideal level of silicates in water used for cleaning is ___ ppm or less.
100
Purified water should have a ph of ____.
6.5 - 7.5
Tap water should ideally have a chloride concentration of ____ ppm or less.
100
Water purification usually involves the use of a :
pre- and post-filter
Water that is turbid is:
cloudy
Water softeners are used to remove ___ in the water.
calcium and magnesium
Deionized water is used for:
heating/cooling therapy units
What can be removed from water when a reverse osmosis process is used?
bacteria, pyrogens, and endotoxins
Multi-enzymatic cleaning products containing lipase are useful for cleaning:
fats
Which of the following kills microorganisms?
A. soaps
B. detergents
C. germicidal detergents
D. enzyme pre-soaks
C. germicidal detergents
The process of pre-cleaning should begin:
immediately after the completiong of an invasive procedure
The main purpose of manual cleaners is to :
remove soil
What technique for brushing instruments should be used?
brushing should be done under water