Dose limits and regulations MCQs

30 min Score: 0 Attempted: 0/30

1. What is the primary regulatory body responsible for radiation protection in the United States?
(A) FDA
(B) NRC
(C) EPA
(D) OSHA

2. What is the maximum permissible dose limit for radiation workers per year according to the NRC?
(A) 1 mSv
(B) 20 mSv
(C) 50 mSv
(D) 100 mSv

3. What is the annual dose limit for members of the general public exposed to radiation from licensed activities?
(A) 20 mSv
(B) 5 mSv
(C) 10 mSv
(D) 1 mSv

4. What is the dose limit for a pregnant radiation worker during the entire pregnancy?
(A) 5 mSv
(B) 1 mSv
(C) 10 mSv
(D) 50 mSv

5. Which of the following organizations sets international radiation protection standards?
(A) NRC
(B) EPA
(C) ICRP
(D) FDA

6. In radiation protection, what does ALARA stand for?
(A) As Low As Reasonably Achievable
(B) Avoiding Long-term Aspects of Radiation Accumulation
(C) Applying Limits and Reducing Activities
(D) Annual Limits of Radiation Acquisition

7. What is the dose limit for radiation exposure to a child from diagnostic imaging?
(A) There is no specific limit
(B) 0.5 mSv
(C) 1 mSv
(D) 0.1 mSv

8. Which document outlines the federal regulations for the use of radioactive materials?
(A) Title 10 CFR
(B) Title 21 CFR
(C) Title 40 CFR
(D) Title 49 CFR

9. What is the term for the maximum allowable dose of radiation exposure in a specified time period?
(A) Dose limit
(B) Cumulative dose
(C) Dose rate
(D) Exposure rate

10. How often must radiation protection programs be reviewed and updated according to regulatory requirements?
(A) Monthly
(B) Annually
(C) Quarterly
(D) Biannually

11. Which of the following is a dose limit specifically for radiation exposure to the lens of the eye for radiation workers?
(A) 5 mSv
(B) 20 mSv
(C) 15 mSv
(D) 50 mSv

12. What is the dose limit for the skin of radiation workers per year?
(A) 50 mSv
(B) 150 mSv
(C) 500 mSv
(D) 1,000 mSv

13. In a medical setting, who is responsible for ensuring compliance with radiation safety regulations?
(A) Patients
(B) Radiation Safety Officer
(C) Radiologists only
(D) All healthcare workers

14. What does the term “cumulative dose” refer to?
(A) The dose received from a single procedure
(B) The total dose received over a lifetime
(C) The dose received in one year
(D) The dose from natural background radiation

15. What is the general public’s dose limit from natural background radiation?
(A) No limit
(B) 5 mSv
(C) 10 mSv
(D) 1 mSv

16. For a radiation worker, what is the dose limit for the hands and feet per year?
(A) 50 mSv
(B) 500 mSv
(C) 150 mSv
(D) 1,000 mSv

17. Which of the following is NOT a method to minimize radiation exposure?
(A) Increasing exposure time
(B) Distance
(C) Shielding
(D) Time

18. What is the term for the ratio of a person’s effective dose of radiation to the applicable dose limit?
(A) Dose efficiency
(B) Dose fraction
(C) Dose optimization
(D) Dose compliance

19. Which of the following is a primary consideration when establishing dose limits?
(A) The severity of radiation effects
(B) Cost of imaging equipment
(C) Patient age
(D) Hospital policies

20. What should be done if a worker’s exposure exceeds the established dose limit?
(A) Notify the patient
(B) Conduct a dose investigation
(C) Adjust their work schedule
(D) Increase their exposure limit

21. Which document outlines the recommendations for occupational exposure limits set by ICRP?
(A) ICRP Publication 60
(B) ICRP Publication 103
(C) ICRP Publication 75
(D) ICRP Publication 150

22. What does the term “radiation safety culture” refer to?
(A) The laws governing radiation exposure
(B) The amount of radiation produced by equipment
(C) The attitudes and behaviors of staff toward radiation safety
(D) The training programs for radiation workers

23. In the event of a radiation emergency, what is the recommended action for affected individuals?
(A) Ignore the situation
(B) Evacuate the area immediately
(C) Increase exposure to the radiation source
(D) Wait for instructions from authorities

24. What is the purpose of maintaining a dosimeter for radiation workers?
(A) To measure blood pressure
(B) To monitor radiation exposure
(C) To track work hours
(D) To assess patient comfort

25. What is the dose limit for interventional radiologists over a five-year period?
(A) 100 mSv
(B) 250 mSv
(C) 500 mSv
(D) 1,000 mSv

26. What regulatory body is responsible for ensuring the safe use of radioactive materials in research and medical settings?
(A) OSHA
(B) NRC
(C) EPA
(D) FDA

27. In terms of radiation exposure, what does the term “isoeffective dose” mean?
(A) The same dose of radiation for all individuals
(B) The maximum dose limit for any procedure
(C) The dose that produces the same biological effect as a different dose
(D) The average dose from natural sources

28. Which principle is used to determine the safe distance to maintain from a radiation source?
(A) Inverse Square Law
(B) ALARA
(C) Cumulative Dose Principle
(D) Maximum Permissible Dose

29. Which of the following practices helps to ensure compliance with radiation dose limits?
(A) Randomly selecting workers for dose measurements
(B) Regular training and education for staff
(C) Avoiding the use of personal protective equipment
(D) Focusing solely on equipment maintenance

30. What is the significance of maintaining accurate records of radiation exposure?
(A) To reduce equipment costs
(B) To track patient treatments
(C) To justify the purchase of new equipment
(D) To monitor compliance with regulations and protect workers

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