Infection Control and Waste Management

Disinfection protocols Practice Questions

20 free Disinfection protocols practice questions for the CDA, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.

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All Disinfection protocols questions

20 questions
  1. Q1. What is the primary purpose of surface disinfection in dental settings?
  2. Q2. Which level of disinfectant is recommended for clinical contact surfaces contaminated with blood?
  3. Q3. Before applying disinfectant to a visibly soiled surface, the correct first step is to:
  4. Q4. A disinfectant labeled as “tuberculocidal” indicates:
  5. Q5. Which surfaces require disinfection between every patient?
  6. Q6. Chemical disinfectants must remain wet on surfaces for a specific time known as the:
  7. Q7. Barrier protection on clinical surfaces is particularly useful because:
  8. Q8. Which disinfectant is appropriate for surfaces contaminated with saliva or blood?
  9. Q9. What is the correct procedure for disinfecting clinical contact surfaces?
  10. Q10. Which item is considered a housekeeping surface rather than a clinical contact surface?
  11. Q11. Why must disinfectant products used in dentistry be EPA-registered?
  12. Q12. Low-level disinfectants are appropriate for:
  13. Q13. Using disinfectant wipes instead of sprays is recommended because:
  14. Q14. What should be done if a disinfectant’s label indicates a 3-minute contact time?
  15. Q15. Which surfaces should be covered with barriers instead of disinfected?
  16. Q16. When using spray-wipe-spray disinfection, the first spray is for:
  17. Q17. An ideal disinfectant for dental operatories should be:
  18. Q18. Reusable cloths should not be used for surface disinfection because:
  19. Q19. Which step helps prevent disinfectant resistance in microbial populations?
  20. Q20. If a surface cannot be disinfected or covered easily, the recommended approach is to: