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Essentialsnof nDentalnRadiographyn9thnEditionnBynEvelynnThomson,OrlennJohnsonn–
nTestnBank
Samplen Questions
TestnBank
n Chaptern
1
Multiplen Choice
,1. WhonwasnawardednthenfirstnNobelnPrizenfornphysicsninn1901,nfornhisnexperimentalnworknwith
n radiation?
2. W.nJ.nMorton
3. O.nWalkhoff
4. W.nD.nCoolidge
5. W.nC.nRoentgen
6. Whonisncreditednwithnintroducingnthe nbitewingnradiograph?
7. F.nW.nMcCormack
8. H.nR.nRaper
9. G.nM.nFitzgerald
10. C.nE.nKells
11. Whondevelopednthe nhotncathode nrayntube?
12. W.nD.nCoolidge
13. W.nA.nPrice
14. H.nR.nRaper
15. W.nH.nRollins
16. The ndevelopmentnofnradiationnprotectionnasnanscience nisncreditednto:
17. A.nCieszyński.
18. W.nD.nCoolidge.
19. W.nH.nRollins.
20. F.nMouyen.
21. WhatnNewnOrleansndentistnfirstnmadenpracticalnusenofnx-raysninnthentreatmentnof ndentalnpatients?
22. H.nR.nRaper
23. G.nM.nFitzgerald
,24. F.nMouyen
25. C.nE.nKells
26. Earlynresearchersnworkingninnthenfieldnofnradiographynwerennotnaware nthatncontinuednexposurento
n x-raysn produced n accumulations n of n radiation n effects n inn the n body n becausen x-raysn are n invisible.
27. Bothnthe nstatementnandnreasonnare ncorrectnandnrelated.
28. Bothnthe nstatementnandnreasonnare ncorrectnbutnNOTnrelated.
29. The nstatementnisncorrect,nbutnthe nreasonnisnNOT.
30. The nstatementnisnNOTncorrect,nbutnthe nreasonnisncorrect.
31. NEITHERnthe nstatementnNORnthe nreasonnisncorrect.
32. 7.nThe nmostnsignificantnadvancementninnthenearlyndaysnofnradiographyncameninn1913nwhennW.nD.
n Coolidge:
33. became nthenfirstntonalertnthenprofessionnofnthendangersnof nradiationnexposure nandnadvocatednfor
n the n science n of n radiation n protection.
34. exposednanprototype nof nandentalnradiograph,nsettingnthe nstage nfornpreventive noralnhealthncare.
35. developednanvariable,nhighnkilovoltage nx-raynmachine ncompatible nwithnthe nparallelingntechnique.
36. introducednannx-rayntube nthatnallowednfornannx-
raynoutputnthatncouldnbe npredeterminednandnaccuratelyncontrolled.
37. The nfirstndentalnradiographnwasnproducednusingnannexposure ntime nof:
38. 0.5nsecond.
39. 1nminute.
40. 5nminutes.
41. 25nminutes.
42. 1nhour.
43. Whatncomponentnof nthe ndentalnx-raynmachine nbestnlimitsnthe nsize nof nthe nx-
raynbeamntonthe napproximate nsize nof nthe nimage nreceptor?
44. Anpointedncone
, 45. Annopennroundncylinder
46. AnrectangularnPID
47. Anslitncollimator
48. Panoramicnradiologynbecame npopularninnthe:
49. 1930s.
50. 1940s.
51. 1950s.
52. 1960s.
53. 1970s.
54. Whichnofnthe nfollowingnisnNOTntrue nregardingncone nbeamnvolumetricnimaging?
55. Itnimagesnansingle nselectednplane nofntissues.
56. Itnisnbasednonncomputedntomography.
57. Itnusesnlessnradiationnthannanpanoramicnradiograph.
58. Itnisndesignednspecificallynfornimagingndentalnapplications.
59. Itnisnpurportedntonbecome nthe ngoldnstandardnfornimagingncertainnoralnconditions.
60. Earlyndentalnfilmnrequirednlongnexposure ntimesnbecause:
61. itnwasnhand-wrapped.
62. the nemulsionnwasnonlynonnone nside.
63. glassnplatesnwere nusednasnthe nbase.
64. the npacketsnwere nnotnmoisture nresistant.
65. Eachnof nthenfollowingnisnannadvantagenofndigitalnimagingnEXCEPTnone.nWhichnonenisnthe
n EXCEPTION?
66. Itnreducesnradiationnovernfilm-basednradiography.
67. Itneliminatesnthe nneednfornthe ndarkroomnandnprocessingnchemistry.