Disinfection protocols · CDA

Which step helps prevent disinfectant resistance in microbial populations?

  1. Using disinfectant products past their expiry
  2. Following label dilution and contact times
  3. Diluting disinfectants beyond what is recommended
  4. Alternating between disinfectants every day
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Correct answer: Following label dilution and contact times

Proper use ensures full antimicrobial effectiveness. Incorrect dilution or contact time reduces efficacy and may encourage resistance.

Difficulty: Medium Question 19 of 20

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