X-RAY SAFETY TEST. Circle the best answer or fill in the blank

Transcription

1 X-RAY SAFETY TEST Circle the best answer or fill in the blank 1. Personnel within a radius of an operating fluoroscope are required to wear a lead apron. 2. You are required by State regulations to keep your occupational radiation exposure as low as reasonably achievable. 3. People may be exposed to x-ray radiation for demonstration or training purposes as long as a physician has authorized it. 4. The proper placement of your dosimeter is at the collar on the outside of the protective lead apron and thyroid shield. 5. The x-ray beam emanates from the image intensifier.

2 6. If a radiation worker becomes pregnant, the worker is encouraged to notify the Illinois Division of Nuclear Safety. 7. Leaded glasses, gloves, and mobile or table mounted shielding can provide an added measure of protection to personnel from exposure from radiation during x-ray procedures. 8. The purpose of a wearing radiation dosimeter is to measure radiation exposure. 9. You should routinely hold patients during x-ray procedures to get a clear picture. 10. Handling of aprons is not important because lead is dense but pliable and therefore won t break or crack. 11. In accordance with established State regulations, any person may operate fluoroscopic equipment under the direct supervision and permission from a licensed practitioner. 12. Regulations allow a maximum permissible occupational radiation exposure to the whole body of rem per year.

3 13. Patients undergoing an x-ray procedure that may involve radiation exposure to must be provided with shielding, when appropriate. 14. Every employee has the responsibility to report to the Radiation Safety Officer (RSO) any radiation safety concerns or unsafe acts involving x-ray machines. 15. It is acceptable for an individual to share a radiation dosimeter as long as both individuals are working together during an x-ray procedure. 16.A good way to keep your exposure ALARA is to decrease your time spent near an x-ray beam; increase your distance from the beam, and apply shielding by wearing a lead apron, thyroid shield, etc. 17. The amount of shielding provided by a.25 mm lead apron for an x-ray beam at 75 kvp is about 95%. 18. Scatter radiation mainly travels in one direction and thus by standing left or right of the table you can be assured of reducing your radiation exposure.

4 19. The average background radiation received by a person is about 360 mrem per day. 20. During fluoroscopic procedures scatter radiation is produced when x-ray radiation interacts with the patient and/or table. 21. Dosimeter badges should be stored as close to the x-ray machine as possible so they are easily accessible. 22. The Radiation Safety Officers at SIU-SOM are and. 23. If you become pregnant you must tell all your coworkers immediately so they can do x-ray procedures for you. 24. Most damage to body cells comes from a dose exposure in a period of time. 25. ALARA stands for As Long As Reliably Accurate.

5 26. Operators and assistants of x-ray equipment should work as slowly as possible when next to the beam so as not to affect the x-ray. 27. If you take four steps back from the beam you have decreased your exposure by. 28. Dosimeter badges are collected every three months. 29. Operators and assistants of x-ray equipment should be most concerned about exposure from the radiation that stays in the primary beam. 30. If no lead apron is available you can stand behind a coworker that has an apron on to shield yourself. 31. A thyroid shield should be worn by anyone within a/an foot radius of the patient during fluoroscopy. 32. There should be no more than a one inch gap from the apron to the thyroid shield.

6 33. A lead apron covers to percent of a person s active bone marrow. 34. The amount of attenuation provided by a lead apron depends on its,,, and the. 35. During fluoroscopy, the image intensifier should be kept as close as possible to the patient. 36. If an emergency occurs the first thing you should do is turn off the x-ray equipment. 37. Table radiation shielding should never be used because it can interfere with the x-ray. 38. An SL on a dosimeter report stands for slight or minimal. 39. Most of your natural radiation exposure comes from. 40. If an operator violates state regulations the IDNS can apply sanctions on the operator and the institution.

7 You have completed the test. A score of 80% is required for successful completion. Print Name Department Signature Please return test to Rob Deters 801 building Room 1038 Campus mail code 9612 or P.O. Box Springfield, IL 62794