Test your basic knowledge |

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 x-ray at the center of the primary beam called






2. In the darkroom - you unwrap a film and place a coin on top of the film for several minutes. when you process the film - you notice a slight - well-defined white circle on the film. What does this mean?






3. What type PID significantly reduces exposure to the patient






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






5. What NC agency is resposible for monitoring dental x-ray equipment






6. When using D speed film - you use 50 impulses of radiation. How many impulses would you use with E speed film?






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






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






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






10. What periapical technique offers the best diagnostic quality?






11. What is the purpose of the embossed dot

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12. What size and How is the film places when taking a molar PA in the mixed dentition

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13. How should the frequency of radiographic exposures be determined






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






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






16. What is the earliest sign of radiation exposure






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






18. What are occlusal radiographs used to diagnose






19. What causes missing apices






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






21. Max lat. canine anatomy






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






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






24. What anatomical structures appear radiolucent on a dental radiograph






25. What is the major use of topographical occlusal radiographs






26. What is the annual MPD for pregnant dental assistant






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






28. How are indirect exposure films exposed






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






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






31. What is the primary beam






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






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






34. What happens in the developer






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

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36. What anatomical structures appear radiopaque on a dental radiograph






37. How is vertical angulation established with the paralleling technique






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






39. How often should developing solutions be changed






40. What would cause increased magnification - decreased resolution and edge sharpness






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






42. What is formed when high speed electrons strike the target






43. What is the bremsstrahlung radiation






44. Size film used for PA's on adults






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






46. What device is used to check quality of processing chemicals






47. Size film used for PA's on small children






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






49. Max molar anatomy






50. What is the purpose of taking radiographs of an edentulous patient