v v v v v
Principles and Techniques 6th Edition
v v v v v
by Joen Iannucci & Laura Jansen Howerton Chapte
v v v v v v vv
rs 1 - 35 | Complete
v v v v v
,Chapter 01: Radiation History
v v v
Iannucci: Dental Radiography, 6th Edition
v v v v
MULTIPLEv CHOICE
1. Radiationv isv definedv as
a. av formv ofv energyv carriedv byv wavesv orv streamsv ofv particles.
b. avbeamvofvenergyvthatvhasvthevpowervtovpenetratevsubstancesvandvrecordvimv ag
eshadowsvonvavreceptor.
c. av high-
energyvradiationvproducedvbyvthevcollisionvofvavbeamvofvelectronsvwithvametv
alvtargetvinvanvx-rayvtube.
d. av branchv ofv medicinev thatv dealsv withv thev usev ofv x-rays.
ANSWER:CvA
Radiationv isv av formv ofv energyv carriedv byv wavesv orv streamsv ofv particles.v Anv x-
rayvisvavbeamvofenergyvthatvhasvthevpowerv tovpenetratevsubstancesv andv recordvimagevshadv ows
vonvavreceptor.
X-radiationv isv av high-
energyvradiationv producedv byvthev collisionv ofvavbeamv ofvelectronsv withv ametalv targetv inv anvx-
rayvtube.v Radiologyvisv av branchv ofv medicinev thatv dealsv withv thev usev of
x-rays.
DIF: Recall REF: Pagev 2 OBJ:v 1
TOP:v CDA,v RHS,v III.B.2.v Describev thev characteristicsv ofv x-radiation
MSC:v NBDHE,v2.0vObtainingvandvInterpretingvRadiographsv|vNBDHE,v2.1vPrinciplesvofvradiophysicv sa
ndvradiobiology
2. Av radiographv isv definedv as
a. avbeamvofvenergyvthatvhasvthevpowervtovpenetratevsubstancesvandvrecordvimv ag
eshadowsvonvavreceptor.
b. av picturev onv filmv producedv byv thev passagev ofv x-raysv throughv anv objectv orv body.
c. thev artv andv sciencev ofv makingv radiographsv byv thev exposurev ofv anv imagev receptovrv
tox-rays.
d. av formv ofv energyv carriedv byv wavesv orv av streamv ofv particles.
ANSWER:CvB
Anv x-
rayvisvavbeamvofvenergyvthatvhasvthev powervtovpenetratevsubstancesv andv recordvimagev shadv ow
sv onv av receptor.v Av radiographv isv av picturev onv filmv producedv byvthev passagev ofv x-
raysvthroughv anvobjectvorvbody.v Radiographyvisvthevartvandvsciencevofvmakingvdentalvimagv
esvbyvtheexposurevofvavreceptorvtovx-
rays.v Radiationv isv av formv ofv energyv carriedv byv wavesv orv streamsv ofv particles.
DIF: Comprehension REF: Pagev 2
OBJ:v 1vTOP:v CDA,vRHS,vIII.B.2.vDescribevthevcharacteristicsvofvx
-radiation
MSC:v NBDHE,v2.0vObtainingvandvInterpretingvRadiographsv|vNBDHE,v2.1vPrinciplesvofvradiophysicv sa
ndvradiobiology
3. YourCpatientvaskedvyouvwhyvdentalvimagesvarevimportant.vWhichvofvthevfollowingvisv th
ecorrectvresponse?
a. Anvoralvexaminationvwithvdentalvimagesvlimitsvthevpractitionervtovwhatvisvsevenv
clinically.
b. Allv dentalv diseasesv andv conditionsv producev clinicalv signsv andv symptoms.
, c. Dentalv imagesv arev notv av necessaryv componentv ofv comprehensivev patientv care.
d. Manyvdentalvdiseasesvarevtypicallyvdiscoveredvonlyvthroughvthevusevofvdenvtal
images.
ANSWER:CvD
Anvoralvexaminationvwithoutvdentalvimagesvlimitsvthevpractitionervtovwhatvisvseenvclinically.v Man
yvdentalvdiseasesvandvconditionsvproducevnovclinicalvsignsvandvsymptoms.vDentalvimagesv arev av n
ecessaryv componentv ofv comprehensivev patientv care.v Manyv dentalv diseasesv arev typicallvyvdiscov
eredvonlyvthroughvthevusevofvdentalvimages.
DIF: Application REF: Pagev 2 OBJ:v 2
TOP:v CDA,v RHS,v III.B.2.v Describev thev characteristicsv ofv x-radiation
MSC:v NBDHE,v 2.0v Obtainingv andv Interpretingv Radiographsv |v NBDHE,v 2.5v General
4. Thev x-rayv wasv discoveredv by
a. Heinrichv Geissler
b. Wilhelmv Roentgen
c. Johannv Hittorf
d. Williamv Crookes
ANSWER:CvB
HeinrichvGeisslervbuiltvthevfirstvvacuumvtubevinv1838.v WilhelmvRoentgenvdiscoveredvthev x-
rayvonv Novemberv8,v1895.vJohannvHittorfvobservedvinv1870vthatv dischargesvemittedvfromvtv hev
negativevelectrodevofvavvacuumvtubevtraveledvinvstraightvlines,vproducedvheat,vandvresultv edvinva
vgreenishvfluorescence. vWilliamvCrookesvdiscovered vinvthevlatev1870svthatvcathodevrvaysvwerevs
treamsvofvchargedvparticles.
DIF: Recall REF: Pagev 2 OBJ:v 4
TOP:v CDA,v RHS,v III.B.2.v Describev thev characteristicsv ofv x-radiation
MSC:v NBDHE,v 2.0v Obtainingv andv Interpretingv Radiographsv |v NBDHE,v 2.5v General
5. Whov exposedv thev firstv dentalv radiographv inv thev Unitedv Statesv usingv av livev person?
a. Ottov Walkoff
b. Wilhelmv Roentgen
c. Edmundv Kells
d. Westonv Price
ANSWER:Cv C
OttovWalkoffvwasvavGermanvdentistvwhovmadevthevfirstvdentalvradiograph.vWilhelmvRoentgv env
wasvavBavarianvphysicistvwhovdiscoveredvthevx-
ray.v EdmundvKellsvexposedvthevfirstvdentalvradiographvinvthevUnitedvStatesvusingvavlivevpersv
on. Pricevintroducedvthevbisectingvtechniquevinv1904.
DIF: Recall REF: Pagev 4 OBJ:v 5
TOP:v CDA,v RHS,v III.B.2.v Describev thev characteristicsv ofv x-radiation
MSC:v NBDHE,v 2.0v Obtainingv andv Interpretingv Radiographsv |v NBDHE,v 2.5v General
6. Currentv fastv radiographicv filmv requires
%v lessv exposurev timev thanv thev initialv exposuretimesv usedv inv 1920.
a. 33
b. 98
c. 73
, d. 2
ANSWER:CvD
Currentvfastvradiographicvfilmvrequiresv98%vlessvexposurevtimevthanvthevinitialvexposurevtiv me
susedvinv1920.
DIF: Comprehension REF: Pagev 5
OBJ:v 6vTOP:v CDA,vRHS,vIII.B.2.vDescribevthevcharacteristicsvofvx
-radiation
MSC:v NBDHE,v 2.0v Obtainingv andv Interpretingv Radiographsv |v NBDHE,v 2.5v General
7. Whov modifiedv thev parallelingv techniquev withv thev introductionv ofv thev long-conev technique?
a. C.v Edmundv Kells
b. Franklinv W.v McCormack
c. F.v Gordonv Fitzgerald
d. Howardv Rileyv Raper
ANSWER:CvC
C.vEdmundvKellsvintroducedvthevparallelingvtechniquevinv1896.vFranklinvW.vMcCormackvrveint
roducedvthevparallelingvtechniquevinv1920.vF.vGordonvFitzgeraldvmodifiedvthevparallelinvgtech
niquevwithvthevintroductionvofvthevlong-
conevtechnique.vThisvisvthevtechniquevcurrentlyvused.vHowardvRileyvRapervmodifiedvthevbivsec
tingvtechniquevandvintroducedvthevbite-wingvtechniquevinv1925.
DIF: Recall REF: Pagev 4 OBJ:v 7
TOP:v CDA,v RHS,v III.B.2.v Describev thev characteristicsv ofv x-radiation
MSC:v NBDHE,v 2.0v Obtainingv andv Interpretingv Radiographsv |v NBDHE,v 2.5v General
8. Whichv ofv thev followingv isv anv advantagev ofv digitalv imaging?
a. Increasedv patientv radiationv exposure
b. Increasedv patientv comfort
c. Increasedv speedv forv viewingv images
d. Increasedv chemicalv usage
ANSWER:CvC
Patientv exposurev isv reducedv withv digitalv imaging.v Digitalv sensorsv arev morev sensitivev tov x-
vrays vthanvfilm.vDigitalvsensorsvarevrigid vandvbulky,vcausingvdecreasedvpatientvcomfort.vTheviv m
agev fromv digitalv sensorsv isv uploadedv directlyv tov thev computerv andv monitorv withoutv thev neevdvf
orvchemicalvprocessing.vThisvallowsvforvimmediatevinterpretationvandvevaluation.vThevimavgev fr
omdigitalv sensorsv isv uploadedv directlyv tov thev computerv andv monitorv withoutv thev needv fvorvche
micalprocessing.
DIF: Comprehension REF: Pagev 6
OBJ:v7vTOP:v CDA,vRHS,vI.B.2.vDemonstratevbasicvknowledgevofvdiv gi
talvradiography
MSC:v NBDHE,v 2.0v Obtainingv andv Interpretingv Radiographsv |v NBDHE,v 2.5v General
9. Whichv discoveryv wasv thev precursorv tov thev discoveryv ofv x-rays?
a. Betav particles
b. Alphav particles
c. Cathodev rays
d. Radioactivev materials
ANSWER:CvC