TRUE OR FALSE: All sonic cleaners are used for disinfection and sterilization.

Why should items be brushed below the surface of the water?

The decontamination area should have what type of air flow?

TRUE OR FALSE: Detergents used in mechanical cleaners should be low foaming.

Sonic washers use a cleaning method called what? Impingement? Cavitation? Decontamination? Cleaning?

TRUE OR FALSE: To prevent coagulation of proteins, instruments should be pre-rinsed using warm water.

Which of the following statements about the use of mechanical washers is NOT true? Multi-leven trays should be separated? All items should be washed on the same cycle? Instruments should be disassembled and opened? Lids should be opened?

Water must be degassed each time the ultrasonic cleaner's tank is changed. Why?

Cleaning brushes __________? should be decontaminated at least daily? should have metal brushes? can be disinfected using alcohol and are good for re-use? All of the above?

TRUE OR FALSE: Powered surgical instrumentation can be immersed in water.

What is the most common pH detergent used for most cleaning processes? Low pH? high pH? neutral pH? it depends on the water temperature and exposure time?

Which is used to break down fatty tissue on instruments? Protease enzymes? Lipase enzymes? Amylase enzymes? Neutral pH cleaners?

TRUE OR FALSE: The mechanical process by which an ultrasonic cleaner works is called impingement.