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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 film would be used to locate a foreign body in the bucco-lingual relationship






2. What 2 unites are used to measure biologic effect and dose equivalent






3. Mand lateral/canine anatomy






4. What would cause a properly exposed film to appear dark?






5. What part of the x-ray machine is responsible for providing the electrons






6. According to principles of shadow casting - preferred source-object distance






7. you notice that the xrays you process are becoming successively lighter than the quality control film you compare it to. What should you do






8. What is the ADA approved method of mounting dental radiographs






9. How long does film stay in the developer






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






11. What must a patient remove before taking a PANO






12. Difference b/w direct and indirect exposure sensor?






13. You notice on a PANO that the ant. teeth appear narrow and out of focus. What caused this






14. when viewing a molar BW - What should be on the distal of the film






15. Proper patient positiong for paralleling

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16. How does packet placement differ b/w bisecting and paralleling






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






18. What is the best way to reduce exposure to patient






19. According to the principles of shadow casting - preferred object-film distance






20. How often should developing solutions be changed






21. How long is the final rinse






22. when viewing a PANO - you notice that a lot of spine sHows on both side of the film - What caused this






23. What type lead apron should be used when taking PANO radiographs






24. What part of the x-ray machine helps remove heat






25. What equation is used to calculate the accumulated MPD






26. What are common sources of background radiation






27. What radiograph is used to sHow contrast in soft tissues






28. What is the purpose of a pano






29. What Size film is 1 1/4 x 1 5/8






30. Mand premolar anatomy






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






32. you change from an 8 inch to an 16 inch focal film distance. How is the intensity of the beam affected






33. How far should the operator stand from the source of radiation






34. What quality control procedures should be performed on xray cassettes






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






36. What is the purpose of the lead foil?






37. A properly exposed film appears completely black. when was is exposed to white light






38. What exposure would be useful in identifying salivary stones in the submandibular gland






39. When can the films be exposed to white light






40. What causes film fogging






41. What is the primary beam






42. What looking at manually processed films - you notice small black spots on the films. What caused those spots?






43. 1/10th dosage of gen. public - What are photons






44. What is the bremsstrahlung radiation






45. What film is used to diagnose interproximal decay






46. What causes a HERRINGBONE effect






47. What is the annual MPD for radiation workers






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






49. When mounting a FMS - you notice that one film is blank. another film is dark - the teeth look strange - and it is difficult to determine What film it is. What do you think happened?






50. What would happen to a film that is placed in the fixer prior to development