IAHCSMM CRCST EXAM SCRIPT 2026 FULL
QUESTIONS AND CORRECT ANSWERS STUDY
GUIDE
◉ The two most common techniques of flat wrap packaging are
Answer: Square fold and envelope fold
◉ The biggest advantage to battery-powered surgical instruments is
that they can be immersed for cleaning. Answer: False
◉ Monitor all critical parameters of sterilization cycle: time,
temperature, presence of steam (moisture), and correlation to
outcome of biological indicator Answer: Class 5 Integrators
◉ An iodopher is a Answer: Buffered iodine
◉ Which of the following is a system used to treat the final rinse
water used for cleaning? Answer: Deionization
- Helps to ensure that the final rinse water used for cleaning is free
from any contaminants
,◉ When assembling an instrument set for steam sterilization
Answer: Instruments should be open and disassembled to facilitate
steam contact to all surfaces
◉ The process by which unwrapped instruments are steam
sterilized for immediate use when an emergency situation arises is
called: Answer: Flash sterilization
◉ The higher the bioburden on an object: Answer: The more difficult
it will be to sterilize
◉ Failure to receive accreditation from the Joint Commission can
result in the loss of Medicare and Medicaid payments Answer: True
◉ 1005 ethylene oxide gas canisters should be stored Answer: In a
chemical storage cabinet
- Ethylene Oxide Gas is a highly flammable and reactive gas so the
chemical storage cabinet contains the leaks and prevents it from
coming into contact with ignition sources
◉ Floors in the Central Service department should be Answer: Wet-
mopped daily
◉ The ________ department is the major source of soiled items
received by the Central Service department. Answer: Surgery
, ◉ If grossly soiled instruments cannot be cleaned immediately, they
should be kept __________. Answer: Moist
◉ Before transport, reusable sharps should be separated from other
instruments. Answer: True
- This ensures safety and prevents potential injuries and
contamination
◉ Tap water should ideally have a chloride concentration of _______
ppm or less. Answer: 100
- This compound is found in water and needs to be below 100 ppm
to ensure safe and good quality drinking water
◉ Probability of a viable microorganism being present on a product
unit after sterilization Answer: Sterility Assurance Level (SAL)
- Measures the effectiveness of the sterilization process
◉ Enzymes that break down blood, mucous, feces, & albumin
Answer: Protease Enzymes
◉ The use of heat to kill all microorganisms, except spores, is called:
Answer: Thermal Disinfection
QUESTIONS AND CORRECT ANSWERS STUDY
GUIDE
◉ The two most common techniques of flat wrap packaging are
Answer: Square fold and envelope fold
◉ The biggest advantage to battery-powered surgical instruments is
that they can be immersed for cleaning. Answer: False
◉ Monitor all critical parameters of sterilization cycle: time,
temperature, presence of steam (moisture), and correlation to
outcome of biological indicator Answer: Class 5 Integrators
◉ An iodopher is a Answer: Buffered iodine
◉ Which of the following is a system used to treat the final rinse
water used for cleaning? Answer: Deionization
- Helps to ensure that the final rinse water used for cleaning is free
from any contaminants
,◉ When assembling an instrument set for steam sterilization
Answer: Instruments should be open and disassembled to facilitate
steam contact to all surfaces
◉ The process by which unwrapped instruments are steam
sterilized for immediate use when an emergency situation arises is
called: Answer: Flash sterilization
◉ The higher the bioburden on an object: Answer: The more difficult
it will be to sterilize
◉ Failure to receive accreditation from the Joint Commission can
result in the loss of Medicare and Medicaid payments Answer: True
◉ 1005 ethylene oxide gas canisters should be stored Answer: In a
chemical storage cabinet
- Ethylene Oxide Gas is a highly flammable and reactive gas so the
chemical storage cabinet contains the leaks and prevents it from
coming into contact with ignition sources
◉ Floors in the Central Service department should be Answer: Wet-
mopped daily
◉ The ________ department is the major source of soiled items
received by the Central Service department. Answer: Surgery
, ◉ If grossly soiled instruments cannot be cleaned immediately, they
should be kept __________. Answer: Moist
◉ Before transport, reusable sharps should be separated from other
instruments. Answer: True
- This ensures safety and prevents potential injuries and
contamination
◉ Tap water should ideally have a chloride concentration of _______
ppm or less. Answer: 100
- This compound is found in water and needs to be below 100 ppm
to ensure safe and good quality drinking water
◉ Probability of a viable microorganism being present on a product
unit after sterilization Answer: Sterility Assurance Level (SAL)
- Measures the effectiveness of the sterilization process
◉ Enzymes that break down blood, mucous, feces, & albumin
Answer: Protease Enzymes
◉ The use of heat to kill all microorganisms, except spores, is called:
Answer: Thermal Disinfection
