IAHCSMM (CRCST) 2026 Question and Answer
| Updated Review from Previously Tested
Questions | Grade A+
• Equipment should be inspected for obvious hazards such as cracked or frayed
electrical cords: -✓✓whenever the equipment is cleaned
• Impregnated Gauze Strips may be sterilized using: -✓✓dry heat sterilization
• Powered surgical instruments should be cleaned using a mechanical cleaning
process. -✓✓False. They should all be cleaned manually.
• Agency responsible for the MedWatch program -✓✓FDA food and drug administration
• Phenolics are classified as -✓✓intermediate to low level disinfectants
• To prevent coagulation of proteins, water temperature should be -✓✓Below 43 C (110
F)
• Secondary containers of chemicals -✓✓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 -✓✓arteries
• The percentage of hospital patients that develop a healthcare facility-associated
infection. -✓✓Approximately 10%
• Spiral shaped bacteria are classified as -✓✓spirillum
• The two most common techniques of flat wrap packaging are -✓✓Square-fold and
envelope-fold
• Third party reprocessors are regulated by the FDA -✓✓True
• In central service, the concept of "one-way flow of materials" refers to the movement of
products -✓✓From soiled areas to clean processing areas within central service
• Horizontal work surfaces in the decontamination area should be cleaned and
disinfected -✓✓At the beginning and end of each shift.
• A material that removes electrons from another substance is Called -✓✓an oxidizing
agent
, • Pre-Vacuum Steam Sterilizer & Steam Flush Pressure-Pulse (SFPP) -✓✓Use an
active air removal system
• These chemicals are used on animate (living tissue) to slow the growth of
microorganisms: -✓✓antiseptics
• Agency responsible for regulating EO -✓✓OSHA and EPA
• Scissors with tungsten carbide cutting edges are usually identified by -✓✓gold handles
• 7.2 pounds per cubic foot -✓✓Maximum density for linen packs
• Package condensation will occur when -✓✓Placing hot or warm packages in cold
surfaces
• The decontamination area of the central service department should have -✓✓10 air
exchanges per hour
• ISO 9000 -✓✓an international standard used by participating organizations to help
assure that they consistently deliver quality services and products
• Air exchanges in EtO sterilizer room -✓✓10 per hour
• Water purification usually involves the use of a -✓✓pre and post filter
• Which of the following is not an acceptable form of instrument marking? -✓✓Electric
etching (engraving)
• Aluminum items should be cleaned: -✓✓using a to and fro motion with the grain
• Wicking materials are used to : -✓✓allow air removal, steam penetration and facilitate
drying
• Exchange cart system -✓✓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? -✓✓Instrument
• Solution used to remove the white, hard-to-remove substance that sometimes appears
on sinks and equipment -✓✓descaler
• Pexy is -✓✓Surgical fixation
| Updated Review from Previously Tested
Questions | Grade A+
• Equipment should be inspected for obvious hazards such as cracked or frayed
electrical cords: -✓✓whenever the equipment is cleaned
• Impregnated Gauze Strips may be sterilized using: -✓✓dry heat sterilization
• Powered surgical instruments should be cleaned using a mechanical cleaning
process. -✓✓False. They should all be cleaned manually.
• Agency responsible for the MedWatch program -✓✓FDA food and drug administration
• Phenolics are classified as -✓✓intermediate to low level disinfectants
• To prevent coagulation of proteins, water temperature should be -✓✓Below 43 C (110
F)
• Secondary containers of chemicals -✓✓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 -✓✓arteries
• The percentage of hospital patients that develop a healthcare facility-associated
infection. -✓✓Approximately 10%
• Spiral shaped bacteria are classified as -✓✓spirillum
• The two most common techniques of flat wrap packaging are -✓✓Square-fold and
envelope-fold
• Third party reprocessors are regulated by the FDA -✓✓True
• In central service, the concept of "one-way flow of materials" refers to the movement of
products -✓✓From soiled areas to clean processing areas within central service
• Horizontal work surfaces in the decontamination area should be cleaned and
disinfected -✓✓At the beginning and end of each shift.
• A material that removes electrons from another substance is Called -✓✓an oxidizing
agent
, • Pre-Vacuum Steam Sterilizer & Steam Flush Pressure-Pulse (SFPP) -✓✓Use an
active air removal system
• These chemicals are used on animate (living tissue) to slow the growth of
microorganisms: -✓✓antiseptics
• Agency responsible for regulating EO -✓✓OSHA and EPA
• Scissors with tungsten carbide cutting edges are usually identified by -✓✓gold handles
• 7.2 pounds per cubic foot -✓✓Maximum density for linen packs
• Package condensation will occur when -✓✓Placing hot or warm packages in cold
surfaces
• The decontamination area of the central service department should have -✓✓10 air
exchanges per hour
• ISO 9000 -✓✓an international standard used by participating organizations to help
assure that they consistently deliver quality services and products
• Air exchanges in EtO sterilizer room -✓✓10 per hour
• Water purification usually involves the use of a -✓✓pre and post filter
• Which of the following is not an acceptable form of instrument marking? -✓✓Electric
etching (engraving)
• Aluminum items should be cleaned: -✓✓using a to and fro motion with the grain
• Wicking materials are used to : -✓✓allow air removal, steam penetration and facilitate
drying
• Exchange cart system -✓✓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? -✓✓Instrument
• Solution used to remove the white, hard-to-remove substance that sometimes appears
on sinks and equipment -✓✓descaler
• Pexy is -✓✓Surgical fixation
