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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. Size film used for PA's on adults






2. What type of safelight filter is acceptable






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






4. Explain PSP






5. How does resolutiong and detial of a panoramic radiograph compare with that of PA's and BW's






6. Mand molar anatomy






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






8. What is the best method of reducing radiation to the patient






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






10. What determines the speed of dental films?






11. your dentist recommends that a patient have xrays taken - bu the patient refuses. What should be done

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12. What causes clear film






13. which dose of radiation is more biologically damaging






14. What is the bremsstrahlung radiation






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






16. Mand premolar anatomy






17. What is small doses of radiation given over a long period of time






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






19. List the properties of x-rays






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






21. What is penumbra






22. when should radiographs be taken on a pregnant patient






23. What are common sources of background radiation






24. What projection would you take for a patient complaining of pain in the lower left molar area






25. What is the purpose of the embossed dot

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26. 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?






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






28. How does reducing exposure to the patient benefit the operator






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






30. What is the purpose of replenishing the developer solution






31. How should the frequency of radiographic exposures be determined






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






33. What can be done to increase the life span of processing solutions






34. which projection is used to view sinuses






35. What Size film is 7/8 x 1 3/8






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

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37. when manually processing dental film - you notice the temp. has gotten warmer as the day progressed. How should the developing time be changed?






38. Film submerged totally in fixer but not in developer






39. Max molar anatomy






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






41. What would cause the radiographic image to be blurred






42. if the source-object distance is cut from 16 to 8 - What must be changed to compensate






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






44. What are filters made out of...






45. What periapical technique offers the best diagnostic quality?






46. How is vertical angulation established with the paralleling technique






47. What equation is used to calculate the accumulated MPD






48. What would cause a film to be too dark






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






50. When looking at radiographs that were taken several years ago - you notice a brownish stain which makes interpretation difficult. What caused this?







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