Hand Hygiene and Cross-Contamination Prevention · CDA

Cross-contamination occurs primarily through:

  1. Direct or indirect contact with surfaces
  2. Fluctuations in room temperature
  3. Persistently low humidity levels
  4. Normal airflow within the operatory
Show answer and explanation

Correct answer: Direct or indirect contact with surfaces

Pathogens spread through contact with contaminated objects or individuals. Preventive measures must target these routes.

Difficulty: Medium Question 11 of 20

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