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. avbeamvofvenergyvthatvhasvthevpowervtovpenetratevsubstancesvandvrecordvimagevs
hadowsvonvavreceptor.
c. avhigh-
energyvradiationvproducedvbyvthevcollisionvofvavbeamvofvelectronsvwithvavmetalvta
rgetvinvanvx-rayvtube.
d. avbranchvofvmedicinevthatvdealsvwithvthevusevofvx-rays.
ANSWER:v A
Radiationvisvavformvofvenergyvcarriedvbyvwavesvorvstreamsvofvparticles.vAnvx-
rayvisvavbeamvofvenergyvthatvhasvthevpowervtovpenetratevsubstancesvandvrecordvimagevshadowsvo
nvavreceptor.
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,v2.1vPrinciplesvofvradiophysicsvan
dvradiobiology
2. Avradiographvisvdefinedvas
a. avbeamvofvenergyvthatvhasvthevpowervtovpenetratevsubstancesvandvrecordvimagevs
hadowsvonvavreceptor.
b. avpicturevonvfilmvproducedvbyvthevpassagevofvx-raysvthroughvanvobjectvorvbody.
c. thevartvandvsciencevofvmakingvradiographsvbyvthevexposurevofvanvimagevreceptorvtovx
-rays.
d. avformvofvenergyvcarriedvbyvwavesvorvavstreamvofvparticles.
ANSWER:v B
Anvx-
rayvisvavbeamvofvenergyvthatvhasvthevpowervtovpenetratevsubstancesvandvrecordvimagevshadowsvo
nvavreceptor.v Avradiographvisvavpicturevonvfilmvproducedvbyvthevpassagevofvx-
raysvthroughvanvobjectvorvbody.vRadiographyvisvthevartvandvsciencevofvmakingvdentalvimagesvbyv
thevexposurevofvavreceptorvtovx-
rays.v Radiationvisvavformvofvenergyvcarriedvbyvwavesvorvstreamsvofvparticles.
DIF: Comprehension REF:vvvPagev2
OBJ:v1vTOP:v CDA,vRHS,vIII.B.2.vDescribevthevcharacteristicsvofvx-
radiation
MSC:v NBDHE,v2.0vObtainingvandvInterpretingvRadiographsv|vNBDHE,v2.1vPrinciplesvofvradiophysicsvan
dvradiobiology
3. Yourvpatientvaskedvyouvwhyvdentalvimagesvarevimportant.vWhichvofvthevfollowingvisvthevc
orrectvresponse?
a. Anvoralvexaminationvwithvdentalvimagesvlimitsvthevpractitionervtovwhatvisvseenvc
linically.
b. Allvdentalvdiseasesvandvconditionsvproducevclinicalvsignsvandvsymptoms.
, c. Dentalvimagesvarevnotvavnecessaryvcomponentvofvcomprehensivevpatientvcare.
d. Manyvdentalvdiseasesvarevtypicallyvdiscoveredvonlyvthroughvthevusevofvdentalvi
mages.
ANSWER:v D
Anvoralvexaminationvwithoutvdentalvimagesvlimitsvthevpractitionervtovwhatvisvseenvclinically.vMan
yvdentalvdiseasesvandvconditionsvproducevnovclinicalvsignsvandvsymptoms.vDentalvimagesvarevavne
cessaryvcomponentvofvcomprehensivevpatientvcare.vManyvdentalvdiseasesvarevtypicallyvdiscovere
dvonlyvthroughvthevusevofvdentalvimages.
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.vJohannvHittorfvobservedvinv1870vthatvdischargesvemittedvfromvthevne
gativevelectrodevofvavvacuumvtubevtraveledvinvstraightvlines,vproducedvheat,vandvresultedvinvavgre
enishvfluorescence.vWilliamvCrookesvdiscoveredvinvthevlatev1870svthatvcathodevraysvwerevstrea
msvofvchargedvparticles.
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.vWilhelmvRoentgenvw
asvavBavarianvphysicistvwhovdiscoveredvthevx-
ray.v EdmundvKellsvexposedvthevfirstvdentalvradiographvinvthevUnitedvStatesvusingvavlivevperson.vvv
Pricevintroducedvthevbisectingvtechniquevinv1904.
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%vlessvexposurevtimevthanvthevinitialvexposurevtimesvu
sedvinv1920.
DIF: Comprehension REF:vvvPagev5
OBJ:v6vTOP:v CDA,vRHS,vIII.B.2.vDescribevthevcharacteristicsvofvx-
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.vMcCormackvreint
roducedvthevparallelingvtechniquevinv1920.vF.vGordonvFitzgeraldvmodifiedvthevparallelingvtechn
iquevwithvthevintroductionvofvthevlong-
conevtechnique.vThisvisvthevtechniquevcurrentlyvused.vHowardvRileyvRapervmodifiedvthevbisecti
ngvtechniquevandvintroducedvthevbite-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.vThevimag
evfromvdigitalvsensorsvisvuploadedvdirectlyvtovthevcomputervandvmonitorvwithoutvthevneedvforvche
micalvprocessing.vThisvallowsvforvimmediatevinterpretationvandvevaluation.vThevimagevfromvdigit
alvsensorsvisvuploadedvdirectlyvtovthevcomputervandvmonitorvwithoutvthevneedvforvchemicalvproce
ssing.
DIF: Comprehension REF:vvvPagev6
OBJ:v7vTOP:v CDA,vRHS,vI.B.2.vDemonstratevbasicvknowledgevofvdigit
alvradiography
MSC:v NBDHE,v2.0vObtainingvandvInterpretingvRadiographsv|vNBDHE,v2.5vGeneral
9. Whichvdiscoveryvwasvthevprecursorvtovthevdiscoveryvofvx-rays?
a. Betavparticles
b. Alphavparticles
c. Cathodevrays
d. Radioactivevmaterials
ANSWER:v C
