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Radiology 2

Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What is the bremsstrahlung radiation






2. What does alara stand for






3. when processing - two films overlap in the developer - but not in the fixer. How would the films appear






4. How are stabe film holders sterilized b/w uses






5. In which area of the tooth is interproximal caries often seen






6. How are x-rays formed in the tubehead






7. What is characteristic radiation






8. What is the term to describe the overall blackness of a radiograph






9. What info should be recorded on the dental radiographic mount

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10. What is the earliest sign of radiation exposure






11. How does film speed correlate with definition and detail?






12. when mounting a film the dot is convex - On What side of the mouth would you find #32?






13. when viewing a radiograph - the tooth looks normal in size and shape; However - there is a large blank space at the incisal edge and the apices are missing. What caused this error






14. What is the primary beam






15. When taking a radiograph - you pull the end of the PID away from the patients face about 6 inches. How will this affect the radiographic image and patient exposure






16. What is done to the primary beam to make is useful






17. desired thickness of lead apron






18. What is the base of dental film composed of?






19. Mand lateral/canine anatomy






20. What Size film is used to take an occlusal radiograph of a 6 yr old child






21. What is the purpose of filtration






22. When mounting dental radiographs - What is the best way to differentiate max and mand films?






23. What is the max. permissable fose for radiation workers in systeme interventional units






24. you notice that a radiograph taken several months ago is brown and spotted. What happened






25. What is the major diff. b/w particulate and electromagnetic radiation






26. What is the best method of protecting the thyroid gland from radiation?






27. you process four BW films. three of the films appear normal - but one is clear. What happened

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28. Max premolar anatomy






29. What type film is faster - intraoral or extraoral






30. What are the short term effects of radiation exposure






31. What can be done to prevent air bubbles from being trapped on the surface of films during manual processing






32. What would cause a film to be too dark






33. What causes teeth to appear very short and distorted






34. What is the purpose of collimation






35. What causes film fogging






36. What is the maximum size of the x-ray beam at the patients face






37. How often should an FMS be taken on an adult with no significant medical history






38. How far from the work surface must the safelight be mounted






39. On a mandibular molar PA - Where is the mylohoid ridge located






40. What is the proper patient position for BW's?






41. What 3 types of cells are most radiosensitive






42. What type of film are rare earth screens paired with






43. What factors would decrease edge sharpness and increase magnification






44. What are three types of image receptors used in digital radiography






45. What types of cells must be effected in order for mutation to occur






46. Max lat. canine anatomy






47. How would a film appear if submerged totally in the developer but not in the fixer






48. Size film used for BW on adults when only one film is taken on each side






49. Size film used for occlusals on adults






50. How does exposure time differ b/w adults and children







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