1|Page
IAHCSMM CRCST EXAM QUESTIONS WITH
VERIFIED ANSWERS 2025
Automatic washers clean using a spray-force action called impingement. - correct-
answer-True
Behavior relating to what is right and wrong relative to the standards of conduct
for your profession are called - correct-answer-ethical behavior
_______ are often pathogenic to humans because they grow best at body
temperature - correct-answer-mesophiles
Blue stain on a scope, what is the reason? - correct-answer-improper cleaning
Bluish or rainbow type stains are caused by _______ in water. - correct-answer-
iron and silicates
Body balance is regulated by fluid in the: - correct-answer-inner ear
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Bowie dick tests should be run in - correct-answer-Dynamic air removal steam
sterilizers
Cellulosic materials (paper, cotton and linen) cannot be processed
in a/an: - correct-answer-hydrogen peroxide gas plasma sterilizer
Central service technicians must be able to identify approximately 100s of
instruments - correct-answer-True
Creates and revises standards for processing water for irrigation. - correct-answer-
USP-NF (the United States Pharmacopoeia-national formulary)
Creation of a new blood supply to an area of the heart with a clotted/blocked
artery - correct-answer-CABG (coronary artery bypass graft)
Deionized water is used for: - correct-answer-Sterile irrigation
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develops recommended standards, practices and guidelines for care and
processing of devices - correct-answer-AAMI
Disadvantages to a case cart distribution system - correct-answer-A lag time
between usage and replenishment
During instruments manufacture the process of passivation helps build a
protective chromium oxide layer on each instruments surface - correct-answer-
True
Each year, approximately____ patients develop a healthcare associated infection -
correct-answer-2 million
Typically 1 min of drying time programmed into flash cycles removes steam from
chamber but doesn't dry device completely - correct-answer-Drying phase of
steam sterilization
What would be the recommended exposure time for a dry heat sterilization load
that was run at an exposure temperature of 320 degrees •F - correct-answer-2
hours
IAHCSMM CRCST EXAM QUESTIONS WITH
VERIFIED ANSWERS 2025
Automatic washers clean using a spray-force action called impingement. - correct-
answer-True
Behavior relating to what is right and wrong relative to the standards of conduct
for your profession are called - correct-answer-ethical behavior
_______ are often pathogenic to humans because they grow best at body
temperature - correct-answer-mesophiles
Blue stain on a scope, what is the reason? - correct-answer-improper cleaning
Bluish or rainbow type stains are caused by _______ in water. - correct-answer-
iron and silicates
Body balance is regulated by fluid in the: - correct-answer-inner ear
,2|Page
Bowie dick tests should be run in - correct-answer-Dynamic air removal steam
sterilizers
Cellulosic materials (paper, cotton and linen) cannot be processed
in a/an: - correct-answer-hydrogen peroxide gas plasma sterilizer
Central service technicians must be able to identify approximately 100s of
instruments - correct-answer-True
Creates and revises standards for processing water for irrigation. - correct-answer-
USP-NF (the United States Pharmacopoeia-national formulary)
Creation of a new blood supply to an area of the heart with a clotted/blocked
artery - correct-answer-CABG (coronary artery bypass graft)
Deionized water is used for: - correct-answer-Sterile irrigation
, 3|Page
develops recommended standards, practices and guidelines for care and
processing of devices - correct-answer-AAMI
Disadvantages to a case cart distribution system - correct-answer-A lag time
between usage and replenishment
During instruments manufacture the process of passivation helps build a
protective chromium oxide layer on each instruments surface - correct-answer-
True
Each year, approximately____ patients develop a healthcare associated infection -
correct-answer-2 million
Typically 1 min of drying time programmed into flash cycles removes steam from
chamber but doesn't dry device completely - correct-answer-Drying phase of
steam sterilization
What would be the recommended exposure time for a dry heat sterilization load
that was run at an exposure temperature of 320 degrees •F - correct-answer-2
hours
