During disinfection, implements should be placed in a container that is...

• A. Open tray
• B. Covered container large enough to be completely immersed
• C. Small cup of water
• D. Sealed bag

Answer: (B)

Disinfection relies on every surface of the tool being in contact with the disinfectant for the required dwell time. Using a container that is large enough to completely submerge the implements and that can be covered ensures all surfaces stay in contact with the liquid, minimizes evaporation and contamination, and guarantees full immersion. An open tray leaves surfaces exposed to air and can allow solution to evaporate or spill. A small cup of water isn’t a disinfectant at all. A sealed bag may trap air and doesn’t ensure proper surface contact with the liquid. So, a covered container large enough to fully immerse the tools is the best choice. Remember to clean implements first and follow the product’s dilution and dwell-time instructions.