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 scatter radiation






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






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






4. On a mandibular molar PA - Where is the mylohoid ridge located






5. after processing exposed dental film - you notice dark spots on the film. What caused this






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






7. Proper patient positioning for bisecting






8. Max premolar anatomy






9. What would cause a film to be too dark






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






11. How often should an FMS be taken on an adult with no significant medical history






12. What equation is used to calculate the accumulated MPD






13. What is the best method of protecting the thyroid gland from radiation?






14. What is the purpose of filtration






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






16. What 3 types of cells are most radiosensitive






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






18. What must a patient remove before taking a PANO






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






20. How often should developing solutions be changed






21. When can the films be exposed to white light






22. According to principles of shadow casting - How should the central beam be directed






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






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






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






26. What causes missing crowns






27. How should x-ray film be stored






28. which anatomical structures appear radiopaque






29. Size film used for BW on adults when only one film is taken on each side






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






31. How does radiation effect cells






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






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






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






35. How long does the first rinse last






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






37. How does kVp affect patient exposure






38. What is the most likely cause of a film with very poor definition






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






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






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






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






43. What parts of the x-ray machine are included in the anode circuit






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

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


45. 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?






46. With What type film are intensifying screens used?






47. What must be done to xray fixer priod to disposal






48. What is the purpose of collimation






49. How can you differentiate the zygoma from the max sinus in a max posterior PA






50. Max molar anatomy