Chapter 8: Cleaning and Decontamination

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

Cleaning is defined as what?

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

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

Using untreated water _____? increases the likelihood of mineral scale deposits? decreases the likelihood of mineral scale deposits? is recommended to be used during the detergent cycle? is used for the final rinse process?

Written cleaning instructions for surgical instruments should be provided by who? the washer manufacturer? the device manufacturer? the detergent manufacturer? the healthcare facility? all of the above?

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?

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

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

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?

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

TRUE OR FALSE: The third sink in the decontamination area should be filled with neutral detergent or enzyme?

What should the temperature in the decontamination department be at?

Rigid container filter retention plates should be ________? removed from container and lid and cleaned separately? Left attached during cleaning process? Manually cleaned are reattached to lid? None of the above?

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

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

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

All mechanical cleaning equipment provides what? Multiple cleaning cycles? pre-rinse, wash, rinse, lubrication and dry cycles? consistent process? all of the above?

Instrument lubrication is performed ________? immediately before use? after sterilization? after cleaning? before cleaning?

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?

The decontamination area should have what type of air flow?