v v v v v
Principles and Techniques 6th Edition
v v v v v
by Joen Iannucci & Laura Jansen Howerton
v v v v v v v
Chapters 1 - 35 | Complete
v v v v v v
,Chapter 01: Radiation History
v v v
Iannucci: Dental Radiography, 6th Edition
v v v v
MULTIPLE vCHOICE
1. Radiation vis vdefined vas
a. a vform vof venergy vcarried vby vwaves vor vstreams vof vparticles.
b. a vbeam vof venergy vthat vhas vthe vpower vto vpenetrate vsubstances vand vrecord
v imagevshadows von va vreceptor.
c. a vhigh-energy vradiation vproduced vby vthe vcollision vof va vbeam vof velectrons
v with vavmetal vtarget vin van vx-ray vtube.
d. a vbranch vof vmedicine vthat vdeals vwith vthe vuse vof vx-rays.
ANSWER: v A
Radiation vis va vform vof venergy vcarried vby vwaves vor vstreams vof vparticles. vAn vx-ray vis va
vbeam vofv energy vthat vhas vthe vpower vto vpenetrate vsubstances vand vrecord vimage vshadows
von va vreceptor.
X-radiation vis va vhigh-energy vradiation vproduced vby vthe vcollision vof va vbeam vof velectrons
vwith vavmetal vtarget vin van vx-ray vtube. vRadiology vis va vbranch vof vmedicine vthat vdeals vwith
vthe vuse vof
x-rays.
DIF: Recall REF: v v v Page v2 OBJ: v 1
TOP: v CDA, vRHS, vIII.B.2. vDescribe vthe vcharacteristics vof vx-radiation
MSC: v NBDHE, v2.0 vObtaining vand vInterpreting vRadiographs v| vNBDHE, v2.1 vPrinciples vof
vradiophysicsv
and vradiobiology
2. A vradiograph vis vdefined vas
a. a vbeam vof venergy vthat vhas vthe vpower vto vpenetrate vsubstances vand vrecord
v imagevshadows von va vreceptor.
b. a vpicture von vfilm vproduced vby vthe vpassage vof vx-rays vthrough van vobject vor vbody.
c. the vart vand vscience vof vmaking vradiographs vby vthe vexposure vof van vimage
v receptor vtovx-rays.
d. a vform vof venergy vcarried vby vwaves vor va vstream vof vparticles.
ANSWER: v B
An vx-ray vis va vbeam vof venergy vthat vhas vthe vpower vto vpenetrate vsubstances vand vrecord
vimage vshadows von va vreceptor. v A vradiograph vis va vpicture von vfilm vproduced vby vthe
vpassage vof vx-rays vthrough van vobject vor vbody. vRadiography vis vthe vart vand vscience vof
vmaking vdental vimages vby vthevexposure vof va vreceptor vto vx-rays. v Radiation vis va vform vof
venergy vcarried vby vwaves vor vstreams vof vparticles.
DIF: Comprehension REF: v v v Page v2 OBJ: v1
vTOP: v CDA, vRHS, vIII.B.2. vDescribe vthe vcharacteristics vof vx-radiation
MSC: v NBDHE, v2.0 vObtaining vand vInterpreting vRadiographs v| vNBDHE, v2.1 vPrinciples vof
vradiophysicsv
and vradiobiology
3. Your vpatient vasked vyou vwhy vdental vimages vare vimportant. vWhich vof vthe vfollowing
v is vthevcorrect vresponse?
a. An voral vexamination vwith vdental vimages vlimits vthe vpractitioner vto vwhat vis
v seenvclinically.
b. All vdental vdiseases vand vconditions vproduce vclinical vsigns vand vsymptoms.
, c. Dental vimages vare vnot va vnecessary vcomponent vof vcomprehensive vpatient vcare.
d. Many vdental vdiseases vare vtypically vdiscovered vonly vthrough vthe vuse vof
v dentalvimages.
ANSWER: v D
An voral vexamination vwithout vdental vimages vlimits vthe vpractitioner vto vwhat vis vseen
vclinically. vMany vdental vdiseases vand vconditions v produce vno vclinical vsigns vand vsymptoms.
vDental vimagesv are va vnecessary vcomponent vof vcomprehensive vpatient vcare. vMany vdental
vdiseases vare vtypically vdiscovered vonly vthrough vthe vuse vof vdental vimages.
DIF: Application REF: v v v Page v2 OBJ: v 2
TOP: v CDA, vRHS, vIII.B.2. vDescribe vthe vcharacteristics vof vx-radiation
MSC: v NBDHE, v2.0 vObtaining vand vInterpreting vRadiographs v| vNBDHE, v2.5 vGeneral
4. The vx-ray vwas vdiscovered vby
a. Heinrich vGeissler
b. Wilhelm vRoentgen
c. Johann vHittorf
d. William vCrookes
ANSWER: v B
Heinrich vGeissler vbuilt vthe vfirst vvacuum vtube vin v1838. v Wilhelm vRoentgen vdiscovered vthe
x-ray von vNovember v8, v1895. vJohann vHittorf vobserved vin v1870 vthat vdischarges vemitted
vfrom vthe vnegative velectrode vof va vvacuum vtube vtraveled vin vstraight vlines, vproduced vheat,
vand vresultedv
in va vgreenish vfluorescence. vWilliam vCrookes vdiscovered vin vthe vlate v1870s
vthat vcathode vrays vwere vstreams vof vcharged vparticles.
DIF: Recall REF: v v v Page v2 OBJ: v 4
TOP: v CDA, vRHS, vIII.B.2. vDescribe vthe vcharacteristics vof vx-radiation
MSC: v NBDHE, v2.0 vObtaining vand vInterpreting vRadiographs v| vNBDHE, v2.5 vGeneral
5. Who vexposed vthe vfirst vdental vradiograph vin vthe vUnited vStates vusing va vlive vperson?
a. Otto vWalkoff
b. Wilhelm vRoentgen
c. Edmund vKells
d. Weston vPrice
ANSWER: v C
Otto vWalkoff vwas va vGerman vdentist vwho vmade vthe vfirst vdental vradiograph. vWilhelm
vRoentgenv was va vBavarian vphysicist vwho vdiscovered vthe vx-ray. v Edmund vKells vexposed vthe
vfirst vdental vradiograph vin vthe vUnited vStates vusing va vlive vperson. v v vPrice vintroduced vthe
vbisecting vtechnique vin v1904.
DIF: Recall REF: v v v Page v4 OBJ: v 5
TOP: v CDA, vRHS, vIII.B.2. vDescribe vthe vcharacteristics vof vx-radiation
MSC: v NBDHE, v2.0 vObtaining vand vInterpreting vRadiographs v| vNBDHE, v2.5 vGeneral
6. Current vfast vradiographic vfilm vrequires % vless vexposure vtime vthan vthe vinitial
vexposurevtimes vused vin v1920.
a. 33
b. 98
c. 73
, d. 2
ANSWER: v D
Current vfast vradiographic vfilm vrequires v98% vless vexposure vtime vthan vthe vinitial vexposure
vtimesv
used vin v1920.
DIF: Comprehension REF: v v v Page v5 OBJ: v6
vTOP: v CDA, vRHS, vIII.B.2. vDescribe vthe vcharacteristics vof vx-radiation
MSC: v NBDHE, v2.0 vObtaining vand vInterpreting vRadiographs v| vNBDHE, v2.5 vGeneral
7. Who vmodified vthe vparalleling vtechnique vwith vthe vintroduction vof vthe vlong-cone vtechnique?
a. C. vEdmund vKells
b. Franklin vW. vMcCormack
c. F. vGordon vFitzgerald
d. Howard vRiley vRaper
ANSWER: v C
C. vEdmund vKells vintroduced vthe vparalleling vtechnique vin v1896. vFranklin vW.
vMcCormack vreintroduced vthe vparalleling vtechnique vin v1920. vF. vGordon vFitzgerald
vmodified vthe vparallelingvtechnique vwith vthe vintroduction vof vthe vlong-cone vtechnique. vThis
vis vthe vtechnique vcurrently vused. vHoward vRiley vRaper vmodified vthe vbisecting vtechnique
vand vintroduced vthe vbite-wing vtechnique vin v1925.
DIF: Recall REF: v v v Page v4 OBJ: v 7
TOP: v CDA, vRHS, vIII.B.2. vDescribe vthe vcharacteristics vof vx-radiation
MSC: v NBDHE, v2.0 vObtaining vand vInterpreting vRadiographs v| vNBDHE, v2.5 vGeneral
8. Which vof vthe vfollowing vis van vadvantage vof vdigital vimaging?
a. Increased vpatient vradiation vexposure
b. Increased vpatient vcomfort
c. Increased vspeed vfor vviewing vimages
d. Increased vchemical vusage
ANSWER: v C
Patient vexposure vis vreduced vwith vdigital vimaging. vDigital vsensors vare vmore vsensitive vto vx-
rays vthan vfilm. vDigital vsensors vare vrigid vand vbulky, vcausing vdecreased vpatient vcomfort.
vThe vimage vfrom vdigital vsensors vis vuploaded vdirectly vto vthe vcomputer vand vmonitor
vwithout vthe vneed vfor vchemical vprocessing. vThis vallows vfor vimmediate vinterpretation vand
vevaluation. vThe vimage vfromv digital vsensors vis vuploaded vdirectly vto vthe vcomputer vand
vmonitor vwithout vthe vneed vfor vchemicalvprocessing.
DIF: Comprehension REF: v v v Page v6 OBJ: v7
vTOP: v CDA, vRHS, vI.B.2. vDemonstrate vbasic vknowledge vof vdigital
vradiography
MSC: v NBDHE, v2.0 vObtaining vand vInterpreting vRadiographs v| vNBDHE, v2.5 vGeneral
9. Which vdiscovery vwas vthe vprecursor vto vthe vdiscovery vof vx-rays?
a. Beta vparticles
b. Alpha vparticles
c. Cathode vrays
d. Radioactive vmaterials
ANSWER: v C