TEST BANK For Dental Radiography:
Principles and Techniques 6th Edition
by Joen Iannucci & Laura Jansen Howerton
Chapters 1 - 35 | Complete
,Chaptery01:yRadiationyHistory
Iannucci:yDentalyRadiography,y6thyEdition
MULTIPLEyCHOICE
1. Radiationyisydefinedyas
a. ayformyofyenergyycarriedybyywavesyorystreamsyofyparticles.
b. aybeamyofyenergyythatyhasytheypowerytoypenetrateysubstancesyandyrecordyimagey
shadowsyonyayreceptor.
c. ayhigh-
energyyradiationyproducedybyytheycollisionyofyaybeamyofyelectronsywithyaymetalyt
argetyinyanyx-rayytube.
d. aybranchyofymedicineythatydealsywithytheyuseyofyx-rays.
ANSWER:y A
Radiationyisyayformyofyenergyycarriedybyywavesyorystreamsyofyparticles.yAnyx-
rayyisyaybeamyofyenergyythatyhasytheypowerytoypenetrateysubstancesyandyrecordyimageyshadows
yonyayreceptor.
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,y2.1yPrinciplesyofyradiophysicsya
ndyradiobiology
2. Ayradiographyisydefinedyas
a. aybeamyofyenergyythatyhasytheypowerytoypenetrateysubstancesyandyrecordyimagey
shadowsyonyayreceptor.
b. aypictureyonyfilmyproducedybyytheypassageyofyx-raysythroughyanyobjectyorybody.
c. theyartyandyscienceyofymakingyradiographsybyytheyexposureyofyanyimageyreceptorytoy
x-rays.
d. ayformyofyenergyycarriedybyywavesyoryaystreamyofyparticles.
ANSWER:y B
Anyx-
rayyisyaybeamyofyenergyythatyhasytheypowerytoypenetrateysubstancesyandyrecordyimageyshadows
yonyayreceptor.y Ayradiographyis yaypictureyonyfilmyproducedybyytheypassageyofyx-
raysythroughyanyobjectyorybody.yRadiographyyisytheyartyandyscienceyofymakingydentalyimagesyb
yytheyexposureyofyayreceptorytoyx-
rays.y Radiationyisyayformyofyenergyycarriedybyywavesyorystreamsyofyparticles.
DIF: Comprehension REF:yyyPagey2
OBJ:y1yTOP:y CDA,yRHS,yIII.B.2.yDescribeytheycharacteristicsyofyx
-radiation
MSC:y NBDHE,y2.0yObtainingyandyInterpretingyRadiographsy|yNBDHE,y2.1yPrinciplesyofyradiophysicsya
ndyradiobiology
3. Yourypatientyaskedyyouywhyydentalyimagesyareyimportant.yWhichyofytheyfollowingyisythey
correctyresponse?
a. Anyoralyexaminationywithydentalyimagesylimitsytheypractitionerytoywhatyisyseeny
clinically.
b. Allydentalydiseasesyandyconditionsyproduceyclinicalysignsyandysymptoms.
, c. Dentalyimagesyareynotyaynecessaryycomponentyofycomprehensiveypatientycare.
d. Manyydentalydiseasesyareytypicallyydiscoveredyonlyythroughytheyuseyofydentaly
images.
ANSWER:y D
Anyoralyexaminationywithoutydentalyimagesylimitsytheypractitionerytoywhatyisyseenyclinically.yMa
nyydentalydiseasesyandyconditionsyproduceynoyclinicalysignsyandysymptoms.yDentalyimagesyareyay
necessaryycomponentyofycomprehensiveypatientycare.yManyydentalydiseasesyareytypicallyydiscov
eredyonlyythroughytheyuseyofydentalyimages.
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.yJohannyHittorfyobservedyiny1870ythatydischargesyemittedyfromythey
negativeyelectrodeyofyayvacuumytubeytraveledyinystraightylines,yproducedyheat,yandyresultedyinya
ygreenishyfluorescence.yWilliamyCrookesydiscoveredyinytheylatey1870sythatycathodeyraysywerey
streamsyofychargedyparticles.
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.yWilhelmyRoentgeny
wasyayBavarianyphysicistywhoydiscoveredytheyx-
ray.yEdmundyKellsyexposedytheyfirstydentalyradiographyinytheyUnitedyStatesyusingyayliveyperson.
yyyPriceyintroducedytheybisectingytechnique yiny1904.
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
, d. 2
ANSWER:y D
Currentyfastyradiographicyfilmyrequiresy98%ylessyexposureytimeythanytheyinitialyexposureytimesy
usedyiny1920.
DIF: Comprehension REF:yyyPagey5
OBJ:y6yTOP:y CDA,yRHS,yIII.B.2.yDescribeytheycharacteristicsyofyx
-radiation
MSC:y NBDHE,y2.0yObtainingyandyInterpretingyRadiographsy|yNBDHE,y2.5yGeneral
7. Whoymodifiedytheyparallelingytechniqueywithytheyintroductionyofytheylong-coneytechnique?
a. C.yEdmundyKells
b. FranklinyW.yMcCormack
c. F.yGordonyFitzgerald
d. HowardyRileyyRaper
ANSWER:y C
C.yEdmundyKellsyintroducedytheyparallelingytechniqueyiny1896.yFranklinyW.yMcCormackyrein
troducedytheyparallelingytechniqueyiny1920.yF.yGordonyFitzgeraldymodifiedytheyparallelingytec
hniqueywithytheyintroductionyofytheylong-
coneytechnique.yThisyisytheytechniqueycurrentlyyused.yHowardyRileyyRaperymodifiedytheybisec
tingytechniqueyandyintroducedytheybite-wingytechniqueyiny1925.
DIF: Recall REF:yyyPagey4 OBJ:y 7
TOP:y CDA,yRHS,yIII.B.2.yDescribeytheycharacteristicsyofyx-radiation
MSC:y NBDHE,y2.0yObtainingyandyInterpretingyRadiographsy|yNBDHE,y2.5yGeneral
8. Whichyofytheyfollowingyisyanyadvantageyofydigitalyimaging?
a. Increasedypatientyradiationyexposure
b. Increasedypatientycomfort
c. Increasedyspeedyforyviewingyimages
d. Increasedychemicalyusage
ANSWER:y C
Patientyexposureyisyreducedywithydigitalyimaging.yDigitalysensorsyareymoreysensitiveytoyx-
raysythanyfilm.yDigitalysensorsyareyrigidyandybulky,ycausingydecreasedypatientycomfort.yTheyima
geyfromydigitalysensorsyisyuploadedydirectlyytoytheycomputeryandymonitorywithoutytheyneedyfory
chemicalyprocessing.yThisyallowsyforyimmediateyinterpretationyandyevaluation.yTheyimageyfromy
digitalysensorsyisyuploadedydirectlyytoytheycomputeryandymonitorywithoutytheyneedyforychemicaly
processing.
DIF: Comprehension REF:yyyPagey6
OBJ:y7yTOP:y CDA,yRHS,yI.B.2.yDemonstrateybasicyknowledgeyofydigi
talyradiography
MSC:y NBDHE,y2.0yObtainingyandyInterpretingyRadiographsy|yNBDHE,y2.5yGeneral
9. Whichydiscoveryywasytheyprecursorytoytheydiscoveryyofyx-rays?
a. Betayparticles
b. Alphayparticles
c. Cathodeyrays
d. Radioactiveymaterials
ANSWER:y C
