IAHCSMM CRCST Exam 2025/2026 Updated | Real
Exam Questions, Study Guide & Correct
Answers
Behavior relating to what is right and wrong relative to the standards of conduct for your
profession are called
ethical behavior
_______ are often pathogenic to humans because they grow best at body temperature
mesophiles
Blue stain on a scope, what is the reason?
improper cleaning
Bluish or rainbow type stains are caused by _______ in water.
iron and silicates
Body balance is regulated by fluid in the:
inner ear
Bowie dick tests should be run in
Dynamic air removal steam sterilizers
Cellulosic materials (paper, cotton and linen) cannot be processed
in a/an:
hydrogen peroxide gas plasma sterilizer
Central service technicians must be able to identify approximately 100s of instruments
True
Creates and revises standards for processing water for irrigation.
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
CABG (coronary artery bypass graft)
Deionized water is used for:
Sterile irrigation
, develops recommended standards, practices and guidelines for care and processing of devices
AAMI
Disadvantages to a case cart distribution system
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
True
Each year, approximately____ patients develop a healthcare associated infection
2 million
Typically 1 min of drying time programmed into flash cycles removes steam from chamber but
doesn't dry device completely
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
2 hours
The term "super heated steam" means
Dry steam
Some plastics including formulations of spun bonded polyolefin are intended for use solely in
these sterilization processes:
low temperature
The part of the digestive system where the greatest absorption of nutrients into body cells takes
place
small intestines
Water that is turbid is :
cloudy
Softened water
decreases the likelihood of mineral scale deposits
A liquid oxidizing agent that is an effective biocide at low temperatures. It is a used in a
sterilizaiton system that processes immersible instruments for immediate use
Exam Questions, Study Guide & Correct
Answers
Behavior relating to what is right and wrong relative to the standards of conduct for your
profession are called
ethical behavior
_______ are often pathogenic to humans because they grow best at body temperature
mesophiles
Blue stain on a scope, what is the reason?
improper cleaning
Bluish or rainbow type stains are caused by _______ in water.
iron and silicates
Body balance is regulated by fluid in the:
inner ear
Bowie dick tests should be run in
Dynamic air removal steam sterilizers
Cellulosic materials (paper, cotton and linen) cannot be processed
in a/an:
hydrogen peroxide gas plasma sterilizer
Central service technicians must be able to identify approximately 100s of instruments
True
Creates and revises standards for processing water for irrigation.
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
CABG (coronary artery bypass graft)
Deionized water is used for:
Sterile irrigation
, develops recommended standards, practices and guidelines for care and processing of devices
AAMI
Disadvantages to a case cart distribution system
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
True
Each year, approximately____ patients develop a healthcare associated infection
2 million
Typically 1 min of drying time programmed into flash cycles removes steam from chamber but
doesn't dry device completely
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
2 hours
The term "super heated steam" means
Dry steam
Some plastics including formulations of spun bonded polyolefin are intended for use solely in
these sterilization processes:
low temperature
The part of the digestive system where the greatest absorption of nutrients into body cells takes
place
small intestines
Water that is turbid is :
cloudy
Softened water
decreases the likelihood of mineral scale deposits
A liquid oxidizing agent that is an effective biocide at low temperatures. It is a used in a
sterilizaiton system that processes immersible instruments for immediate use
