Infection Control · single question
Which agent is considered the best disinfectant for smooth, non-critical surfaces?
Show answer and explanation
Correct answer: A. Phenol (phenolic) disinfectant
- A. Correct. Phenolics are recommended for smooth surfaces and are effective intermediate-level surface disinfectants.
- B. Quaternary ammonium compounds are low-level disinfectants, less suited as the 'best' for these surfaces.
- C. Plain soap cleans but does not adequately disinfect.
- D. Distilled water has no disinfecting action.
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