Page 1 of 209
IAHCSMM CRCST Exam Central Service Technician
COMPLETE 600 QUESTIONS AND VERIFIED SOLUTIONS
2026-2027 LATEST UPDATE THIS YEAR
IAHCSMM CRCST Exam
QUESTION: In order to elevate the temperature in a steam sterilizer,you must:
Increase the steam pressure
Decrease the steam pressure
Archieve ambient pressure
Inject boiler amines - ANSWER-Increase the steam pressure
QUESTION: This surgical procedure is the removal of a testicle.
Transurethral Resection
Prostatectomy
Orchiopexy
Orchiectomy - ANSWER-Orchiectomy
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QUESTION: When placing ring handled instruments in an instrument tray,you should:
Lock the handles to prevent damage during sterilization
Arrange the instruments in alphabetical order
Arrange the instruments in the order of their use
Unlock the handles and open the instruments - ANSWER-Unlock the handles and open the
instruments
QUESTION: Which of the following kills microorganisms?
Soaps
Detergents
Germicidal presoaks
Enzyme presoaks - ANSWER-Germicidal presoaks
QUESTION: Germicidal presoaks are specifically designed to kill microorganisms. They contain
chemicals or agents that have antimicrobial properties, which can effectively eliminate bacteria,
viruses, and other harmful microorganisms. Soaps and detergents, on the other hand, may help
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in removing dirt and grime but do not necessarily kill microorganisms. Enzyme presoaks are
used to break down organic stains but do not have germicidal properties. Therefore, germicidal
presoaks are the most appropriate choice for killing microorganisms. - ANSWER-Germicidal
presoaks
QUESTION: The sterile storage area in a Central Service department should be restricted to:
Central Service managers and supervisors
Operating Room personnel
Central Service employees only
Properly attired personnel meeting facility requirements - ANSWER-Properly attired personnel
meeting facility requirements
QUESTION: A system that includes inflatable compression sleeves and a characteristic pressure
modulation in order to reduce risk of deep vein thrombosis (DVT)
Gastric suction unit
Sequential compression device
IV pump
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Defribilator - ANSWER-Sequential compression device
Q; What instruments are cleaned by the sonic Irrigator?
Lumen devices
Power instruments
Case carts
Forceps - ANSWER-Lumen devices
QUESTION: The process by which unwrapped instruments are steam sterilized for immediate
use when an emergency situation arises is called:
Emergency sterilization
Flash sterilization
Core sterilization
Rapid reprocessing - ANSWER-Flash sterilization
IAHCSMM CRCST Exam Central Service Technician
COMPLETE 600 QUESTIONS AND VERIFIED SOLUTIONS
2026-2027 LATEST UPDATE THIS YEAR
IAHCSMM CRCST Exam
QUESTION: In order to elevate the temperature in a steam sterilizer,you must:
Increase the steam pressure
Decrease the steam pressure
Archieve ambient pressure
Inject boiler amines - ANSWER-Increase the steam pressure
QUESTION: This surgical procedure is the removal of a testicle.
Transurethral Resection
Prostatectomy
Orchiopexy
Orchiectomy - ANSWER-Orchiectomy
,Page 2 of 209
QUESTION: When placing ring handled instruments in an instrument tray,you should:
Lock the handles to prevent damage during sterilization
Arrange the instruments in alphabetical order
Arrange the instruments in the order of their use
Unlock the handles and open the instruments - ANSWER-Unlock the handles and open the
instruments
QUESTION: Which of the following kills microorganisms?
Soaps
Detergents
Germicidal presoaks
Enzyme presoaks - ANSWER-Germicidal presoaks
QUESTION: Germicidal presoaks are specifically designed to kill microorganisms. They contain
chemicals or agents that have antimicrobial properties, which can effectively eliminate bacteria,
viruses, and other harmful microorganisms. Soaps and detergents, on the other hand, may help
,Page 3 of 209
in removing dirt and grime but do not necessarily kill microorganisms. Enzyme presoaks are
used to break down organic stains but do not have germicidal properties. Therefore, germicidal
presoaks are the most appropriate choice for killing microorganisms. - ANSWER-Germicidal
presoaks
QUESTION: The sterile storage area in a Central Service department should be restricted to:
Central Service managers and supervisors
Operating Room personnel
Central Service employees only
Properly attired personnel meeting facility requirements - ANSWER-Properly attired personnel
meeting facility requirements
QUESTION: A system that includes inflatable compression sleeves and a characteristic pressure
modulation in order to reduce risk of deep vein thrombosis (DVT)
Gastric suction unit
Sequential compression device
IV pump
, Page 4 of 209
Defribilator - ANSWER-Sequential compression device
Q; What instruments are cleaned by the sonic Irrigator?
Lumen devices
Power instruments
Case carts
Forceps - ANSWER-Lumen devices
QUESTION: The process by which unwrapped instruments are steam sterilized for immediate
use when an emergency situation arises is called:
Emergency sterilization
Flash sterilization
Core sterilization
Rapid reprocessing - ANSWER-Flash sterilization
