Dental Radiography: Principles and
Techniques 6th Edition by Joen Iannucci
All Chapters 1-35, Complete
,ChapterY01:YRadiationYHistory
Iannucci:YDentalYRadiography,Y6thYEdition
MULTIPLEYCHOICE
1. RadiationYisYdefinedYas
a. aYformYofYenergyYcarriedYbyYwavesYorYstreamsYofYparticles.
b. aYbeamYofYenergyYthatYhasYtheYpowerYtoYpenetrateYsubstancesYandYrecordYi
mageYshadowsYonYaYreceptor.
c. aYhigh-
energyYradiationYproducedYbyYtheYcollisionYofYaYbeamYofYelectronsYwithYaYmeta
lYtargetYinYanYx-rayYtube.
d. aYbranchYofYmedicineYthatYdealsYwithYtheYuseYofYx-rays.
ANSWER:Y A
RadiationYisYaYformYofYenergyYcarriedYbyYwavesYorYstreamsYofYparticles.YAnYx-
rayYisYaYbeamYofYenergyYthatYhasYtheYpowerYtoYpenetrateYsubstancesYandYrecordYimageYshad
owsYonYaYreceptor.
X-radiationYisYaYhigh-
energyYradiationYproducedYbyYtheYcollisionYofYaYbeamYofYelectronsYwithYaYmetalYtargetYinYanYx
-rayYtube.YRadiologyYisYaYbranchYofYmedicineYthatYdealsYwithYtheYuseYof
x-rays.
DIF: Recall REF:YYYPageY2 OBJ:Y 1
TOP:Y CDA,YRHS,YIII.B.2.YDescribeYtheYcharacteristicsYofYx-radiation
MSC:Y NBDHE,Y2.0YObtainingYandYInterpretingYRadiographsY|YNBDHE,Y2.1YPrinciplesYofYradiophysicsYan
dYradiobiology
2. AYradiographYisYdefinedYas
a. aYbeamYofYenergyYthatYhasYtheYpowerYtoYpenetrateYsubstancesYandYrecordYi
mageYshadowsYonYaYreceptor.
b. aYpictureYonYfilmYproducedYbyYtheYpassageYofYx-raysYthroughYanYobjectYorYbody.
c. theYartYandYscienceYofYmakingYradiographsYbyYtheYexposureYofYanYimageYreceptor
YtoYx-rays.
d. aYformYofYenergyYcarriedYbyYwavesYorYaYstreamYofYparticles.
ANSWER:Y B
AnYx-
rayYisYaYbeamYofYenergyYthatYhasYtheYpowerYtoYpenetrateYsubstancesYandYrecordYimageYshad
owsYonYaYreceptor.Y AYradiographYisYaYpictureYonYfilmYproducedYbyYtheYpassageYofYx-
raysYthroughYanYobjectYorYbody.YRadiographyYisYtheYartYandYscienceYofYmakingYdentalYimages
YbyYtheYexposureYofYaYreceptorYtoYx-
rays.Y RadiationYisYaYformYofYenergyYcarriedYbyYwavesYorYstreamsYofYparticles.
DIF: Comprehension REF:YYYPageY2
OBJ:Y1YTOP:Y CDA,YRHS,YIII.B.2.YDescribeYtheYcharacteristicsYofYx-
radiation
MSC:Y NBDHE,Y2.0YObtainingYandYInterpretingYRadiographsY|YNBDHE,Y2.1YPrinciplesYofYradiophysicsYan
dYradiobiology
3. YourYpatientYaskedYyouYwhyYdentalYimagesYareYimportant.YWhichYofYtheYfollowingYisYth
eYcorrectYresponse?
,a. AnYoralYexaminationYwithYdentalYimagesYlimitsYtheYpractitionerYtoYwhatYisYse
enYclinically.
b. AllYdentalYdiseasesYandYconditionsYproduceYclinicalYsignsYandYsymptoms.
, c. DentalYimagesYareYnotYaYnecessaryYcomponentYofYcomprehensiveYpatientYcare.
d. ManyYdentalYdiseasesYareYtypicallyYdiscoveredYonlyYthroughYtheYuseYofYdent
alYimages.
ANSWER:Y D
AnYoralYexaminationYwithoutYdentalYimagesYlimitsYtheYpractitionerYtoYwhatYisYseenYclinically.YM
anyYdentalYdiseasesYandYconditionsYproduceYnoYclinicalYsignsYandYsymptoms.YDentalYimagesYa
reYaYnecessaryYcomponentYofYcomprehensiveYpatientYcare.YManyYdentalYdiseasesYareYtypically
YdiscoveredYonlyYthroughYtheYuseYofYdentalYimages.
DIF: Application REF:YYYPageY2 OBJ:Y 2
TOP:Y CDA,YRHS,YIII.B.2.YDescribeYtheYcharacteristicsYofYx-radiation
MSC:Y NBDHE,Y2.0YObtainingYandYInterpretingYRadiographsY|YNBDHE,Y2.5YGeneral
4. TheYx-rayYwasYdiscoveredYby
a. HeinrichYGeissler
b. WilhelmYRoentgen
c. JohannYHittorf
d. WilliamYCrookes
ANSWER:Y B
HeinrichYGeisslerYbuiltYtheYfirstYvacuumYtubeYinY1838.Y WilhelmYRoentgenYdiscoveredYthe
x-
rayYonYNovemberY8,Y1895.YJohannYHittorfYobservedYinY1870YthatYdischargesYemittedYfromYth
eYnegativeYelectrodeYofYaYvacuumYtubeYtraveledYinYstraightYlines,YproducedYheat,YandYresulte
dYinYaYgreenishYfluorescence.YWilliamYCrookesYdiscoveredYinYtheYlateY1870sYthatYcathodeYray
sYwereYstreamsYofYchargedYparticles.
DIF: Recall REF:YYYPageY2 OBJ:Y 4
TOP:Y CDA,YRHS,YIII.B.2.YDescribeYtheYcharacteristicsYofYx-radiation
MSC:Y NBDHE,Y2.0YObtainingYandYInterpretingYRadiographsY|YNBDHE,Y2.5YGeneral
5. WhoYexposedYtheYfirstYdentalYradiographYinYtheYUnitedYStatesYusingYaYliveYperson?
a. OttoYWalkoff
b. WilhelmYRoentgen
c. EdmundYKells
d. WestonYPrice
ANSWER:Y C
OttoYWalkoffYwasYaYGermanYdentistYwhoYmadeYtheYfirstYdentalYradiograph.YWilhelmYRoentgen
YwasYaYBavarianYphysicistYwhoYdiscoveredYtheYx-
ray.Y EdmundYKellsYexposedYtheYfirstYdentalYradiographYinYtheYUnitedYStatesYusingYaYliveYperso
n.YYYPriceYintroducedYtheYbisectingYtechniqueYinY1904.
DIF: Recall REF:YYYPageY4 OBJ:Y 5
TOP:Y CDA,YRHS,YIII.B.2.YDescribeYtheYcharacteristicsYofYx-radiation
MSC:Y NBDHE,Y2.0YObtainingYandYInterpretingYRadiographsY|YNBDHE,Y2.5YGeneral
6. CurrentYfastYradiographicYfilmYrequires
%YlessYexposureYtimeYthanYtheYinitialYexposureYtimesYusedYinY1920.
a. 33
b. 98
c. 73