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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 is added filtration






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






3. What parts of the x-ray machine are included in the cathode circuit






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






5. What is the annual MPD for pregnant dental assistant






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






7. What is used to clean the screens inside of a cassestte






8. Explain PSP






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






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






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






12. What is the term to describe the overall blackness of a radiograph






13. How should the frequency of radiographic exposures be determined






14. What is the primary beam






15. How do you differentiate b/w max and mand molar when mounting






16. How is vertical angulation established with the paralleling technique






17. What is the purpose of collimation






18. With What type film are intensifying screens used?






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






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






21. You take a radiograph using 10 mA 30 impulses and 90 kVp - your dentist wants a radiograph with increased contrast and equal density. What settings would you use?






22. How does exposure time for children compare to that of an adult






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






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






25. How much total filtration is required of x-ray machines that operate lower than 70 kVp






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






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






28. which anatomical structures appear radiolucent






29. What anatomical structures appear radiopaque on a dental radiograph






30. What Size film is 15/16 x 1 9/16






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






32. What would cause a film to be too dark






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






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






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






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






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






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






39. Film submerged totally in fixer but not in developer






40. which dose of radiation is more biologically damaging






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






42. Max. centrals anatomy






43. which projection is used to view sinuses






44. What causes teeth to appear very short and distorted






45. 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?






46. 3 film holding devices used for paralleling






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

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48. How can exposure to the operator be reduced






49. List the properties of x-rays






50. What is the bremsstrahlung radiation