Which situation will cause a disinfectant to lose its effectiveness in destroying microorganisms?
A. Solution not prepared or mixed properly before use
B. Mixing of the disinfectant solution before use
C. Storage of the disinfectant solution in a closed container
D. Usage of disinfectant solution on a previously sanitized instrument
Answer (2)
The effectiveness of disinfectants can be compromised primarily by improper preparation and mixing before use. This can result in inadequate concentrations that fail to eliminate microorganisms. While other factors like storage and usage on sanitized items play a role, they are less critical than the initial mixing and preparation. ;
The situation that will cause a disinfectant to lose its effectiveness is A: the solution not prepared or mixed properly before use. Proper mixing and concentration are essential for the disinfectant to work effectively. Other options are less critical in compromising effectiveness.
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