IAHCSMM CRCST Exam Questions &
Answers | Latest Already Graded A+
|Questions with Correct Answers
2026/2027 latest update!!
The physical method by which an ultrasonic units clean is called - ANSWER-
Cavitation
Equipment should be inspected for obvious hazards such as cracked or frayed
electrical cords: - ANSWER-whenever the equipment is cleaned
Impregnated Gauze Strips may be sterilized using: - ANSWER-dry heat sterilization
Powered surgical instruments should be cleaned using a mechanical cleaning
process. - ANSWER-False. They should all be cleaned manually.
Agency responsible for the MedWatch program - ANSWER-FDA food and drug
administration
Phenolics are classified as - ANSWER-intermediate to low level disinfectants
To prevent coagulation of proteins, water temperature should be - ANSWER-
Below 43 C (110 F)
,Secondary containers of chemicals - ANSWER-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 - ANSWER-arteries
The percentage of hospital patients that develop a healthcare facility-associated
infection. - ANSWER-Approximately 10%
Spiral shaped bacteria are classified as - ANSWER-spirillum
The two most common techniques of flat wrap packaging are - ANSWER-Square-
fold and envelope-fold
Third party reprocessors are regulated by the FDA - ANSWER-True
In central service, the concept of "one-way flow of materials" refers to the
movement of products - ANSWER-From soiled areas to clean processing areas
within central service
Horizontal work surfaces in the decontamination area should be cleaned and
disinfected - ANSWER-At the beginning and end of each shift.
A material that removes electrons from another substance is Called - ANSWER-an
oxidizing agent
, Pre-Vacuum Steam Sterilizer & Steam Flush Pressure-Pulse (SFPP) - ANSWER-Use
an active air removal system
These chemicals are used on animate (living tissue) to slow the growth of
microorganisms: - ANSWER-antiseptics
Agency responsible for regulating EO - ANSWER-OSHA and EPA
Scissors with tungsten carbide cutting edges are usually identified by - ANSWER-
gold handles
7.2 pounds per cubic foot - ANSWER-Maximum density for linen packs
Package condensation will occur when - ANSWER-Placing hot or warm packages in
cold surfaces
The decontamination area of the central service department should have -
ANSWER-10 air exchanges per hour
ISO 9000 - ANSWER-an international standard used by participating organizations
to help assure that they consistently deliver quality services and products
Air exchanges in EtO sterilizer room - ANSWER-10 per hour
Answers | Latest Already Graded A+
|Questions with Correct Answers
2026/2027 latest update!!
The physical method by which an ultrasonic units clean is called - ANSWER-
Cavitation
Equipment should be inspected for obvious hazards such as cracked or frayed
electrical cords: - ANSWER-whenever the equipment is cleaned
Impregnated Gauze Strips may be sterilized using: - ANSWER-dry heat sterilization
Powered surgical instruments should be cleaned using a mechanical cleaning
process. - ANSWER-False. They should all be cleaned manually.
Agency responsible for the MedWatch program - ANSWER-FDA food and drug
administration
Phenolics are classified as - ANSWER-intermediate to low level disinfectants
To prevent coagulation of proteins, water temperature should be - ANSWER-
Below 43 C (110 F)
,Secondary containers of chemicals - ANSWER-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 - ANSWER-arteries
The percentage of hospital patients that develop a healthcare facility-associated
infection. - ANSWER-Approximately 10%
Spiral shaped bacteria are classified as - ANSWER-spirillum
The two most common techniques of flat wrap packaging are - ANSWER-Square-
fold and envelope-fold
Third party reprocessors are regulated by the FDA - ANSWER-True
In central service, the concept of "one-way flow of materials" refers to the
movement of products - ANSWER-From soiled areas to clean processing areas
within central service
Horizontal work surfaces in the decontamination area should be cleaned and
disinfected - ANSWER-At the beginning and end of each shift.
A material that removes electrons from another substance is Called - ANSWER-an
oxidizing agent
, Pre-Vacuum Steam Sterilizer & Steam Flush Pressure-Pulse (SFPP) - ANSWER-Use
an active air removal system
These chemicals are used on animate (living tissue) to slow the growth of
microorganisms: - ANSWER-antiseptics
Agency responsible for regulating EO - ANSWER-OSHA and EPA
Scissors with tungsten carbide cutting edges are usually identified by - ANSWER-
gold handles
7.2 pounds per cubic foot - ANSWER-Maximum density for linen packs
Package condensation will occur when - ANSWER-Placing hot or warm packages in
cold surfaces
The decontamination area of the central service department should have -
ANSWER-10 air exchanges per hour
ISO 9000 - ANSWER-an international standard used by participating organizations
to help assure that they consistently deliver quality services and products
Air exchanges in EtO sterilizer room - ANSWER-10 per hour
