CRIS 605 MASTER STUDY SHEET 2026
VERIFIED QUESTIONS WITH ANSWERS
◉Water temperatures of _________________ are best for enzyme based
products. Answer: 140°F
◉Enzymes can be used individually or in combination in the
formulation of enzymatic detergents. Which enzymatic detergent
breaks down blood, mucus, feces, and albumin?. Answer: protease
◉Enzymes can be used individually or in combination in the
formulation of enzymatic detergents. Which enzymatic detergent
breaks lipase which breaks down fat (eg., bone marrow and adipose
tissue)?. Answer: lipase
◉Enzymes can be used individually or in combination in the
formulation of enzymatic detergents. Which enzymatic detergent
catalyzes starches and breaks down carbohydrates?. Answer:
amylase
,◉What kind of detergents can be used to remove severe stains on
stainless steel instruments?. Answer: organic acid
◉What kind of cleaning agents are available for removing stubborn
soils and stains; however, these are specially formulated agents that
can be difficult to remove and must be thoroughly rinsed away?.
Answer: non-abrasive
◉What are organic compounds, i.e. they are made from products
found in nature? By themselves they are poor cleaners and can be
difficult to rinse off.. Answer: soaps
◉There must be some type of action that enhances the cleaning
process, such as ____________ on the surfaces. This is created by
scrubbing in manual cleaning, by the continuous spraying of
cleaning solutions against the device surfaces in a mechanical
washe. Answer: friction
◉What type of items must be opened during the cleaning process?.
Answer: hinged
◉What type of equipment cannot be immersed?. Answer: powered
◉Manual cleaning may be the only effective method for certain
instrumentation such as devices with?. Answer: lumens
, ◉Detergents that are meant to bind with soils and keep them
suspended in the solution so they can be removed during the rinsing
process are use for what type of cleaning?. Answer: manual
◉Using more detergent than called for does not improve the
cleaning action; in fact, it can impede the process by leaving
residuals behind that do not rinse off and that will build up over
time, causing instruments to?. Answer: bind and/or corrode
◉Detergent solutions must be changed frequently to reduce the
bioburden (contamination) and to prevention of what to cleaned
items and the environment?. Answer: recontamination
◉Just as cleaning is the most important step in the decontamination
process, what is the most important step in the cleaning process
because it removes loosened soils and debris?. Answer: rinsing
◉For either manual or mechanical cleaning, the final rinse should be
performed with what type of water to prevent mineral deposits?.
Answer: treated
◉What kind of bristle brushes are not generally recommended
because they can damage the protective layer of the surgical
instruments? But these brushes can, however be used on tungsten
VERIFIED QUESTIONS WITH ANSWERS
◉Water temperatures of _________________ are best for enzyme based
products. Answer: 140°F
◉Enzymes can be used individually or in combination in the
formulation of enzymatic detergents. Which enzymatic detergent
breaks down blood, mucus, feces, and albumin?. Answer: protease
◉Enzymes can be used individually or in combination in the
formulation of enzymatic detergents. Which enzymatic detergent
breaks lipase which breaks down fat (eg., bone marrow and adipose
tissue)?. Answer: lipase
◉Enzymes can be used individually or in combination in the
formulation of enzymatic detergents. Which enzymatic detergent
catalyzes starches and breaks down carbohydrates?. Answer:
amylase
,◉What kind of detergents can be used to remove severe stains on
stainless steel instruments?. Answer: organic acid
◉What kind of cleaning agents are available for removing stubborn
soils and stains; however, these are specially formulated agents that
can be difficult to remove and must be thoroughly rinsed away?.
Answer: non-abrasive
◉What are organic compounds, i.e. they are made from products
found in nature? By themselves they are poor cleaners and can be
difficult to rinse off.. Answer: soaps
◉There must be some type of action that enhances the cleaning
process, such as ____________ on the surfaces. This is created by
scrubbing in manual cleaning, by the continuous spraying of
cleaning solutions against the device surfaces in a mechanical
washe. Answer: friction
◉What type of items must be opened during the cleaning process?.
Answer: hinged
◉What type of equipment cannot be immersed?. Answer: powered
◉Manual cleaning may be the only effective method for certain
instrumentation such as devices with?. Answer: lumens
, ◉Detergents that are meant to bind with soils and keep them
suspended in the solution so they can be removed during the rinsing
process are use for what type of cleaning?. Answer: manual
◉Using more detergent than called for does not improve the
cleaning action; in fact, it can impede the process by leaving
residuals behind that do not rinse off and that will build up over
time, causing instruments to?. Answer: bind and/or corrode
◉Detergent solutions must be changed frequently to reduce the
bioburden (contamination) and to prevention of what to cleaned
items and the environment?. Answer: recontamination
◉Just as cleaning is the most important step in the decontamination
process, what is the most important step in the cleaning process
because it removes loosened soils and debris?. Answer: rinsing
◉For either manual or mechanical cleaning, the final rinse should be
performed with what type of water to prevent mineral deposits?.
Answer: treated
◉What kind of bristle brushes are not generally recommended
because they can damage the protective layer of the surgical
instruments? But these brushes can, however be used on tungsten
