The Ultimate IAHCSMM CRCST Practice Questions and answers Newest RATED A+ 2025/2026

The Ul mate IAHCSMM CRCST Prac ce Ques ons and
answers Newest RATED A+ 2025/2026
True or False:

Some mes State or local regula ons differ from Federal regula ons and when that happens,
the most stringent regula ons apply. - CORRECT ANSWERS True



Which type of fire ex nguisher should be used on flammable liquids?

- Type A

- Type B

- Type C

- Type D - CORRECT ANSWERS Type B



Deionized water is used for:



-Sterile irriga on

- Hea ng/cooling therapy units

- Injec on

- Steam sterilizers - CORRECT ANSWERS Sterile Irriga on



Minimum Recommenda ons for EtO Aera on



- 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 ANSWERS 8 hours at 140 F or 12 Hours at
122F

,Which of the following steriliza on quality assurance measurements is designed to provide a
wri:en record of sterilizer cycle ac vity:

- Biological tests

- Bowie dick tests

- Mechanical recording charts/printouts

- Chemical integrators - CORRECT ANSWERS Mechanical recording charts/printouts



Thread-like "tails" that help bacteria move through liquids are called:

- Nucleus

- Causa ve agent

- Flagella

- Spores - CORRECT ANSWERS Flagella



True or False:

Anaerobic bacteria require free oxygen to live. - CORRECT ANSWERS False



True or False:

Instruments are heat treated to give their surface a mirror (shiny) finish. - CORRECT ANSWERS
False



Water that is turbid is:

- Hot

- Tepid

- Clear

- Cloudy - CORRECT ANSWERS Cloudy

, This unit pumps heated or cooled water through a coiled pad to therapeu cally raise or lower
the body temperature

- PCA pump

- Hypothermia unit

- Feeding pump

- Pump - CORRECT ANSWERS Hypothermia unit



For safety purposes, Central Service Technicians should consider all microorganisms in the
decontamina on area:

- Gram-Posi ve

- Gram-Nega ve

- Manageable

- Poten ally Infec ous - CORRECT ANSWERS Poten ally infec ous



True or False:

To prevent aerosols, items should be brushed below the surface of the water. - CORRECT
ANSWERS True



True or False:

Infec ous medical waste is regulated by the EPA - CORRECT ANSWERS True



Paper/plas c steriliza on pouches:

- Are not suitable for steam steriliza on processes

- Should not be placed inside of wrapped sets or containers

- Should be used only for dry heat steriliza on processes

- Are used to package wood and cork products for steriliza on - CORRECT ANSWERS Should not
be placed inside of wrapped sets or containers