Tiêu đề BVOTT 2003 Set C.pdf ✅

www.gdgoenkahealthcare.com 17. What is the purpose of using a survey meter in radiation protection? a) To measure individual exposure b) To assess radiation levels in an area c) To provide radiation therapy d) To monitor patient doses 18. Which of the following is a disadvantage of using GM counters? a) They are sensitive to low doses b) They cannot measure high radiation levels accurately c) They are inexpensive d) They are portable 19. What is the significance of the calibration curve in film badge processing? a) To measure temperature b) To determine the optical density c) To evaluate radiation exposure d) To enhance film quality 20. Which of the following is a method to ensure the safety of radiation workers? a) Avoiding training b) Using personal protective equipment c) Increasing exposure time d) Ignoring dose limits 21. What is the purpose of using organ shields in radiology? a) To enhance image quality b) To protect specific organs from radiation c) To improve patient comfort d) To increase the effectiveness of imaging 22. Which of the following is a characteristic of neutron radiation? a) It is positively charged b) It has no charge c) It is easily stopped by paper d) It is a type of electromagnetic radiation 23. What is the main advantage of using digital dosimeters? a) They are less expensive b) They provide real-time readings c) They are larger d) They require more processing 24. What is the purpose of using a lead-lined viewing window? a) To enhance visibility b) To protect against radiation exposure c) To improve image quality d) To monitor patient doses 25. Which of the following is a common application of radiation in medicine? a) Industrial radiography b) Radiation therapy for cancer c) Nuclear power generation d) Environmental monitoring 26. What is the primary function of a radiation safety officer (RSO)? a) To conduct medical imaging b) To ensure compliance with radiation safety regulations c) To provide radiation therapy