1. B
The RSO ensures radiation safety compliance and protection of workers and the public.

2. B
The Nuclear Regulatory Commission (NRC) oversees radioactive material regulation.

3. B
The ALARA principle ensures minimal radiation exposure while achieving goals.

4. A
Film badges provide a permanent record of cumulative radiation exposure.

5. B
ALARA ensures exposures are kept as low as possible while meeting objectives.

6. B
Dosimeter badges are used to measure and record the accumulated dose of ionizing radiation received by an individual over time.

7. B
The inverse square law states intensity decreases with the square of distance.

8. C
Adult learners benefit from practical examples and experiences that relate directly to their job, improving engagement and retention.

9. B
RSOs provide radiation safety education and training to staff.

10. A
10 CFR Part 20 details NRC radiation protection standards.

11. B
Any overexposure must be immediately reported and investigated.

12. B
Time, distance, and shielding principles reduce exposure risk.

13. D
Exposure records must be retained indefinitely under NRC rules.

14. B
An RSO must demonstrate regulatory and safety expertise.

15. B
Inhalation of radioactive materials results in internal contamination.

16. C
The occupational exposure limit is 50 mSv per year.

17. B
The RSO manages containment, assessment, and reporting during spills.

18. B
Survey meters measure real-time radiation levels.

19. A
An effective program includes administration, training, and monitoring.

20. B
Sealed sources must be tested for leaks every six months.

21. B
Stochastic effects occur randomly and depend on dose probability.

22. A
Training must include current regulations and safety best practices.

23. B
Half-life is the time for half of radioactive atoms to decay.

24. B
Mentorship includes promoting safe work practices and judgment.

25. A
Communication promotes compliance and trust among staff.

26. A
Type, energy, and absorbed dose determine biological effects.

27. A
Audits detect unsafe or noncompliant conditions.

28. A
Quality assurance ensures patient and worker safety in radiological practices.

29. A
Dosimeters track accumulated personal radiation exposure.

30. B
Warning signs must clearly state “Caution—Radiation Area.”

31. B
Training is required at onboarding and annually thereafter.

32. A
Performance-based assessments verify learning outcomes.

33. A
Compliance monitoring ensures adherence to legal safety standards.

34. B
The NCRP develops standards for radiation protection.

35. A
Mentoring through real scenarios enhances understanding.

36. B
ALARA stands for “As Low As Reasonably Achievable,” emphasizing minimizing exposure while maintaining necessary operational effectiveness.

37. B
Cataracts are deterministic effects with threshold doses.

38. A
Effective training is interactive and learner-centered.

39. A
Dose monitoring data must be available for inspection.

40. A
Evaluation assesses the success of training and program compliance.