Radiation Health and Safety

Radiation Emergencies and Safety Checks Practice Questions

20 free Radiation Emergencies and Safety Checks 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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Questions

All Radiation Emergencies and Safety Checks questions

20 questions
  1. Q1. What is the first action to take if a dental X-ray unit shows signs of malfunction during exposure?
  2. Q2. Which device is used to monitor cumulative radiation exposure for dental personnel?
  3. Q3. If a patient collapses during an X-ray exposure, what is the correct response?
  4. Q4. Radiation safety checks on dental X-ray units should be performed:
  5. Q5. A key sign of a potential radiation emergency is:
  6. Q6. During a radiation incident, the best way to minimize exposure is to follow the principle of:
  7. Q7. If a staff dosimeter shows exposure above recommended limits, the first step is to:
  8. Q8. Which scenario requires immediate removal of an X-ray machine from service?
  9. Q9. Lead aprons and thyroid collars should be inspected for:
  10. Q10. In the event of a suspected radiation leakage, what is the correct procedure?
  11. Q11. Which safety device ensures the X-ray beam is properly restricted?
  12. Q12. What should be done if a dosimeter badge is accidentally exposed to non-occupational radiation (e.g., left in car during a medical X-ray)?
  13. Q13. Which action minimizes radiation exposure during equipment failure?
  14. Q14. Pre-use safety checks on digital sensors should include:
  15. Q15. If radiation signage is missing from the operatory door, the correct action is to:
  16. Q16. Who is authorized to repair dental radiographic equipment?
  17. Q17. A radiation emergency is best defined as:
  18. Q18. Which condition requires immediate safety evaluation before performing any further radiographs?
  19. Q19. During an exposure, the operator should stand at least:
  20. Q20. Why must radiation logs be maintained in dental facilities?