IAHCSMM CRCST PRACTICE EXAM WITH REAL
QUESTIONS AND ANSWERS (VERIFIED ANSWERS)|
ALREADY GRADE A+ 2026.
True or False:
Sometimes State or local regulations differ from Federal regulations and when that happens,
the most stringent regulations apply. - ✔✔✔ANSW✔✔..True
Which type of fire extinguisher should be used on flammable liquids?
- Type A
- Type B
- Type C
- Type D -
✔✔✔ANSW✔✔..Type B
Deionized water is used for:
-Sterile irrigation
- Heating/cooling therapy units
- Injection
- Steam sterilizers - ✔✔✔ANSW✔✔..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 - ✔✔✔ANSW✔✔..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 - ✔✔✔ANSW✔✔..Mechanical recording charts/printouts
Thread-like "tails" that help bacteria move through liquids are called:
- Nucleus
- Causative agent
- Flagella
- Spores - ✔✔✔ANSW✔✔..Flagella
True or False:
Anaerobic bacteria require free oxygen to live. - ✔✔✔ANSW✔✔..False
True or False:
Instruments are heat treated to give their surface a mirror (shiny) finish. -
✔✔✔ANSW✔✔..False
Water that is turbid is:
- Hot
- Tepid
- Clear
- Cloudy - ✔✔✔ANSW✔✔..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 - ✔✔✔ANSW✔✔..Hypothermia unit
, For safety purposes, Central Service Technicians should consider all microorganisms in the
decontamination area:
- Gram-Positive
- Gram-Negative
- Manageable
- Potentially Infectious - ✔✔✔ANSW✔✔..Potentially infectious
True or False:
To prevent aerosols, items should be brushed below the surface of the water. -
✔✔✔ANSW✔✔..True
True or False:
Infectious medical waste is regulated by the EPA - ✔✔✔ANSW✔✔..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 -
✔✔✔ANSW✔✔..Should not be placed inside of wrapped sets or containers
Medical Device reporting is regulated by the
- NFPA
- EPA
- WHO
- FDA - ✔✔✔ANSW✔✔..FDA
Wicking materials are used to:
- Dry instruments before sterilization
- Allow air removal,steam penetration and facilitate drying
- Cushion instruments from the extreme force in steam sterilizer chambers
- Hold water away from the bottom of instrument trays - ✔✔✔ANSW✔✔..Allow air
removal,steam penetration and facilitate drying
Maximum Density for Linen Packs - ✔✔✔ANSW✔✔..7.2 pounds per cubic foot
Loaner instruments should:
QUESTIONS AND ANSWERS (VERIFIED ANSWERS)|
ALREADY GRADE A+ 2026.
True or False:
Sometimes State or local regulations differ from Federal regulations and when that happens,
the most stringent regulations apply. - ✔✔✔ANSW✔✔..True
Which type of fire extinguisher should be used on flammable liquids?
- Type A
- Type B
- Type C
- Type D -
✔✔✔ANSW✔✔..Type B
Deionized water is used for:
-Sterile irrigation
- Heating/cooling therapy units
- Injection
- Steam sterilizers - ✔✔✔ANSW✔✔..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 - ✔✔✔ANSW✔✔..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 - ✔✔✔ANSW✔✔..Mechanical recording charts/printouts
Thread-like "tails" that help bacteria move through liquids are called:
- Nucleus
- Causative agent
- Flagella
- Spores - ✔✔✔ANSW✔✔..Flagella
True or False:
Anaerobic bacteria require free oxygen to live. - ✔✔✔ANSW✔✔..False
True or False:
Instruments are heat treated to give their surface a mirror (shiny) finish. -
✔✔✔ANSW✔✔..False
Water that is turbid is:
- Hot
- Tepid
- Clear
- Cloudy - ✔✔✔ANSW✔✔..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 - ✔✔✔ANSW✔✔..Hypothermia unit
, For safety purposes, Central Service Technicians should consider all microorganisms in the
decontamination area:
- Gram-Positive
- Gram-Negative
- Manageable
- Potentially Infectious - ✔✔✔ANSW✔✔..Potentially infectious
True or False:
To prevent aerosols, items should be brushed below the surface of the water. -
✔✔✔ANSW✔✔..True
True or False:
Infectious medical waste is regulated by the EPA - ✔✔✔ANSW✔✔..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 -
✔✔✔ANSW✔✔..Should not be placed inside of wrapped sets or containers
Medical Device reporting is regulated by the
- NFPA
- EPA
- WHO
- FDA - ✔✔✔ANSW✔✔..FDA
Wicking materials are used to:
- Dry instruments before sterilization
- Allow air removal,steam penetration and facilitate drying
- Cushion instruments from the extreme force in steam sterilizer chambers
- Hold water away from the bottom of instrument trays - ✔✔✔ANSW✔✔..Allow air
removal,steam penetration and facilitate drying
Maximum Density for Linen Packs - ✔✔✔ANSW✔✔..7.2 pounds per cubic foot
Loaner instruments should:
