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EssentialswofwDentalwRadiographyw9thwEditionwBywEvelynwThomson,OrlenwJohnsonw–
wTestwBank
Samplew Questions
TestwBank
Chapterw
w
1
MultiplewChoice
,1. WhowwaswawardedwthewfirstwNobelwPrizewforwphysicswinw1901,wforwhiswexperimentalwworkw
withwradiation?
2. W.wJ.wMorton
3. O.wWalkhoff
4. W.wD.wCoolidge
5. W.wC.wRoentgen
6. Whowiswcreditedwwithwintroducingwthewbitewingwradiograph?
7. F.wW.wMcCormack
8. H.wR.wRaper
9. G.wM.wFitzgerald
10. C.wE.wKells
11. Whowdevelopedwthewhotwcathodewraywtube?
12. W.wD.wCoolidge
13. W.wA.wPrice
14. H.wR.wRaper
15. W.wH.wRollins
16. Thewdevelopmentwofwradiationwprotectionwaswawsciencewiswcreditedwto:
17. A.wCieszyński.
18. W.wD.wCoolidge.
19. W.wH.wRollins.
20. F.wMouyen.
21. WhatwNewwOrleanswdentistwfirstwmadewpracticalwusewofwx-
rayswinwthewtreatmentwofwdentalwpatients?
22. H.wR.wRaper
23. G.wM.wFitzgerald
,24. F.wMouyen
25. C.wE.wKells
26. Earlywresearcherswworkingwinwthewfieldwofwradiographywwerewnotwawarewthatwcontinuedwexposur
ewtowx-rayswproducedwaccumulationswofwradiationweffectswinwthewbodywbecausewx-
rayswarewinvisible.
27. Bothwthewstatementwandwreasonwarewcorrectwandwrelated.
28. BothwthewstatementwandwreasonwarewcorrectwbutwNOTwrelated.
29. Thewstatementwiswcorrect,wbutwthewreasonwiswNOT.
30. ThewstatementwiswNOTwcorrect,wbutwthewreasonwiswcorrect.
31. NEITHERwthewstatementwNORwthewreasonwiswcorrect.
32. 7.wThewmostwsignificantwadvancementwinwthewearlywdayswofwradiographywcamewinw1913wwhenwW
.wD.wCoolidge:
33. becamewthewfirstwtowalertwthewprofessionwofwthewdangerswofwradiationwexposurewandwadvocated
wforwthewsciencewofwradiationwprotection.
34. exposedwawprototypewofwawdentalwradiograph,wsettingwthewstagewforwpreventiveworalwhealthwcare.
35. developedwawvariable,whighwkilovoltagewx-
raywmachinewcompatiblewwithwthewparallelingwtechnique.
36. introducedwanwx-raywtubewthatwallowedwforwanwx-
raywoutputwthatwcouldwbewpredeterminedwandwaccuratelywcontrolled.
37. Thewfirstwdentalwradiographwwaswproducedwusingwanwexposurewtimewof:
38. 0.5wsecond.
39. 1wminute.
40. 5wminutes.
41. 25wminutes.
42. 1whour.
43. Whatwcomponentwofwthewdentalwx-raywmachinewbestwlimitswthewsizewofwthewx-
raywbeamwtowthewapproximatewsizewofwthewimagewreceptor?
44. Awpointedwcone
, 45. Anwopenwroundwcylinder
46. AwrectangularwPID
47. Awslitwcollimator
48. Panoramicwradiologywbecamewpopularwinwthe:
49. 1930s.
50. 1940s.
51. 1950s.
52. 1960s.
53. 1970s.
54. WhichwofwthewfollowingwiswNOTwtruewregardingwconewbeamwvolumetricwimaging?
55. Itwimageswawsinglewselectedwplanewofwtissues.
56. Itwiswbasedwonwcomputedwtomography.
57. Itwuseswlesswradiationwthanwawpanoramicwradiograph.
58. Itwiswdesignedwspecificallywforwimagingwdentalwapplications.
59. Itwiswpurportedwtowbecomewthewgoldwstandardwforwimagingwcertainworalwconditions.
60. Earlywdentalwfilmwrequiredwlongwexposurewtimeswbecause:
61. itwwaswhand-wrapped.
62. thewemulsionwwaswonlywonwonewside.
63. glasswplateswwerewusedwaswthewbase.
64. thewpacketswwerewnotwmoisturewresistant.
65. EachwofwthewfollowingwiswanwadvantagewofwdigitalwimagingwEXCEPTwone.wWhichwonewisw
thewEXCEPTION?
66. Itwreduceswradiationwoverwfilm-basedwradiography.
67. Itweliminateswthewneedwforwthewdarkroomwandwprocessingwchemistry.