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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. 3 film holding devices used for bisecting






2. How does the reproductive capacity of a cell correlate with radiosensitivity






3. What PPE should be worn when exposing radiographs






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

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






6. Size film used for anterior PA's for patients with narrow arches






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






8. How is vertical angulation established with the bisecting technique






9. What size bulb is used in safelight






10. you use an exposure time of 10 impulses. How many seconds is this






11. What causes clear film






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






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






14. How does kVp affect patient exposure






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






16. How should the frequency of radiographic exposures be determined






17. What is the latent period






18. What is the purpose of the embossed dot

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






20. What happens in the developer






21. What is reticulation






22. Proper patient positioning for bisecting






23. Explain PSP






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






25. How long is the final rinse






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






27. What type of x-rays have greater penetrating power - long or short wavelength?






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






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






30. What 2 unites are used to measure absorption






31. What control factors effect contrast






32. What are automatic processors faster than manual processing?






33. What is the major use of cross sectional occlusal radiograph






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






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






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

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37. What anatomical structures appear radiopaque on a dental radiograph






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






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






40. What is the primary beam






41. How often should developing solutions be changed






42. What causes overlapping






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

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






45. What Size film is 2 1/4 x 3






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






47. 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






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






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






50. Max premolar anatomy







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