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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 type film is faster - intraoral or extraoral






2. What Size film is 1 1/16 x 2 1/8






3. What is the name for the part of the target that is struck by electrons






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






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






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






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






8. What type of film are calcium tungstate screens paired with






9. when duplicating radiographs - What side of the duplicating film is in contact with the radiograph to be duplicated






10. You process a set of BW's in the automatic processor. three of the BW's are of good quality - but fourth is completely blank. What probably caused this?






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






12. when taking a PANO radiograph - the patient is placed too far into the machine. How will the radiograph appear






13. What should be done prior to ordering radiographs for a patient






14. What anatomical structures appear radiolucent on a dental radiograph






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






16. What can be done to minimize gagging when taking radiographs






17. Your dentist asks you to take a FMS on a 65 yr old edentulous patient. How many exposures will you take? which exposures are not necessary? What intraoral technique will you use? What might be better than a FMS?






18. What equation is used to calculate the accumulated MPD






19. When viewing a periapical radiograph - you notice that the image of the tooth is extremely long and well defined; However the apices are missing. What technique was used to take the radiograph? What caused the roots to appear long?






20. What is the x-ray at the center of the primary beam called






21. What Size film is used to take a BW on a 3 yr. old






22. 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?






23. desired thickness of lead apron






24. an insurance company requests a patient's radiographs when examining a dental clain. you only have one copy of the radiographs. What should you do






25. What is added filtration






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






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






28. which anatomic feature is visible on a PANO - bu not on a PA






29. What is the source-skin distance of x-ray machine that operates at 75 kVp






30. What is the latent period






31. which projection is used to view sinuses






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






33. What would cause the radiographic image to be blurred






34. How should the frequency of radiographic exposures be determined






35. What is a large dose of radiation given over a short period of time






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






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






38. With What type film are intensifying screens used?






39. What is the purpose of a pano






40. What looking at a PANO What causes a big smile






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






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






43. total filtration required of x-ray machines that operate above 70 kVp






44. What is the emulsion composed of?






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






46. What is inherent filtration






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

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48. What PPE should be worn when exposing radiographs






49. How often must you replenish the solutions in an automatic processor






50. What radiographs are used to locate a salivary stone in the submandibular duct







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