TEST BANK For Dental Radiography:
Principles and Techniques 6th Edition
by Joen Iannucci & Laura Jansen Howerton
Chapters 1 - 35 | Complete
,Chapter 01: Radiation History
V V V
Iannucci: Dental Radiography, 6th Edition
V V V V
MULTIPLEVCHOICE
1. RadiationVisVdefinedVas
a. aVformVofVenergyVcarriedVbyVwavesVorVstreamsVofVparticles.
b. aVbeamVofVenergyVthatVhasVtheVpowerVtoVpenetrateVsubstancesVandVrecordVima
geVshadowsVonVaVreceptor.
c. aVhigh-
energyVradiationVproducedVbyVtheVcollisionVofVaVbeamVofVelectronsVwithVaVmeta
lVtargetVinVanVx-rayVtube.
d. aVbranchVofVmedicineVthatVdealsVwithVtheVuseVofVx-rays.
ANSWER:V A
RadiationVisVaVformVofVenergyVcarriedVbyVwavesVorVstreamsVofVparticles.VAnVx-
rayVisVaVbeamVofVenergyVthatVhasVtheVpowerVtoVpenetrateVsubstancesVandVrecordVimageVshado
wsVonVaVreceptor.
X-radiationVisVaVhigh-
energyVradiationVproducedVbyVtheVcollisionVofVaVbeamVofVelectronsVwithVaVmetalVtargetVinVanVx
-rayVtube.VRadiologyVisVaVbranchVofVmedicineVthatVdealsVwithVtheVuseVof
x-rays.
DIF: Recall REF:VVVPageV2 OBJ:V 1
TOP:V CDA,VRHS,VIII.B.2.VDescribeVtheVcharacteristicsVofVx-radiation
MSC:V NBDHE,V2.0VObtainingVandVInterpretingVRadiographsV|VNBDHE,V2.1VPrinciplesVofVradiophysicsV
andVradiobiology
2. AVradiographVisVdefinedVas
a. aVbeamVofVenergyVthatVhasVtheVpowerVtoVpenetrateVsubstancesVandVrecordVima
geVshadowsVonVaVreceptor.
b. aVpictureVonVfilmVproducedVbyVtheVpassageVofVx-raysVthroughVanVobjectVorVbody.
c. theVartVandVscienceVofVmakingVradiographsVbyVtheVexposureVofVanVimageVreceptorV
toVx-rays.
d. aVformVofVenergyVcarriedVbyVwavesVorVaVstreamVofVparticles.
ANSWER:V B
AnVx-
rayVisVaVbeamVofVenergyVthatVhasVtheVpowerVtoVpenetrateVsubstancesVandVrecordVimageVshado
wsVonVaVreceptor.V AVradiographVisVaVpictureVonVfilmVproducedVbyVtheVpassageVofVx-
raysVthroughVanVobjectVorVbody.VRadiographyVisVtheVartVandVscienceVofVmakingVdentalVimages
VbyVtheVexposureVofVaVreceptorVtoVx-
rays.V RadiationVisVaVformVofVenergyVcarriedVbyVwavesVorVstreamsVofVparticles.
DIF: Comprehension REF:VVVPageV2
OBJ:V1VTOP:V CDA,VRHS,VIII.B.2.VDescribeVtheVcharacteristicsVofV
x-radiation
MSC:V NBDHE,V2.0VObtainingVandVInterpretingVRadiographsV|VNBDHE,V2.1VPrinciplesVofVradiophysicsV
andVradiobiology
3. YourVpatientVaskedVyouVwhyVdentalVimagesVareVimportant.VWhichVofVtheVfollowingVisVt
heVcorrectVresponse?
a. AnVoralVexaminationVwithVdentalVimagesVlimitsVtheVpractitionerVtoVwhatVisVse
enVclinically.
b. AllVdentalVdiseasesVandVconditionsVproduceVclinicalVsignsVandVsymptoms.
, c. DentalVimagesVareVnotVaVnecessaryVcomponentVofVcomprehensiveVpatientVcare.
d. ManyVdentalVdiseasesVareVtypicallyVdiscoveredVonlyVthroughVtheVuseVofVdent
alVimages.
ANSWER:V D
AnVoralVexaminationVwithoutVdentalVimagesVlimitsVtheVpractitionerVtoVwhatVisVseenVclinically.V
ManyVdentalVdiseasesVandVconditionsVproduceVnoVclinicalVsignsVandVsymptoms.VDentalVimagesV
areVaVnecessaryVcomponentVofVcomprehensiveVpatientVcare.VManyVdentalVdiseasesVareVtypicallyV
discoveredVonlyVthroughVtheVuseVofVdentalVimages.
DIF: Application REF:VVVPageV2 OBJ:V 2
TOP:V CDA,VRHS,VIII.B.2.VDescribeVtheVcharacteristicsVofVx-radiation
MSC:V NBDHE,V2.0VObtainingVandVInterpretingVRadiographsV|VNBDHE,V2.5VGeneral
4. TheVx-rayVwasVdiscoveredVby
a. HeinrichVGeissler
b. WilhelmVRoentgen
c. JohannVHittorf
d. WilliamVCrookes
ANSWER:V B
HeinrichVGeisslerVbuiltVtheVfirstVvacuumVtubeVinV1838.V WilhelmVRoentgenVdiscoveredVthe
x-
rayVonVNovemberV8,V1895.VJohannVHittorfVobservedVinV1870VthatVdischargesVemittedVfromVth
eVnegativeVelectrodeVofVaVvacuumVtubeVtraveledVinVstraightVlines,VproducedVheat,VandVresultedV
inVaVgreenishVfluorescence.VWilliamVCrookesVdiscoveredVinVtheVlateV1870sVthatVcathodeVraysV
wereVstreamsVofVchargedVparticles.
DIF: Recall REF:VVVPageV2 OBJ:V 4
TOP:V CDA,VRHS,VIII.B.2.VDescribeVtheVcharacteristicsVofVx-radiation
MSC:V NBDHE,V2.0VObtainingVandVInterpretingVRadiographsV|VNBDHE,V2.5VGeneral
5. WhoVexposedVtheVfirstVdentalVradiographVinVtheVUnitedVStatesVusingVaVliveVperson?
a. OttoVWalkoff
b. WilhelmVRoentgen
c. EdmundVKells
d. WestonVPrice
ANSWER:V C
OttoVWalkoffVwasVaVGermanVdentistVwhoVmadeVtheVfirstVdentalVradiograph.VWilhelmVRoentge
nVwasVaVBavarianVphysicistVwhoVdiscoveredVtheVx-
ray.V EdmundVKellsVexposedVtheVfirstVdentalVradiographVinVtheVUnitedVStatesVusingVaVliveVperso
n.VVVPriceVintroducedVtheVbisectingVtechniqueVinV1904.
DIF: Recall REF:VVVPageV4 OBJ:V 5
TOP:V CDA,VRHS,VIII.B.2.VDescribeVtheVcharacteristicsVofVx-radiation
MSC:V NBDHE,V2.0VObtainingVandVInterpretingVRadiographsV|VNBDHE,V2.5VGeneral
6. CurrentVfastVradiographicVfilmVrequires
%VlessVexposureVtimeVthanVtheVinitialVexposureVtimesVusedVinV1920.
a. 33
b. 98
c. 73
, d. 2
ANSWER:V D
CurrentVfastVradiographicVfilmVrequiresV98%VlessVexposureVtimeVthanVtheVinitialVexposureVtim
esVusedVinV1920.
DIF: Comprehension REF:VVVPageV5
OBJ:V6VTOP:V CDA,VRHS,VIII.B.2.VDescribeVtheVcharacteristicsVofV
x-radiation
MSC:V NBDHE,V2.0VObtainingVandVInterpretingVRadiographsV|VNBDHE,V2.5VGeneral
7. WhoVmodifiedVtheVparallelingVtechniqueVwithVtheVintroductionVofVtheVlong-coneVtechnique?
a. C.VEdmundVKells
b. FranklinVW.VMcCormack
c. F.VGordonVFitzgerald
d. HowardVRileyVRaper
ANSWER:V C
C.VEdmundVKellsVintroducedVtheVparallelingVtechniqueVinV1896.VFranklinVW.VMcCormackVre
introducedVtheVparallelingVtechniqueVinV1920.VF.VGordonVFitzgeraldVmodifiedVtheVparallelingV
techniqueVwithVtheVintroductionVofVtheVlong-
coneVtechnique.VThisVisVtheVtechniqueVcurrentlyVused.VHowardVRileyVRaperVmodifiedVtheVbis
ectingVtechniqueVandVintroducedVtheVbite-wingVtechniqueVinV1925.
DIF: Recall REF:VVVPageV4 OBJ:V 7
TOP:V CDA,VRHS,VIII.B.2.VDescribeVtheVcharacteristicsVofVx-radiation
MSC:V NBDHE,V2.0VObtainingVandVInterpretingVRadiographsV|VNBDHE,V2.5VGeneral
8. WhichVofVtheVfollowingVisVanVadvantageVofVdigitalVimaging?
a. IncreasedVpatientVradiationVexposure
b. IncreasedVpatientVcomfort
c. IncreasedVspeedVforVviewingVimages
d. IncreasedVchemicalVusage
ANSWER:V C
PatientVexposureVisVreducedVwithVdigitalVimaging.VDigitalVsensorsVareVmoreVsensitiveVtoVx-
raysVthanVfilm.VDigitalVsensorsVareVrigidVandVbulky,VcausingVdecreasedVpatientVcomfort.VTheVi
mageVfromVdigitalVsensorsVisVuploadedVdirectlyVtoVtheVcomputerVandVmonitorVwithoutVtheVneed
VforVchemicalVprocessing. VThisVallowsVforVimmediateVinterpretationVandVevaluation.VTheVimag
eVfromVdigitalVsensorsVisVuploadedVdirectlyVtoVtheVcomputerVandVmonitorVwithoutVtheVneedVforV
chemicalVprocessing.
DIF: Comprehension REF:VVVPageV6
OBJ:V7VTOP:V CDA,VRHS,VI.B.2.VDemonstrateVbasicVknowledgeVofVdi
gitalVradiography
MSC:V NBDHE,V2.0VObtainingVandVInterpretingVRadiographsV|VNBDHE,V2.5VGeneral
9. WhichVdiscoveryVwasVtheVprecursorVtoVtheVdiscoveryVofVx-rays?
a. BetaVparticles
b. AlphaVparticles
c. CathodeVrays
d. RadioactiveVmaterials
ANSWER:V C
