CRCST FINAL STUDY SHEET 2026
COMPLETE QUESTIONS AND ANSWERS.
◍ As defined by OSHA what is defined as "the use of physical or
chemical means to remove, inactivate or destroy blood borne pathogens
on a surface or item to the point where they are no longer capable of
transmitting infectious particles and the surface of. Ans-
decontamination
◍ A Sales Rep brings in a new Stryker Drill for Dr Bridwell to try
during a total hip procedure. What is the first step that should be taken?
Ans- Ask for written instructions.
◍ The temperature in the decontamination department:. Ans- 60°-65° F
◍ Sharps in the decontamination department should be confined and
contained in what type of leak proof container? Ans- impervious
◍ After thoroughly cleaning a contaminated item the most important
step in the decontamination process is to _____________ the item.. Ans-
rinsed
◍ Humidity level in a CS department should be kept at what percent?
Ans- 30-60%
,◍ Instruments in the OR that are just opened but not used still have to
go through the decontam process, only when? Ans- every time and
always considered contaminated
◍ What is the groups or collections of microorganisms that adhere to the
surface of any object that comes into contact with nonsterile water?
Ans- biofilms
◍ What when used in small amounts is extremely corrosive to surgical
instruments, and it's use in the decontamination process is prohibited?
Ans- bleach
◍ A pH level of 7 is considered? Ans- neutral
◍ Instruments should never be stored _________________, and all
instruments should be sterilized as soon as possible after cleaning.. Ans-
wet
◍ The air pressure in the decontamination department should be what?
Ans- negative
◍ How many air exchanges per hour is the decontamination department
suppose to have? Ans- 10
, ◍ How often is the temperature and humidity levels suppose to be
documented? Ans- daily
◍ What forms a protective slimy film on top of water and on
instruments during the decontamination process? Ans- biofilms
◍ A pH level of below 7 is considered? Ans- acidic
◍ Items that have been presoaked or treated must be ____________
thoroughly before further cleaning, because the presoaking or treatment
agent may not be compatible with the detergents used for cleaning.. Ans-
rinsed
◍ A pH level above 7 is considered? Ans- alkaline
◍ Biofilms adhere to all surfaces, but they form more slowly on smooth
surfaces than on rough surfaces. In healthcare settings, the items most
affected by biofilms are those with? Ans- lumens, serrated surfaces,
difficult-to-reach surfaces
◍ What kind of detergents contain organic substances that assist in the
breakdown of protein soils and blood? Ans- Enzymatic detergents
COMPLETE QUESTIONS AND ANSWERS.
◍ As defined by OSHA what is defined as "the use of physical or
chemical means to remove, inactivate or destroy blood borne pathogens
on a surface or item to the point where they are no longer capable of
transmitting infectious particles and the surface of. Ans-
decontamination
◍ A Sales Rep brings in a new Stryker Drill for Dr Bridwell to try
during a total hip procedure. What is the first step that should be taken?
Ans- Ask for written instructions.
◍ The temperature in the decontamination department:. Ans- 60°-65° F
◍ Sharps in the decontamination department should be confined and
contained in what type of leak proof container? Ans- impervious
◍ After thoroughly cleaning a contaminated item the most important
step in the decontamination process is to _____________ the item.. Ans-
rinsed
◍ Humidity level in a CS department should be kept at what percent?
Ans- 30-60%
,◍ Instruments in the OR that are just opened but not used still have to
go through the decontam process, only when? Ans- every time and
always considered contaminated
◍ What is the groups or collections of microorganisms that adhere to the
surface of any object that comes into contact with nonsterile water?
Ans- biofilms
◍ What when used in small amounts is extremely corrosive to surgical
instruments, and it's use in the decontamination process is prohibited?
Ans- bleach
◍ A pH level of 7 is considered? Ans- neutral
◍ Instruments should never be stored _________________, and all
instruments should be sterilized as soon as possible after cleaning.. Ans-
wet
◍ The air pressure in the decontamination department should be what?
Ans- negative
◍ How many air exchanges per hour is the decontamination department
suppose to have? Ans- 10
, ◍ How often is the temperature and humidity levels suppose to be
documented? Ans- daily
◍ What forms a protective slimy film on top of water and on
instruments during the decontamination process? Ans- biofilms
◍ A pH level of below 7 is considered? Ans- acidic
◍ Items that have been presoaked or treated must be ____________
thoroughly before further cleaning, because the presoaking or treatment
agent may not be compatible with the detergents used for cleaning.. Ans-
rinsed
◍ A pH level above 7 is considered? Ans- alkaline
◍ Biofilms adhere to all surfaces, but they form more slowly on smooth
surfaces than on rough surfaces. In healthcare settings, the items most
affected by biofilms are those with? Ans- lumens, serrated surfaces,
difficult-to-reach surfaces
◍ What kind of detergents contain organic substances that assist in the
breakdown of protein soils and blood? Ans- Enzymatic detergents
