007
CRCST EXAM QUESTIONS
AND CORRECT
ANSWERS 2026-2027 NEW
UPDATE
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.
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
A. Geobacillus Stearothermophilus
B. Bacillus Subtillus
C. Bacillus Atrophaeus
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
Studova
,007
D. Chelating Agents
B. Granular Activated Charcoal
Wha tis the packaging of choice for dry heat sterilization?
A. Aluminum Foil
B. Nonwoven wrap
C. Paper-plastic
A. Aluminum Foil
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 Aflire
D. Scrub Attire
Which of the orgs work to prevent HAI. (Hospital Associated Infection)
A. ANSI
B. NFPA
C. APIC
D. USP-NF
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
D. AAMI
D. AAMI
Which of the following sterilants will be most appropriate for point of use, just in
time processing system?
A. Peracetic Acid
Studova
,007
B. Ethylene Oxide
C. Steam
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
D. Use Life
The medical abbreviation ESS involves
A. Hip joint reconstruction
B. Treatment of fractured bone without with surgical incision.
C. Use of endoscopic instrumentation to operate on the nose.
C. Use of endoscopic instrumentation to operate on the nose.
The main objectives for tracking patient care equipment include all of the following
except
A. Provide information on trends
B. Provide information on current location
C. To track productivity C. To track productivity What is orchiopexy?
A. Making an opening onto the skull bone access the brain.
B. Straightening or removal of bone from the nose.
C. Relocating a non-descended testicle to the correct location in the scrotum.
C. Relocating a non-descended testicle to the correct location in the scrotum.
Sterile packs should be stored away from the exterior walls and windows in
the storage area
Studova
, 007
A. 8"
B. 1"
C. 2"
C. 2"
After sterilization, the wrapped package must cool to
A. Body temperature
B. Room temperature
C. Temperatures below 50 degrees F.
B. Room temperature
Every load that contains implantable device must be monitored with
A. A minimum physical monitors
B. Process Challenge Device (PCD)
C. At a minimum a Chemical Indicator (CI)
B. Process Challenge Device (PCD)
The following agencies recognize that sterility is event related
A. The Joint Commission and AORN
B. AAMI and OSHA
C. AORN and OSHA
A. The Joint Commission and AORN
The relative humidity in the sterile storage area should be
A. Less than 80%
B. Less than 70%
D. Between 30% and 75%
B. Less than 70%
What action should be taken if a failed BI is obtained after the release of processed
medical devices?
A. All medical devices processed in that sterilizer since the last negative biological
indicator was obtained must be recalled.
Studova
CRCST EXAM QUESTIONS
AND CORRECT
ANSWERS 2026-2027 NEW
UPDATE
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.
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
A. Geobacillus Stearothermophilus
B. Bacillus Subtillus
C. Bacillus Atrophaeus
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
Studova
,007
D. Chelating Agents
B. Granular Activated Charcoal
Wha tis the packaging of choice for dry heat sterilization?
A. Aluminum Foil
B. Nonwoven wrap
C. Paper-plastic
A. Aluminum Foil
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 Aflire
D. Scrub Attire
Which of the orgs work to prevent HAI. (Hospital Associated Infection)
A. ANSI
B. NFPA
C. APIC
D. USP-NF
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
D. AAMI
D. AAMI
Which of the following sterilants will be most appropriate for point of use, just in
time processing system?
A. Peracetic Acid
Studova
,007
B. Ethylene Oxide
C. Steam
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
D. Use Life
The medical abbreviation ESS involves
A. Hip joint reconstruction
B. Treatment of fractured bone without with surgical incision.
C. Use of endoscopic instrumentation to operate on the nose.
C. Use of endoscopic instrumentation to operate on the nose.
The main objectives for tracking patient care equipment include all of the following
except
A. Provide information on trends
B. Provide information on current location
C. To track productivity C. To track productivity What is orchiopexy?
A. Making an opening onto the skull bone access the brain.
B. Straightening or removal of bone from the nose.
C. Relocating a non-descended testicle to the correct location in the scrotum.
C. Relocating a non-descended testicle to the correct location in the scrotum.
Sterile packs should be stored away from the exterior walls and windows in
the storage area
Studova
, 007
A. 8"
B. 1"
C. 2"
C. 2"
After sterilization, the wrapped package must cool to
A. Body temperature
B. Room temperature
C. Temperatures below 50 degrees F.
B. Room temperature
Every load that contains implantable device must be monitored with
A. A minimum physical monitors
B. Process Challenge Device (PCD)
C. At a minimum a Chemical Indicator (CI)
B. Process Challenge Device (PCD)
The following agencies recognize that sterility is event related
A. The Joint Commission and AORN
B. AAMI and OSHA
C. AORN and OSHA
A. The Joint Commission and AORN
The relative humidity in the sterile storage area should be
A. Less than 80%
B. Less than 70%
D. Between 30% and 75%
B. Less than 70%
What action should be taken if a failed BI is obtained after the release of processed
medical devices?
A. All medical devices processed in that sterilizer since the last negative biological
indicator was obtained must be recalled.
Studova
