THE ULTIMATE IAHCSMM CRCST
PRACTICE TEST QUIZ EXAM WITH
CORRECT QUESTIONS AND ANSWERS
2025
True or False:
Sometimes State or local regulations differ from Federal regulations and when that happens, the
most stringent regulations apply. - CORRECT-ANSWERSTrue
Which type of fire extinguisher should be used on flammable liquids?
- Type A
- Type B
- Type C
- Type D - CORRECT-ANSWERSType B
Deionized water is used for:
-Sterile irrigation
- Heating/cooling therapy units
- Injection
- Steam sterilizers - CORRECT-ANSWERSSterile 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
, - 6 hours at 140 F or 8 hours at 122 F - CORRECT-ANSWERS8 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 - CORRECT-ANSWERSMechanical recording charts/printouts
Thread-like "tails" that help bacteria move through liquids are called:
- Nucleus
- Causative agent
- Flagella
- Spores - CORRECT-ANSWERSFlagella
True or False:
Anaerobic bacteria require free oxygen to live. - CORRECT-ANSWERSFalse
True or False:
Instruments are heat treated to give their surface a mirror (shiny) finish. - CORRECT-
ANSWERSFalse
Water that is turbid is:
- Hot
- Tepid
- Clear
- Cloudy - CORRECT-ANSWERSCloudy
PRACTICE TEST QUIZ EXAM WITH
CORRECT QUESTIONS AND ANSWERS
2025
True or False:
Sometimes State or local regulations differ from Federal regulations and when that happens, the
most stringent regulations apply. - CORRECT-ANSWERSTrue
Which type of fire extinguisher should be used on flammable liquids?
- Type A
- Type B
- Type C
- Type D - CORRECT-ANSWERSType B
Deionized water is used for:
-Sterile irrigation
- Heating/cooling therapy units
- Injection
- Steam sterilizers - CORRECT-ANSWERSSterile 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
, - 6 hours at 140 F or 8 hours at 122 F - CORRECT-ANSWERS8 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 - CORRECT-ANSWERSMechanical recording charts/printouts
Thread-like "tails" that help bacteria move through liquids are called:
- Nucleus
- Causative agent
- Flagella
- Spores - CORRECT-ANSWERSFlagella
True or False:
Anaerobic bacteria require free oxygen to live. - CORRECT-ANSWERSFalse
True or False:
Instruments are heat treated to give their surface a mirror (shiny) finish. - CORRECT-
ANSWERSFalse
Water that is turbid is:
- Hot
- Tepid
- Clear
- Cloudy - CORRECT-ANSWERSCloudy