IAHCSMM CRCST LATEST 2026 STUDY GUIDE
QUESTIONS AND ANSWERS RATED A+
✔✔Is joint commission a voluntary or regulatory agency - ✔✔Voluntary
✔✔This organization promotes health by preventing a controlling disease - ✔✔CDC
✔✔Is the CDC voluntary or regulatory - ✔✔Voluntary. Pg 89
✔✔Central sterile techs need to change from their street clothes to scrubs before
entering the work area.
True or False - ✔✔True
✔✔Before beginning work, CS techs should remove watches and other jewelry before
beginning work.
True or False - ✔✔True. Pg 99
✔✔Food and drink are not allowed in the central service area.
True or False - ✔✔True
✔✔Floors in the CS dept should be wet mopped daily. They should never be swept or
dust mopped.
True or False - ✔✔True
✔✔What is the name of the process that removes ions from water - ✔✔Deionization
✔✔What is the name of the water that has been treated and is acceptable for drinking -
✔✔Tap water
✔✔What solution is used to remove the white, scaly, hard to remove substance that can
appear on sinks and equipment - ✔✔Descaler
✔✔The _______ dept is the major source of soiled items received by the CS dept. -
✔✔Surgical
✔✔Tissue, body fat, blood, and other body substances are all examples of _______
soil. - ✔✔Gross. Pg 125
✔✔Disposable components should be removed at ________________. - ✔✔Point of
use
✔✔Soiled instruments should be transported in an _______ container or cart. -
✔✔Enclosed
, ✔✔Instruments with lumens should be soaked in a horizontal position.
True or False - ✔✔False
✔✔The mechanical process by which an ultrasonic cleaner works is called_________ -
✔✔Cavitation
✔✔To prevent aerosols, items should be brushed below the surface of the water.
True or False - ✔✔True
✔✔Powered surgical instruments should be cleaned using a mechanical cleaning
process.
True or False - ✔✔False
✔✔Horizontal work surfaces in the decontamination area should be cleaned and
disinfected once a day.
True or False - ✔✔False
✔✔The use of heat to kill microorganisms except spores is called__________. -
✔✔Thermal disinfection
✔✔What is the name of the chemical which kills most pathogenic organisms, but does
not kill spores? - ✔✔Disinfectant
✔✔What is the name of the solution which inhibits the growth of bacteria. It is usually
used topically and only on animate objects. - ✔✔Antiseptic
✔✔What is the name of the process that causes the destruction of nearly all pathogenic
microorganisms on an inanimate surface. - ✔✔Disinfection
✔✔What is the name of the process in which all microbial life is killed? - ✔✔Sterilization
✔✔Tungsten carbide scissor blades hold a sharp edge longer than stainless steel ones.
True or False - ✔✔True
✔✔Tissue forceps have teeth and forceps have serrations
True or False - ✔✔True
✔✔Loaner instrument trays that are received sterile from other facilities do not need to
be decontaminated and resterilized before use.
True or False - ✔✔False
QUESTIONS AND ANSWERS RATED A+
✔✔Is joint commission a voluntary or regulatory agency - ✔✔Voluntary
✔✔This organization promotes health by preventing a controlling disease - ✔✔CDC
✔✔Is the CDC voluntary or regulatory - ✔✔Voluntary. Pg 89
✔✔Central sterile techs need to change from their street clothes to scrubs before
entering the work area.
True or False - ✔✔True
✔✔Before beginning work, CS techs should remove watches and other jewelry before
beginning work.
True or False - ✔✔True. Pg 99
✔✔Food and drink are not allowed in the central service area.
True or False - ✔✔True
✔✔Floors in the CS dept should be wet mopped daily. They should never be swept or
dust mopped.
True or False - ✔✔True
✔✔What is the name of the process that removes ions from water - ✔✔Deionization
✔✔What is the name of the water that has been treated and is acceptable for drinking -
✔✔Tap water
✔✔What solution is used to remove the white, scaly, hard to remove substance that can
appear on sinks and equipment - ✔✔Descaler
✔✔The _______ dept is the major source of soiled items received by the CS dept. -
✔✔Surgical
✔✔Tissue, body fat, blood, and other body substances are all examples of _______
soil. - ✔✔Gross. Pg 125
✔✔Disposable components should be removed at ________________. - ✔✔Point of
use
✔✔Soiled instruments should be transported in an _______ container or cart. -
✔✔Enclosed
, ✔✔Instruments with lumens should be soaked in a horizontal position.
True or False - ✔✔False
✔✔The mechanical process by which an ultrasonic cleaner works is called_________ -
✔✔Cavitation
✔✔To prevent aerosols, items should be brushed below the surface of the water.
True or False - ✔✔True
✔✔Powered surgical instruments should be cleaned using a mechanical cleaning
process.
True or False - ✔✔False
✔✔Horizontal work surfaces in the decontamination area should be cleaned and
disinfected once a day.
True or False - ✔✔False
✔✔The use of heat to kill microorganisms except spores is called__________. -
✔✔Thermal disinfection
✔✔What is the name of the chemical which kills most pathogenic organisms, but does
not kill spores? - ✔✔Disinfectant
✔✔What is the name of the solution which inhibits the growth of bacteria. It is usually
used topically and only on animate objects. - ✔✔Antiseptic
✔✔What is the name of the process that causes the destruction of nearly all pathogenic
microorganisms on an inanimate surface. - ✔✔Disinfection
✔✔What is the name of the process in which all microbial life is killed? - ✔✔Sterilization
✔✔Tungsten carbide scissor blades hold a sharp edge longer than stainless steel ones.
True or False - ✔✔True
✔✔Tissue forceps have teeth and forceps have serrations
True or False - ✔✔True
✔✔Loaner instrument trays that are received sterile from other facilities do not need to
be decontaminated and resterilized before use.
True or False - ✔✔False
