HSPA CRCST EXAM QUESTIONS AND
VERIFIED ANSWERS
Reprocessed sterile package labels should include?
Description of package contents
Detergents work by doing all of the following?
Break down and/or digest large organic molecules to facilitate their removal
Antiseptics are suitable for instrument disinfection
False
Hydrophobic
Describing a substance that does not absorb water
Biofilm
A collection of microorganisms that attach to surfaces and each other and form
a colony, this film is difficult to penetrate with detergents and disinfectants
Chlorides are always found in
Treated water
The degree to which steam is free of dissolved and suspended particles, water
treatment chemicals, and other contaminants
Steam Purity
What does RCA stand for?
Root Cause Analysis
Bowie dick tests are performed how often?
Daily
What temperature should the water in the wash sink be?
80-110 degrees
, What is utility water?
Water as it comes from the tap, mainly used for flushing washing and rinsing
What is critical water?
Water that is extensively treated to ensure that microorganisms and organic and
inorganic material are removed
What are mechanical cleaners and some examples?
Mechanical cleaners work to remove soil and microorganisms using an
automated cleaning process (ex Ultrasonic, Irrigating sonics, Instrument
washers, Cart Washers, and Pasteurizers)
What is impingement?
The spray force action of pressurized water against instruments being processed
to remove bioburden
What is thermal disinfection?
Use of heat to reduce the amount of microorganisms
What is an emulsifier?
Any ingredient used to bind together substances that typically do not combine
such as oil and water
What is a surfactant?
A substance that lowers the surface tension of the water and increases the
solubility of organic compounds
What are chelating agents?
Chemicals that hold hard water minerals in solution and prevent soap or
detergent from reacting with the minerals
Protease enzymes
Break down blood, mucous, feces, and albumin
Lipase enzyme
Enzyme that breaks down fat
VERIFIED ANSWERS
Reprocessed sterile package labels should include?
Description of package contents
Detergents work by doing all of the following?
Break down and/or digest large organic molecules to facilitate their removal
Antiseptics are suitable for instrument disinfection
False
Hydrophobic
Describing a substance that does not absorb water
Biofilm
A collection of microorganisms that attach to surfaces and each other and form
a colony, this film is difficult to penetrate with detergents and disinfectants
Chlorides are always found in
Treated water
The degree to which steam is free of dissolved and suspended particles, water
treatment chemicals, and other contaminants
Steam Purity
What does RCA stand for?
Root Cause Analysis
Bowie dick tests are performed how often?
Daily
What temperature should the water in the wash sink be?
80-110 degrees
, What is utility water?
Water as it comes from the tap, mainly used for flushing washing and rinsing
What is critical water?
Water that is extensively treated to ensure that microorganisms and organic and
inorganic material are removed
What are mechanical cleaners and some examples?
Mechanical cleaners work to remove soil and microorganisms using an
automated cleaning process (ex Ultrasonic, Irrigating sonics, Instrument
washers, Cart Washers, and Pasteurizers)
What is impingement?
The spray force action of pressurized water against instruments being processed
to remove bioburden
What is thermal disinfection?
Use of heat to reduce the amount of microorganisms
What is an emulsifier?
Any ingredient used to bind together substances that typically do not combine
such as oil and water
What is a surfactant?
A substance that lowers the surface tension of the water and increases the
solubility of organic compounds
What are chelating agents?
Chemicals that hold hard water minerals in solution and prevent soap or
detergent from reacting with the minerals
Protease enzymes
Break down blood, mucous, feces, and albumin
Lipase enzyme
Enzyme that breaks down fat
