HSPA CRCST Exam 2025 – New Format, Requirements
& Prep Tips
1. Reprocessed sterile
Description of package contents
package la- bels should
include?
Break down and/or digest large organic
2. Detergents work by doing all
molecules to facilitate their removal
of the following except?
3. Antiseptics are suitable for False
instru- ment disinfection
4. Hydrophobic Describing a substance that does not absorb
water
5. Biofilm A collection of microorganisms that attach to
surfaces and each other and form a colony, this
film is diflcult to penetrate with detergents and
disinfectants
6. Chlorides are always found in Treated water
7. Degree to which steam is free of dissolved and suspended
1/
10
, HSPA CRCST Exam 2025 – New Format, Requirements
& Prep Tips
par- ticles, water treatment Steam Purity
chemicals, and other
contaminants
8. What does RCA stand for? Root Cause Analysis
9. Bowie dick tests are Daily
performed how often?
10. What temperature should the
80-110 degrees
wa- ter in the wash sink be?
11. What is utility water? Water as it comes from the tap, mainly used for
flushing
washing and rinsing
12. What is critical water?
1/
10
, HSPA CRCST Exam 2025 – New Format, Requirements &
Prep Tips
Water that is extensively treated to ensure that microor-
ganisms and organic and inorganic material are
re- moved
13. What are mechanical cleaners and Mechanical cleaners work to remove soil
and microor-
some ganisms using an automated cleaning process (ex Ultra-
examples? sonic, Irrigating sonics, Instrument washers, Cart
Wash- ers, and Pasteurizers)
14. What is impingement? The spray force action of pressurized water against
in-
struments being processed to remove bioburden
15. What is thermal disinfection? Use of heat to reduce the amount of
microorganisms
16. What is an emulsifier? Any ingredient used to bind together substances
that
typically do not combine such as oil and water
17. What is a surfactant? A substance that lowers the surface tension of the
water
and increases the solubility of organic compounds
18. What are chelating agents? Chemicals that hold hard water minerals in
solution and
prevent soap or detergent from reacting with the
min- erals
19. Protease enzymes Break down blood, mucous, feces, and albumin
20. Lipase enzyme Enzyme that breaks down fat
21. Amylase Enzyme Breaks down starch
& Prep Tips
1. Reprocessed sterile
Description of package contents
package la- bels should
include?
Break down and/or digest large organic
2. Detergents work by doing all
molecules to facilitate their removal
of the following except?
3. Antiseptics are suitable for False
instru- ment disinfection
4. Hydrophobic Describing a substance that does not absorb
water
5. Biofilm A collection of microorganisms that attach to
surfaces and each other and form a colony, this
film is diflcult to penetrate with detergents and
disinfectants
6. Chlorides are always found in Treated water
7. Degree to which steam is free of dissolved and suspended
1/
10
, HSPA CRCST Exam 2025 – New Format, Requirements
& Prep Tips
par- ticles, water treatment Steam Purity
chemicals, and other
contaminants
8. What does RCA stand for? Root Cause Analysis
9. Bowie dick tests are Daily
performed how often?
10. What temperature should the
80-110 degrees
wa- ter in the wash sink be?
11. What is utility water? Water as it comes from the tap, mainly used for
flushing
washing and rinsing
12. What is critical water?
1/
10
, HSPA CRCST Exam 2025 – New Format, Requirements &
Prep Tips
Water that is extensively treated to ensure that microor-
ganisms and organic and inorganic material are
re- moved
13. What are mechanical cleaners and Mechanical cleaners work to remove soil
and microor-
some ganisms using an automated cleaning process (ex Ultra-
examples? sonic, Irrigating sonics, Instrument washers, Cart
Wash- ers, and Pasteurizers)
14. What is impingement? The spray force action of pressurized water against
in-
struments being processed to remove bioburden
15. What is thermal disinfection? Use of heat to reduce the amount of
microorganisms
16. What is an emulsifier? Any ingredient used to bind together substances
that
typically do not combine such as oil and water
17. What is a surfactant? A substance that lowers the surface tension of the
water
and increases the solubility of organic compounds
18. What are chelating agents? Chemicals that hold hard water minerals in
solution and
prevent soap or detergent from reacting with the
min- erals
19. Protease enzymes Break down blood, mucous, feces, and albumin
20. Lipase enzyme Enzyme that breaks down fat
21. Amylase Enzyme Breaks down starch
