Page 1 of 196
IAHCSMM CRCST PRACTICE TEST 2026 BANK
ALL COMPLETE (461) CURRENT TESTING
QUESTIONS AND DETAILED CORRECT
ANSWERS|TOP-RATED A+.
IAHCSMM CRCST
Prepare for the IAHCSMM CRCST Practice Test with this concise
study resource covering sterile processing fundamentals,
infection control, instrumentation, and exam-style
questions. Designed to improve knowledge and test readiness.
Suitable for professionals preparing for the CRCST certification
exam.
True or False:
Sometimes State or local regulations differ from Federal
regulations and when that happens, the most stringent
regulations apply. ...... ✓ ✓ ANSWER .... True
Which type of fire extinguisher should be used on flammable
liquids?
- Type A
- Type B
- Type C
- Type D ...... ✓ ✓ ANSWER Type B
, Page 2 of 196
Deionized water is used for:
-Sterile irrigation
- Heating/cooling therapy units
- Injection
- Steam sterilizers ...... ✓ ✓ ANSWER Sterile Irrigation
Minimum Recommendations for EtO Aeration
- 8 hours at 140 F or 12 hours at 122 F
- 8 hours at 140 F or 10 hours at 122 F
, Page 3 of 196
- 6 hours at 140 F or 8 hours at 122 F ...... ✓ ✓ ANSWER
....................................................... 8 hours at 140 F or 12
Hours at
122F
Which of the following sterilization quality assurance
measurements is designed to provide a written record of
sterilizer cycle activity:
- Biological tests
- Bowie dick tests
- Mechanical recording charts/printouts
- Chemical integrators...... ✓ ✓ ANSWER Mechanical
recording charts/printouts
Thread-like "tails" that help bacteria move through liquids are
called:
- Nucleus
- Causative agent
- Flagella
- Spores ...... ✓ ✓ ANSWER Flagella
True or False:
, Page 4 of 196
Anaerobic bacteria require free oxygen to live. ...... ✓ ✓ ANSWER
.................................................................. False
True or False:
Instruments are heat treated to give their surface a mirror (shiny)
finish. ...... ✓ ✓ ANSWER ....... False
Water that is turbid is:
- Hot
- Tepid
- Clear
IAHCSMM CRCST PRACTICE TEST 2026 BANK
ALL COMPLETE (461) CURRENT TESTING
QUESTIONS AND DETAILED CORRECT
ANSWERS|TOP-RATED A+.
IAHCSMM CRCST
Prepare for the IAHCSMM CRCST Practice Test with this concise
study resource covering sterile processing fundamentals,
infection control, instrumentation, and exam-style
questions. Designed to improve knowledge and test readiness.
Suitable for professionals preparing for the CRCST certification
exam.
True or False:
Sometimes State or local regulations differ from Federal
regulations and when that happens, the most stringent
regulations apply. ...... ✓ ✓ ANSWER .... True
Which type of fire extinguisher should be used on flammable
liquids?
- Type A
- Type B
- Type C
- Type D ...... ✓ ✓ ANSWER Type B
, Page 2 of 196
Deionized water is used for:
-Sterile irrigation
- Heating/cooling therapy units
- Injection
- Steam sterilizers ...... ✓ ✓ ANSWER Sterile Irrigation
Minimum Recommendations for EtO Aeration
- 8 hours at 140 F or 12 hours at 122 F
- 8 hours at 140 F or 10 hours at 122 F
, Page 3 of 196
- 6 hours at 140 F or 8 hours at 122 F ...... ✓ ✓ ANSWER
....................................................... 8 hours at 140 F or 12
Hours at
122F
Which of the following sterilization quality assurance
measurements is designed to provide a written record of
sterilizer cycle activity:
- Biological tests
- Bowie dick tests
- Mechanical recording charts/printouts
- Chemical integrators...... ✓ ✓ ANSWER Mechanical
recording charts/printouts
Thread-like "tails" that help bacteria move through liquids are
called:
- Nucleus
- Causative agent
- Flagella
- Spores ...... ✓ ✓ ANSWER Flagella
True or False:
, Page 4 of 196
Anaerobic bacteria require free oxygen to live. ...... ✓ ✓ ANSWER
.................................................................. False
True or False:
Instruments are heat treated to give their surface a mirror (shiny)
finish. ...... ✓ ✓ ANSWER ....... False
Water that is turbid is:
- Hot
- Tepid
- Clear
