IAHCSMM CRCST Exam Questions with
Complete Solutions (Latest 2025)
The physical method by which an ultrasonic units clean is
called - Correct Answers ✅Cavitation
Equipment should be inspected for obvious hazards such as
cracked or frayed electrical cords: - Correct Answers
✅whenever the equipment is cleaned
Impregnated Gauze Strips may be sterilized using: - Correct
Answers ✅dry heat sterilization
Powered surgical instruments should be cleaned using a
mechanical cleaning process. - Correct Answers ✅False.
They should all be cleaned manually.
Agency responsible for the MedWatch program - Correct
Answers ✅FDA food and drug administration
Phenolics are classified as - Correct Answers
✅intermediate to low level disinfectants
To prevent coagulation of proteins, water temperature should
be - Correct Answers ✅Below 43 C (110 F)
Secondary containers of chemicals - Correct Answers
✅must be labeled with a copy of the original manufacturer's
label or a generic label that identifies hazard warnings and
directions
These carry blood away from the heart - Correct Answers
✅arteries
The percentage of hospital patients that develop a healthcare
facility-associated infection. - Correct Answers
✅Approximately 10%
Spiral shaped bacteria are classified as - Correct Answers
✅spirillum
,IAHCSMM CRCST Exam Questions with
Complete Solutions (Latest 2025)
The two most common techniques of flat wrap packaging are
- Correct Answers ✅Square-fold and envelope-fold
Third party reprocessors are regulated by the FDA - Correct
Answers ✅True
In central service, the concept of "one-way flow of materials"
refers to the movement of products - Correct Answers
✅From soiled areas to clean processing areas within central
service
Horizontal work surfaces in the decontamination area should
be cleaned and disinfected - Correct Answers ✅At the
beginning and end of each shift.
A material that removes electrons from another substance is
Called - Correct Answers ✅an oxidizing agent
Pre-Vacuum Steam Sterilizer & Steam Flush Pressure-Pulse
(SFPP) - Correct Answers ✅Use an active air removal
system
These chemicals are used on animate (living tissue) to slow
the growth of microorganisms: - Correct Answers
✅antiseptics
Agency responsible for regulating EO - Correct Answers
✅OSHA and EPA
Scissors with tungsten carbide cutting edges are usually
identified by - Correct Answers ✅gold handles
7.2 pounds per cubic foot - Correct Answers ✅Maximum
density for linen packs
Package condensation will occur when - Correct Answers
✅Placing hot or warm packages in cold surfaces
, IAHCSMM CRCST Exam Questions with
Complete Solutions (Latest 2025)
The decontamination area of the central service department
should have - Correct Answers ✅10 air exchanges per hour
ISO 9000 - Correct Answers ✅an international standard
used by participating organizations to help assure that they
consistently deliver quality services and products
Air exchanges in EtO sterilizer room - Correct Answers ✅10
per hour
Water purification usually involves the use of a - Correct
Answers ✅pre and post filter
Which of the following is not an acceptable form of
instrument marking? - Correct Answers ✅Electric etching
(engraving)
Aluminum items should be cleaned: - Correct Answers
✅using a to and fro motion with the grain
Wicking materials are used to : - Correct Answers ✅allow
air removal, steam penetration and facilitate drying
Exchange cart system - Correct Answers ✅The inventory
system that uses two identical carts to facilitate Supply
replenishment is called the.
The largest operating channel of an endoscope is the ___
channel? - Correct Answers ✅Instrument
Solution used to remove the white, hard-to-remove substance
that sometimes appears on sinks and equipment - Correct
Answers ✅descaler
Pexy is - Correct Answers ✅Surgical fixation
Bacillus is - Correct Answers ✅rod shaped bacteria
Complete Solutions (Latest 2025)
The physical method by which an ultrasonic units clean is
called - Correct Answers ✅Cavitation
Equipment should be inspected for obvious hazards such as
cracked or frayed electrical cords: - Correct Answers
✅whenever the equipment is cleaned
Impregnated Gauze Strips may be sterilized using: - Correct
Answers ✅dry heat sterilization
Powered surgical instruments should be cleaned using a
mechanical cleaning process. - Correct Answers ✅False.
They should all be cleaned manually.
Agency responsible for the MedWatch program - Correct
Answers ✅FDA food and drug administration
Phenolics are classified as - Correct Answers
✅intermediate to low level disinfectants
To prevent coagulation of proteins, water temperature should
be - Correct Answers ✅Below 43 C (110 F)
Secondary containers of chemicals - Correct Answers
✅must be labeled with a copy of the original manufacturer's
label or a generic label that identifies hazard warnings and
directions
These carry blood away from the heart - Correct Answers
✅arteries
The percentage of hospital patients that develop a healthcare
facility-associated infection. - Correct Answers
✅Approximately 10%
Spiral shaped bacteria are classified as - Correct Answers
✅spirillum
,IAHCSMM CRCST Exam Questions with
Complete Solutions (Latest 2025)
The two most common techniques of flat wrap packaging are
- Correct Answers ✅Square-fold and envelope-fold
Third party reprocessors are regulated by the FDA - Correct
Answers ✅True
In central service, the concept of "one-way flow of materials"
refers to the movement of products - Correct Answers
✅From soiled areas to clean processing areas within central
service
Horizontal work surfaces in the decontamination area should
be cleaned and disinfected - Correct Answers ✅At the
beginning and end of each shift.
A material that removes electrons from another substance is
Called - Correct Answers ✅an oxidizing agent
Pre-Vacuum Steam Sterilizer & Steam Flush Pressure-Pulse
(SFPP) - Correct Answers ✅Use an active air removal
system
These chemicals are used on animate (living tissue) to slow
the growth of microorganisms: - Correct Answers
✅antiseptics
Agency responsible for regulating EO - Correct Answers
✅OSHA and EPA
Scissors with tungsten carbide cutting edges are usually
identified by - Correct Answers ✅gold handles
7.2 pounds per cubic foot - Correct Answers ✅Maximum
density for linen packs
Package condensation will occur when - Correct Answers
✅Placing hot or warm packages in cold surfaces
, IAHCSMM CRCST Exam Questions with
Complete Solutions (Latest 2025)
The decontamination area of the central service department
should have - Correct Answers ✅10 air exchanges per hour
ISO 9000 - Correct Answers ✅an international standard
used by participating organizations to help assure that they
consistently deliver quality services and products
Air exchanges in EtO sterilizer room - Correct Answers ✅10
per hour
Water purification usually involves the use of a - Correct
Answers ✅pre and post filter
Which of the following is not an acceptable form of
instrument marking? - Correct Answers ✅Electric etching
(engraving)
Aluminum items should be cleaned: - Correct Answers
✅using a to and fro motion with the grain
Wicking materials are used to : - Correct Answers ✅allow
air removal, steam penetration and facilitate drying
Exchange cart system - Correct Answers ✅The inventory
system that uses two identical carts to facilitate Supply
replenishment is called the.
The largest operating channel of an endoscope is the ___
channel? - Correct Answers ✅Instrument
Solution used to remove the white, hard-to-remove substance
that sometimes appears on sinks and equipment - Correct
Answers ✅descaler
Pexy is - Correct Answers ✅Surgical fixation
Bacillus is - Correct Answers ✅rod shaped bacteria
