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CRCST FREE SAMPLE QUESTIONS AND REVIEW
IAHCSMM CRCST sample questions. Free CRCST practice questions and review notes
CLEANING OF INSTRUMENTS
SITUATIONS THAT CALL FOR CLEANING OF INSTRUMENTS 1. When loaner instruments are received in the facility 2. When newly purchased instruments are received in the facility 3. After the instruments have been repaired 4. After the instruments have been dispatched …
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PROTECTING SURGICAL INSTRUMENTS
Immediately after a surgical procedure, the used instruments should be kept moist in a towel moistened with sterile water and transported without delay to the decontamination area. Spray or gel as recommended in Manufacturer’s IFU can be used to moisten …
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ENZYMATIC SOLUTIONS
Enzymatic solutions are cleaning agents used to breakdown bioburden like stains, tissue, soil, fats and mucous from surgical instruments so they can be easily cleaned and decontaminated later on. There are different types of enzymatic solutions. They are named based …
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pH SCALE
The relative acidity or alkalinity of a solution is referred to as its pH On a scale of 1 to 14, a pH of 1-6 is said to be acidic, a pH of 8-14 is said to be alkaline. 7 …
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ULTRASONIC CLEANING
Before instruments can be sterilized, they must be cleaned and decontaminated Cleaning can be done manually or mechanically. Manual cleaning is used for delicate or complex instruments and for power instruments like pneumatic, battery or electrical devices that can’t be …
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WATER PURIFICATION
Tap Water is water that comes from the city’s water supply. It is the water we drink (drinking water). Even though tap water is clean and safe to drink it is not pure and may contain ions and metals that …
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LOADING ITEMS IN THE STERILIZER
When loading items into the sterilizer: Items must be arranged in such a way that provides maximum exposure of the surface to the sterilizing agent Perforated trays should be placed so the tray is parallel to the shelf Non-perforated containers …