f f f f f
inciples And Techniques, 5th Editio
f f f f
n, Joen Iannucci, Laura Howerton
f f f f
A+
,Chapter 01: Radiation History
f f f
Iannucci: Dental Radiography, 5th Edition
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MULTIPLEfCHOICE
1. Radiationfisfdefinedfas
a. afformfoffenergyfcarriedfbyfwavesforfstreamsfoffparticles.
b. afbeamfoffenergyfthatfhasfthefpowerftofpenetratefsubstancesfandfrecordfim
agefshadowsfonfafreceptor.
c. afhigh-
energyfradiationfproducedfbyfthefcollisionfoffafbeamfoffelectronsfwithfafmetalfta
rgetfinfanfx-rayftube.
d. afbranchfoffmedicinefthatfdealsfwithfthefusefoffx-rays.
ANS:f A
Radiationfisfafformfoffenergyfcarriedfbyfwavesforfstreamsfoffparticles.fAnfx-
rayfisfafbeamfoffenergyfthatfhasfthefpowerftofpenetratefsubstancesfandfrecordfimagefshadowsfo
nfafreceptor.
X-radiationfisfafhigh-
energyfradiationfproducedfbyfthefcollisionfoffafbeamfoffelectronsfwithfafmetalftargetfinfanfx-
rayftube.fRadiologyfisfafbranchfoffmedicinefthatfdealsfwithfthefusefof
x-rays.
DIF: Recall REF:fffPagef2 OBJ:f 1
TOP:f CDA,fRHS,fIII.B.2.fDescribefthefcharacteristicsfoffx-radiation
MSC:fNBDHE,f2.0fObtainingfandfInterpretingfRadiographsf|fNBDHE,f2.1fPrinciplesfoffradiophysicsfandfra
diobiology
2. Afradiographfisfdefinedfas
a. afbeamfoffenergyfthatfhasfthefpowerftofpenetratefsubstancesfandfrecordfim
agefshadowsfonfafreceptor.
b. afpicturefonffilmfproducedfbyfthefpassagefoffx-raysfthroughfanfobjectforfbody.
c. thefartfandfsciencefoffmakingfradiographsfbyfthefexposurefoffanfimagefreceptorftof
x-rays.
d. afformfoffenergyfcarriedfbyfwavesforfafstreamfoffparticles.
ANS:f B
Anfx-
rayfisfafbeamfoffenergyfthatfhasfthefpowerftofpenetratefsubstancesfandfrecordfimagefshadowsf
onfafreceptor.fAfradiographfisfafpicturefonffilmfproducedfbyfthefpassagefoffx-
raysfthroughfanfobjectforfbody.fRadiographyfisfthefartfandfsciencefoffmakingfdentalfimagesfbyfth
efexposurefoffafreceptorftofx-
rays.fRadiationfisfafformfoffenergyfcarriedfbyfwavesforfstreamsfoffparticles.
, DIF: Comprehension REF:f Pagef2
OBJ:f 1fTOP:f CDA,fRHS,fIII.B.2.fDescribefthefcharacteristicsfoffx-
radiation
MSC:fNBDHE,f2.0fObtainingfandfInterpretingfRadiographsf|fNBDHE,f2.1fPrinciplesfoffradiophysicsfandfra
diobiology
3. Yourfpatientfaskedfyoufwhyfdentalfimagesfarefimportant.fWhichfofftheffollowingfisfthe
correctfresponse?
f
a. Anforalfexaminationfwithfdentalfimagesflimitsfthefpractitionerftofwhatfisfse
enfclinically.
b. Allfdentalfdiseasesfandfconditionsfproducefclinicalfsignsfandfsymptoms.
c. Dentalfimagesfarefnotfafnecessaryfcomponentfoffcomprehensivefpatientfcare.
d. Manyfdentalfdiseasesfareftypicallyfdiscoveredfonlyfthroughfthefusefoffde
ntalfimages.
ANS:f D
Anforalfexaminationfwithoutfdentalfimagesflimitsfthefpractitionerftofwhatfisfseenfclinically.fManyf
dentalfdiseasesfandfconditionsfproducefnofclinicalfsignsfandfsymptoms.fDentalfimagesfarefafnece
ssaryfcomponentfoffcomprehensivefpatientfcare.fManyfdentalfdiseasesfareftypicallyfdiscoveredfo
nlyfthroughfthefusefoffdentalfimages.
DIF: Application REF:fffPagef2 OBJ:f 2
TOP:f CDA,fRHS,fIII.B.2.fDescribefthefcharacteristicsfoffx-radiation
MSC:f NBDHE,f2.0fObtainingfandfInterpretingfRadiographsf|fNBDHE,f2.5fGeneral
4. Thefx-rayfwasfdiscoveredfby
a. HeinrichfGeissler
b. WilhelmfRoentgen
c. JohannfHittorf
d. WilliamfCrookes
ANS:f B
HeinrichfGeisslerfbuiltftheffirstfvacuumftubefinf1838.f WilhelmfRoentgenfdiscoveredfthe
x-
rayfonfNovemberf8,f1895.f JohannfHittorffobservedfinf1870fthatfdischargesfemittedffromfthefneg
ativefelectrodefoffafvacuumftubeftraveledfinfstraightflines,fproducedfheat,fandfresultedfinfafgree
nishffluorescence.fWilliamfCrookesfdiscoveredfinftheflatef1870sfthatfcathodefraysfwerefstreamsf
offchargedfparticles.
DIF: Recall REF:fffPagef2 OBJ:f 4
TOP:f CDA,fRHS,fIII.B.2.fDescribefthefcharacteristicsfoffx-radiation
MSC:f NBDHE,f2.0fObtainingfandfInterpretingfRadiographsf|fNBDHE,f2.5fGeneral
, 5. WhofexposedftheffirstfdentalfradiographfinfthefUnitedfStatesfusingfaflivefperson?
a. OttofWalkoff
b. WilhelmfRoentgen
c. EdmundfKells
d. WestonfPrice
ANS:f C
OttofWalkofffwasfafGermanfdentistfwhofmadeftheffirstfdentalfradiograph.f WilhelmfRoentgenfw
asfafBavarianfphysicistfwhofdiscoveredfthefx-
ray.fEdmundfKellsfexposedftheffirstfdentalfradiographfinfthefUnitedfStatesfusingfaflivefperson.fPr
icefintroducedfthefbisectingftechniquefinf1904.
DIF: Recall REF:fffPagef4 OBJ:f 5
TOP:f CDA,fRHS,fIII.B.2.fDescribefthefcharacteristicsfoffx-radiation
MSC:f NBDHE,f2.0fObtainingfandfInterpretingfRadiographsf|fNBDHE,f2.5fGeneral
6. Currentffastfradiographicffilmfrequires
%flessfexposureftimefthanfthefinitialfe
xposureftimesfusedfinf1920.
a. 33
b. 98
c. 73
d. 2
ANS:f D
Currentffastfradiographicffilmfrequiresf98%flessfexposureftimefthanfthefinitialfexposureftimesfusedf
inf1920.
DIF: Comprehension REF:f Pagef5
OBJ:f 6fTOP:f CDA,fRHS,fIII.B.2.fDescribefthefcharacteristicsfoffx-
radiation
MSC:f NBDHE,f2.0fObtainingfandfInterpretingfRadiographsf|fNBDHE,f2.5fGeneral