1|Page
CRCST EXAM LATEST 2024/2025 QUESTIONS
AND CORRECT ANSWERS(100% CORRECT
VERIFIED ANSWERS)ALREADY GRADED A+
After the Bowie Dick's test cycle completes, the color of
the test sheet is found to be patchy. What action should
be taken?
A. The sterilization time should be increased and the test
rerun per manufacturer's IFU
B. CST should go ahead and load the sterilizer for
sterilization to begin.
C. Sterilizer must be taken out of service until the issue is
identified and fixed. - .....ANSWER ...✔✔ C. Sterilizer
must be taken out of service until the issue is identified
and fixed.
The spore producing microorganism used in steam
sterilizer testing is
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A. Geobacillus Stearothermophilus
B. Bacillus Subtillus
C. Bacillus Atrophaeus - .....ANSWER ...✔✔ A.
Geobacillus Stearothermophilus
Which of the following is used to reduce the amount of
chloride in water that will otherwise inhibit the
effectiveness of deionization and reverse osmosis
systems?
A. Descalers
B. Granular Activated Charcoal
C. Enzymatic detergent
D. Chelating Agents - .....ANSWER ...✔✔ B. Granular
Activated Charcoal
Wha tis the packaging of choice for dry heat
sterilization?
A. Aluminum Foil
B. Nonwoven wrap
C. Paper-plastic - .....ANSWER ...✔✔ A. Aluminum Foil
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All of the following PPE are required by OSHA for techs
in Decon except
A. Utility Gloves
B. Face Protection
C. Shoe Covers
D. Scrub Attire - .....ANSWER ...✔✔ D. Scrub Attire
Which of the orgs work to prevent HAI. (Hospital
Associated Infection)
A. ANSI
B. NFPA
C. APIC
D. USP-NF - .....ANSWER ...✔✔ C. APIC
Which of the following agencies develops recommended
standards, practices and guidelines for care and
processing of devices?
A. DOT
B. FDA
C. SGNA
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D. AAMI - .....ANSWER ...✔✔ D. AAMI
Which of the following sterilants will be most
appropriate for point of use, just in time processing
system?
A. Peracetic Acid
B. Ethylene Oxide
C. Steam - .....ANSWER ...✔✔ A. Peracetic Acid
The length of time after which the efficiency of a
disinfectant is diminished
A. Sterility
B. Shelf life
C. Effective period
D. Use Life - .....ANSWER ...✔✔ D. Use Life
The medical abbreviation ESS involves
A. Hip joint reconstruction
CRCST EXAM LATEST 2024/2025 QUESTIONS
AND CORRECT ANSWERS(100% CORRECT
VERIFIED ANSWERS)ALREADY GRADED A+
After the Bowie Dick's test cycle completes, the color of
the test sheet is found to be patchy. What action should
be taken?
A. The sterilization time should be increased and the test
rerun per manufacturer's IFU
B. CST should go ahead and load the sterilizer for
sterilization to begin.
C. Sterilizer must be taken out of service until the issue is
identified and fixed. - .....ANSWER ...✔✔ C. Sterilizer
must be taken out of service until the issue is identified
and fixed.
The spore producing microorganism used in steam
sterilizer testing is
,2|Page
A. Geobacillus Stearothermophilus
B. Bacillus Subtillus
C. Bacillus Atrophaeus - .....ANSWER ...✔✔ A.
Geobacillus Stearothermophilus
Which of the following is used to reduce the amount of
chloride in water that will otherwise inhibit the
effectiveness of deionization and reverse osmosis
systems?
A. Descalers
B. Granular Activated Charcoal
C. Enzymatic detergent
D. Chelating Agents - .....ANSWER ...✔✔ B. Granular
Activated Charcoal
Wha tis the packaging of choice for dry heat
sterilization?
A. Aluminum Foil
B. Nonwoven wrap
C. Paper-plastic - .....ANSWER ...✔✔ A. Aluminum Foil
,3|Page
All of the following PPE are required by OSHA for techs
in Decon except
A. Utility Gloves
B. Face Protection
C. Shoe Covers
D. Scrub Attire - .....ANSWER ...✔✔ D. Scrub Attire
Which of the orgs work to prevent HAI. (Hospital
Associated Infection)
A. ANSI
B. NFPA
C. APIC
D. USP-NF - .....ANSWER ...✔✔ C. APIC
Which of the following agencies develops recommended
standards, practices and guidelines for care and
processing of devices?
A. DOT
B. FDA
C. SGNA
, 4|Page
D. AAMI - .....ANSWER ...✔✔ D. AAMI
Which of the following sterilants will be most
appropriate for point of use, just in time processing
system?
A. Peracetic Acid
B. Ethylene Oxide
C. Steam - .....ANSWER ...✔✔ A. Peracetic Acid
The length of time after which the efficiency of a
disinfectant is diminished
A. Sterility
B. Shelf life
C. Effective period
D. Use Life - .....ANSWER ...✔✔ D. Use Life
The medical abbreviation ESS involves
A. Hip joint reconstruction
