IAHCSMM (CRCST) TEST 500 QUESTIONS AND ANSWERS
NEWEST RATED A+ 2025/2026
is the first step in the sterilization process. - CORRECT ANSWERS Cleaning
2. Central Service Technicians must wear special attire referred to as to minimize their exposure
to blood- borne pathogens and other contaminants. - CORRECT ANSWERS PPE
What type of a pressure is required for decontamination areas? - CORRECT ANSWERS Negative
The use of analytical skills to solve problems and make decisions is a component of which of
the following knowledge and skills dimensions? - CORRECT ANSWERS Employability skills
5. Nosocomial infections are: - CORRECT ANSWERS Those which occur in the course of being
treated in the hospital
6. The human resources tool that identifies major tasks performed by persons in specific
positions is called a: - CORRECT ANSWERS Job description
7. Which of the following is the most popular title for the central service department head? -
CORRECT ANSWERS Director
What is the coolest part of the sterilizer? - CORRECT ANSWERS Drain line of the sterilizer
9. Autoclave sterilizer is a class of device. - CORRECT ANSWERS Class II
,10. In a sterilization load containing 2 small basins, the chemicals indicators will be positioned. -
CORRECT ANSWERS On the top of the basins
Package condensation will occur when: - CORRECT ANSWERS Placing hot or warm packages in
cold surfaces
What is the preferred pH of detergents used for most cleaning processes? - CORRECT ANSWERS
Neutral pH
13. System that includes inflatable compression sleeves and a characteristic pressure
modulation in order to reduce risk of deep vein thrombosis (DVT) - CORRECT ANSWERS
Sequential compression device
14. The moisture content of saturated steam should posses a relative humidity of: - CORRECT
ANSWERS 97% to 100%
Which the following steps happens first when proceeding flexible endoscopies? - CORRECT
ANSWERS Leak testing
Information regarding cleaning processes for endoscopes should be provided by: - CORRECT
ANSWERS The instrument manufacturer
Which of the following statements about endoscopes is true? - CORRECT ANSWERS Not all
endoscopes can be processed in the AER
the FDA classifies sterilization packaging as a: - CORRECT ANSWERS Class Il medical device
Which of the following is NOT an acceptable sterilization packaging material? - CORRECT
ANSWERS Canvas
, Wicking materials are used to: - CORRECT ANSWERS Allow air removal, steam penetration and
facilitate drying
When arranging plastic-paper pouches in the sterilizer, the pouches should be arranged: -
CORRECT ANSWERS Paper to plastic
The relative humidity of the central service department should be: - CORRECT ANSWERS Less
than 75%
When placing ring handled instruments in an instrument tray, you should: - CORRECT ANSWERS
Unlock the handles and open the instruments
A material that removes electrons from another substance is called: - CORRECT ANSWERS An
oxidizing agent
Before an item can be placed in a liquid chemical sterile processing system they must be: -
CORRECT ANSWERS Cleaned
Both AORN and the joint commission recommend that: - CORRECT ANSWERS The use of flash
sterilization be minimized or decreased
Implantable devices: - CORRECT ANSWERS Should not be flash sterilized
Heat sensitive items: - CORRECT ANSWERS Cannot be flash sterilized
Sterilizer recording charts and/or printouts should be checked: - CORRECT ANSWERS During
and at the end of each cycle
NEWEST RATED A+ 2025/2026
is the first step in the sterilization process. - CORRECT ANSWERS Cleaning
2. Central Service Technicians must wear special attire referred to as to minimize their exposure
to blood- borne pathogens and other contaminants. - CORRECT ANSWERS PPE
What type of a pressure is required for decontamination areas? - CORRECT ANSWERS Negative
The use of analytical skills to solve problems and make decisions is a component of which of
the following knowledge and skills dimensions? - CORRECT ANSWERS Employability skills
5. Nosocomial infections are: - CORRECT ANSWERS Those which occur in the course of being
treated in the hospital
6. The human resources tool that identifies major tasks performed by persons in specific
positions is called a: - CORRECT ANSWERS Job description
7. Which of the following is the most popular title for the central service department head? -
CORRECT ANSWERS Director
What is the coolest part of the sterilizer? - CORRECT ANSWERS Drain line of the sterilizer
9. Autoclave sterilizer is a class of device. - CORRECT ANSWERS Class II
,10. In a sterilization load containing 2 small basins, the chemicals indicators will be positioned. -
CORRECT ANSWERS On the top of the basins
Package condensation will occur when: - CORRECT ANSWERS Placing hot or warm packages in
cold surfaces
What is the preferred pH of detergents used for most cleaning processes? - CORRECT ANSWERS
Neutral pH
13. System that includes inflatable compression sleeves and a characteristic pressure
modulation in order to reduce risk of deep vein thrombosis (DVT) - CORRECT ANSWERS
Sequential compression device
14. The moisture content of saturated steam should posses a relative humidity of: - CORRECT
ANSWERS 97% to 100%
Which the following steps happens first when proceeding flexible endoscopies? - CORRECT
ANSWERS Leak testing
Information regarding cleaning processes for endoscopes should be provided by: - CORRECT
ANSWERS The instrument manufacturer
Which of the following statements about endoscopes is true? - CORRECT ANSWERS Not all
endoscopes can be processed in the AER
the FDA classifies sterilization packaging as a: - CORRECT ANSWERS Class Il medical device
Which of the following is NOT an acceptable sterilization packaging material? - CORRECT
ANSWERS Canvas
, Wicking materials are used to: - CORRECT ANSWERS Allow air removal, steam penetration and
facilitate drying
When arranging plastic-paper pouches in the sterilizer, the pouches should be arranged: -
CORRECT ANSWERS Paper to plastic
The relative humidity of the central service department should be: - CORRECT ANSWERS Less
than 75%
When placing ring handled instruments in an instrument tray, you should: - CORRECT ANSWERS
Unlock the handles and open the instruments
A material that removes electrons from another substance is called: - CORRECT ANSWERS An
oxidizing agent
Before an item can be placed in a liquid chemical sterile processing system they must be: -
CORRECT ANSWERS Cleaned
Both AORN and the joint commission recommend that: - CORRECT ANSWERS The use of flash
sterilization be minimized or decreased
Implantable devices: - CORRECT ANSWERS Should not be flash sterilized
Heat sensitive items: - CORRECT ANSWERS Cannot be flash sterilized
Sterilizer recording charts and/or printouts should be checked: - CORRECT ANSWERS During
and at the end of each cycle
