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Chapter 01: radiation History
MULTIPLE CHOICE
1. RadiationHisHdefinedHas
a. aHformHofHenergyHcarriedHbyHwavesHorHstreamsHofHparticles.
b. aHbeamHofHenergyHthatHhasHtheHpowerHtoHpenetrateHsubstancesHandHrecordHimageHshado
wsHonHaHreceptor.
c. aHhigh-
energyHradiationHproducedHbyHtheHcollisionHofHaHbeamHofHelectronsHwithHaHmetalHtargetHinHanH
x-rayHtube.
d. aHbranchHofHmedicineHthatHdealsHwithHtheHuseHofHx-rays.
ANSWER-H A
RadiationHisHaHformHofHenergyHcarriedHbyHwavesHorHstreamsHofHparticles.HAnHx-
rayHisHaHbeamHofHenergyHthatHhasHtheHpowerHtoHpenetrateHsubstancesHandHrecordHimageHshadowsH
onHaHreceptor.
X-radiationHisHaHhigh-
energyHradiationHproducedHbyHtheHcollisionHofHaHbeamHofHelectronsHwithHaHmetalHtargetHinHanHx-
rayHtube.HRadiologyHisHaHbranchHofHmedicineHthatHdealsHwithHtheHuseHof
x-rays.
DIF: RecallH REF:H PageH2H OBJ:H 1
TOP:HCDA,HRHS,HIII.B.2.HDescribeHtheHcharacteristicsHofHx-radiation
MSC:HNBDHE,H2.0HObtainingHandHInterpretingHRadiographsH|HNBDHE,H2.1HPrinciplesHofHradiop
hysicsHandHradiobiology
2. AHradiographHisHdefinedHas
,2H|HPH aH gH e
a. aHbeamHofHenergyHthatHhasHtheHpowerHtoHpenetrateHsubstancesHandHrecordHimageHshado
wsHonHaHreceptor.
b. aHpictureHonHfilmHproducedHbyHtheHpassageHofHx-raysHthroughHanHobjectHorHbody.
c. theHartHandHscienceHofHmakingHradiographsHbyHtheHexposureHofHanHimageHreceptorHtoHx-rays.
d. aHformHofHenergyHcarriedHbyHwavesHorHaHstreamHofHparticles.
ANSWER-H B
AnHx-
rayHisHaHbeamHofHenergyHthatHhasHtheHpowerHtoHpenetrateHsubstancesHandHrecordHimageHshadowsH
onHaHreceptor.HAHradiographHisHaHpictureHonHfilmHproducedHbyHtheHpassageHofHx-
raysHthroughHanHobjectHorHbody.HRadiographyHisHtheHartHandHscienceHofHmakingHdentalHimagesHby
HtheHexposureHofHaHreceptorHtoHx-
rays.HRadiationHisHaHformHofHenergyHcarriedHbyHwavesHorHstreamsHofHparticles.
DIF: Comprehension REF:HPageH2
OBJ:H1HTOP:HCDA,HRHS,HIII.B.2.HDescribeHtheHcharacteristicsHofHx-radiation
MSC:HNBDHE,H2.0HObtainingHandHInterpretingHRadiographsH|HNBDHE,H2.1HPrinciplesHofHradiop
hysicsHandHradiobiology
3. YourHpatientHaskedHyouHwhyHdentalHimagesHareHimportant.HWhichHofHtheHfollowingHisHt
heHcorrectHresponse?
a. AnHoralHexaminationHwithHdentalHimagesHlimitsHtheHpractitionerHtoHwhatHisHseenHclinically.
b. AllHdentalHdiseasesHandHconditionsHproduceHclinicalHsignsHandHsymptoms.
c. DentalHimagesHareHnotHaHnecessaryHcomponentHofHcomprehensiveHpatientHcare.
d. ManyHdentalHdiseasesHareHtypicallyHdiscoveredHonlyHthroughHtheHuseHofHdentalHimages.
ANSWER-H D
AnHoralHexaminationHwithoutHdentalHimagesHlimitsHtheHpractitionerHtoHwhatHisHseenHclinically.HM
anyHdentalHdiseasesHandHconditionsHproduceHnoHclinicalHsignsHandHsymptoms.HDentalHimagesHareH
aHnecessaryHcomponentHofHcomprehensiveHpatientHcare.HManyHdentalHdiseasesHareHtypicallyHdisc
overedHonlyHthroughHtheHuseHofHdentalHimages.
DIF: Application REF:H PageH2H OBJ:H 2
TOP:HCDA,HRHS,HIII.B.2.HDescribeHtheHcharacteristicsHofHx-radiation
MSC:HNBDHE,H2.0HObtainingHandHInterpretingHRadiographsH|HNBDHE,H2.5HGeneral
, 3H|HPH aH gH e
4. TheHx-rayHwasHdiscoveredHby
a. HeinrichHGeissler
b. WilhelmHRoentgen
c. JohannHHittorf
d. WilliamHCrookes
ANSWER-H B
HeinrichHGeisslerHbuiltHtheHfirstHvacuumHtubeHinH1838.H WilhelmHRoentgenHdiscoveredHthe
x-
rayHonHNovemberH8,H1895.HJohannHHittorfHobservedHinH1870HthatHdischargesHemittedHfromHtheHne
gativeHelectrodeHofHaHvacuumHtubeHtraveledHinHstraightHlines,HproducedHheat,HandHresultedHinHaHgr
eenishHfluorescence.HWilliamHCrookesHdiscoveredHinHtheHlateH1870sHthatHcathodeHraysHwereHstrea
msHofHchargedHparticles.
DIF: RecallH REF:H PageH2H OBJ:H 4
TOP:HCDA,HRHS,HIII.B.2.HDescribeHtheHcharacteristicsHofHx-radiation
MSC:HNBDHE,H2.0HObtainingHandHInterpretingHRadiographsH|HNBDHE,H2.5HGeneral
5. WhoHexposedHtheHfirstHdentalHradiographHinHtheHUnitedHStatesHusingHaHliveHperson?
a. OttoHWalkoff
b. WilhelmHRoentgen
c. EdmundHKells
d. WestonHPrice
ANSWER-H C
OttoHWalkoffHwasHaHGermanHdentistHwhoHmadeHtheHfirstHdentalHradiograph.HWilhelmHRoentgenH
wasHaHBavarianHphysicistHwhoHdiscoveredHtheHx-
ray.HEdmundHKellsHexposedHtheHfirstHdentalHradiographHinHtheHUnitedHStatesHusingHaHliveHperson.
HPriceHintroducedHtheHbisectingHtechniqueHinH1904.
DIF: RecallH REF:H PageH4H OBJ:H 5