IAHCSMM (CRCST) 2026 Question and Answer
| Newest Previously Tested Scripts | Verified
Solutions | A+ Verified
• Which type of fire extinguisher should be used on flammable liquids?
- Type A
- Type B
- Type C
- Type D -✓✓Type B
• Deionized water is used for:
-Sterile irrigation
- Heating/cooling therapy units
- Injection
- Steam sterilizers -✓✓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
- 6 hours at 140 F or 8 hours at 122 F -✓✓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 -✓✓Mechanical recording charts/printouts
• Thread-like "tails" that help bacteria move through liquids are called:
- Nucleus
- Causative agent
- Flagella
- Spores -✓✓Flagella
• True or False:
Anaerobic bacteria require free oxygen to live. -✓✓False
• True or False:
Instruments are heat treated to give their surface a mirror (shiny) finish. -✓✓False
• Water that is turbid is:
- Hot
- Tepid
- Clear
- Cloudy -✓✓Cloudy
• This unit pumps heated or cooled water through a coiled pad to therapeutically
raise or lower the body temperature
- PCA pump
, - Hypothermia unit
- Feeding pump
- Pump -✓✓Hypothermia unit
• For safety purposes, Central Service Technicians should consider all
microorganisms in the decontamination area:
- Gram-Positive
- Gram-Negative
- Manageable
- Potentially Infectious -✓✓Potentially infectious
• True or False:
To prevent aerosols, items should be brushed below the surface of the water. -
✓✓True
• True or False:
Infectious medical waste is regulated by the EPA -✓✓True
• Paper/plastic sterilization pouches:
- Are not suitable for steam sterilization processes
- Should not be placed inside of wrapped sets or containers
- Should be used only for dry heat sterilization processes
- Are used to package wood and cork products for sterilization -✓✓Should not be
placed inside of wrapped sets or containers
• Medical Device reporting is regulated by the
| Newest Previously Tested Scripts | Verified
Solutions | A+ Verified
• Which type of fire extinguisher should be used on flammable liquids?
- Type A
- Type B
- Type C
- Type D -✓✓Type B
• Deionized water is used for:
-Sterile irrigation
- Heating/cooling therapy units
- Injection
- Steam sterilizers -✓✓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
- 6 hours at 140 F or 8 hours at 122 F -✓✓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 -✓✓Mechanical recording charts/printouts
• Thread-like "tails" that help bacteria move through liquids are called:
- Nucleus
- Causative agent
- Flagella
- Spores -✓✓Flagella
• True or False:
Anaerobic bacteria require free oxygen to live. -✓✓False
• True or False:
Instruments are heat treated to give their surface a mirror (shiny) finish. -✓✓False
• Water that is turbid is:
- Hot
- Tepid
- Clear
- Cloudy -✓✓Cloudy
• This unit pumps heated or cooled water through a coiled pad to therapeutically
raise or lower the body temperature
- PCA pump
, - Hypothermia unit
- Feeding pump
- Pump -✓✓Hypothermia unit
• For safety purposes, Central Service Technicians should consider all
microorganisms in the decontamination area:
- Gram-Positive
- Gram-Negative
- Manageable
- Potentially Infectious -✓✓Potentially infectious
• True or False:
To prevent aerosols, items should be brushed below the surface of the water. -
✓✓True
• True or False:
Infectious medical waste is regulated by the EPA -✓✓True
• Paper/plastic sterilization pouches:
- Are not suitable for steam sterilization processes
- Should not be placed inside of wrapped sets or containers
- Should be used only for dry heat sterilization processes
- Are used to package wood and cork products for sterilization -✓✓Should not be
placed inside of wrapped sets or containers
• Medical Device reporting is regulated by the
