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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 the most likely cause of a film with very poor definition






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






3. The cells from most sensitive to least sensitive






4. How long does film stay in the developer






5. Explain PSP






6. When can the films be exposed to white light






7. What causes clear film






8. What causes overlapping






9. What looking at a PANO What causes a big smile






10. when viewing a duplicated radiograph - you notice that the duplicate is too dark. What should you do to duplicating time to lighten the film






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






12. if the kVp is increased from 75-90 - What must be done to achieve a radiograph of comparible density






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






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






15. What periapical technique offers the best diagnostic quality?






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






17. How should x-ray film be stored






18. How do you determine How often to take radiographs






19. How can exposure to the operator be reduced






20. What causes a HERRINGBONE effect






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






22. What is reticulation






23. How often should developing solutions be changed






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






25. What is the purpose of the lead foil?






26. 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






27. when taking a radiograph - you pulls the cone out about 6 inches from the patient's face. What is the result






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






29. What is the latent image






30. What are filters made out of...






31. What controls the speed with which the electrons travel from the cathode to the anode






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






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






34. What size bulb is used in safelight






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






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






37. What is the main source of radiation exposure to the operator






38. How does radiation effect cells






39. You process a set of BW's in the automatic processor. three of the BW's are of good quality - but fourth is completely blank. What probably caused this?






40. What are the long term effects of radiation exposure






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






42. How are x-rays formed in the tubehead






43. Proper patient positiong for paralleling

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44. total filtration required of x-ray machines that operate above 70 kVp






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






46. How is vertical angulation established with the bisecting technique






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






48. According to the principles of shadow casting - preferred object-film distance






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






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







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