FLUOROSCOPY EXAM QUESTIONS v v
Whichvcameravtypevhasvthevgreatestvlag?v-vcorrectvanswer✔ ✔ vidcom
Thisvpersonnelvmonitoringvdevicevdischargesvavcapacitorvbyvthevionizationvofvairvwhenvin
vthevpresencevofvradiation:
a)vAudiblevwarningvdevice.
b)vThermoluminescentvDosimeter.
c)vPocketvchamber.
d)vPocketvionizationvchamber.v-vcorrectvanswer✔ ✔ c)vPocketvchamber,vand.
d)vPocketvionizationvchamber.
Explanation:
Pocketvionizationvchambersvdischargevavcapacitorvbyvionizationvofvairvwithinvavchamberv
whenvinvthevpresencevofvionizingvradiation.vThevself-
readingvversionsvallowvimmediatevreadingvofvradiationvexposurevbyvthevoperator.
Thevfollowingvmayvcausevlong-termveffectsvfromvradiationvexposure:
a)vPriorvlow-dosevexposurev(<25vrads).
b)vPriorvhigh-dosevexposure.
c)vChronicvlow-dosevexposurevovervyears.v-vcorrectvanswer✔ ✔ Priorvhigh-
dosevexposure,vand.
Chronicvlow-dosevexposurevovervyears.
,Explanation:
Long-termveffectsvmayvresultvfromvhigh-dosevexposuresvorvchronicvlow-
dosevexposures.vExposurevtov25vradsvorvlessvofvradiationvisvnotvthoughtvtovcausevinjury.
InvCalifornia,vhowvfrequentlyvmustvtubevpotentialvk.V.p.vandvcurrentvm.A.vmustvbevmonito
red?v-vcorrectvanswer✔ ✔ Weekly
Thisvareavisvdefinedvasvonevinvwhichvanvindividualvcouldvreceivevavdosevequivalentvgreat
ervthanv1vm.S.v.vinv1vhour.v-vcorrectvanswer✔ ✔ HighvRadiationvArea
Explanation:vAv"highvradiationvarea"visvonevinvwhichvtherevexistsvradiationvlevelsvthatvcou
ldvresultvinvanvindividualvreceivingvavdosevequivalentvinvexcessvofv1vm.S.v.vinv1vhourvatv3
0vcmvfromvthevradiationvsource.
Ifvyouvdecreasevthevtarget-to-panelvdistancevforvpatients,vPatientsvdosevis:v-
vcorrectvanswer✔ ✔ Increase.,
Explanation:vThevtargetvisvthevoriginvofvthevx-rayvbeam.vDecreasingvthevtarget-to-
panelvdistancevputsvthevpatientvcloservtovthevx-
rayvbeamvsource.vPatientvdosevisvinverselyvproportionalvtovthevtarget-to-
panelvdistance,vsuchvthatvdecreasingvthisvdistancevincreasesvthevpatientvdose.
WhatvdocumentationvisvnecessaryvinvordervtovexposevhumanvbeingsvtovX-
raysvforvdiagnosticvpurposes?v-vcorrectvanswer✔ ✔
I.vTechnologistvfluoroscopyvpermit.
II.vSupervisorvandvOperatorvradiologyvcertificate.
III.vSupervisorvandvOperatorvfluoroscopyvpermit.
Explanation:vOnlyvpersonsvwhovpossessvproper,vvalid,vandvup-to-
datevSupervisorvandvOperatorvRadiologyvcertificates,vSupervisorvandvOperatorvFluorosc
opyvpermitsvorvTechnologistsvFluoroscopyvpermitsvissuedvbyvthevState.
,Howvmanyvhorizontalvlinesvdovtelevisionvmonitorsvtypicallyvhave?v-vcorrectvanswer✔ ✔
525vlines
Explanation:
Horizontalvscanvlinesvrepresentvthevtotalvnumbervofvlinesvinvavpicturevandvisvgenerallyvfix
edvatv525vlines.vThisvnumbervisvindependentvofvtelevisionvsize.
Whichvofvthevfollowingvdiseasesvwasvseenvinvearlyvradiologists?
Kidneyvcancer.
Leukemia.
Osteosarcoma.
Neuroblastoma.v-vcorrectvanswer✔ ✔ Leukemia
Explanation:
Earlyvradiologistsvmanifestedvavsignificantvincreasevinvskinvmalignanciesvandvleukemias.
Scattervradiationvcouldvbevasvhighvasv500vmilliradsvpervhourvatvhowvfarvfromvthevpatient.v
6vinches
1vfoot
3vfeet
6vfeetv-vcorrectvanswer✔ ✔ 1vfoot
Explanation:
, Atv1vfootvfromvthevpatientvtypicalvexposurevcanvbevasvhighvasv500
Howvthickv(invleadvequivalent)vmustvprotectivevcurtainsvbe?
0.25vmm
0.5vmm
2.0vmm
5vmmv-vcorrectvanswer✔ ✔ 0.25vmm
Explanation:
Protectivevcurtainsvmustvbevatvleastv0.25vmmvleadvequivalentvandvshouldvbevpositionedv
betweenvthevpatientvandvthevfluoroscopist.
AccordingvtovthevNationalvCouncilvonvRadiationvProtectionvandvMeasurementsv(NCRP),v
howvmanyvdaysvaftervthevonsetvofvmensesvisvitvsafestvtovperformvx-rays?v
Greatervthanv2vweeks
10-14vdays
0-5vdays
6-9vdaysv-vcorrectvanswer✔ ✔ 10vtov14vdays
Explanation:
AccordingvtovthevN.C.R.P.v,v10vtov14vdaysvaftervthevonsetvofvmensesvitvisvimprobablevtha
tvavwomanvwouldvbevpregnantvandvsovthisvisvthevsafestvtimevtovperformvx-
rayvexaminations.
Whichvcameravtypevhasvthevgreatestvlag?v-vcorrectvanswer✔ ✔ vidcom
Thisvpersonnelvmonitoringvdevicevdischargesvavcapacitorvbyvthevionizationvofvairvwhenvin
vthevpresencevofvradiation:
a)vAudiblevwarningvdevice.
b)vThermoluminescentvDosimeter.
c)vPocketvchamber.
d)vPocketvionizationvchamber.v-vcorrectvanswer✔ ✔ c)vPocketvchamber,vand.
d)vPocketvionizationvchamber.
Explanation:
Pocketvionizationvchambersvdischargevavcapacitorvbyvionizationvofvairvwithinvavchamberv
whenvinvthevpresencevofvionizingvradiation.vThevself-
readingvversionsvallowvimmediatevreadingvofvradiationvexposurevbyvthevoperator.
Thevfollowingvmayvcausevlong-termveffectsvfromvradiationvexposure:
a)vPriorvlow-dosevexposurev(<25vrads).
b)vPriorvhigh-dosevexposure.
c)vChronicvlow-dosevexposurevovervyears.v-vcorrectvanswer✔ ✔ Priorvhigh-
dosevexposure,vand.
Chronicvlow-dosevexposurevovervyears.
,Explanation:
Long-termveffectsvmayvresultvfromvhigh-dosevexposuresvorvchronicvlow-
dosevexposures.vExposurevtov25vradsvorvlessvofvradiationvisvnotvthoughtvtovcausevinjury.
InvCalifornia,vhowvfrequentlyvmustvtubevpotentialvk.V.p.vandvcurrentvm.A.vmustvbevmonito
red?v-vcorrectvanswer✔ ✔ Weekly
Thisvareavisvdefinedvasvonevinvwhichvanvindividualvcouldvreceivevavdosevequivalentvgreat
ervthanv1vm.S.v.vinv1vhour.v-vcorrectvanswer✔ ✔ HighvRadiationvArea
Explanation:vAv"highvradiationvarea"visvonevinvwhichvtherevexistsvradiationvlevelsvthatvcou
ldvresultvinvanvindividualvreceivingvavdosevequivalentvinvexcessvofv1vm.S.v.vinv1vhourvatv3
0vcmvfromvthevradiationvsource.
Ifvyouvdecreasevthevtarget-to-panelvdistancevforvpatients,vPatientsvdosevis:v-
vcorrectvanswer✔ ✔ Increase.,
Explanation:vThevtargetvisvthevoriginvofvthevx-rayvbeam.vDecreasingvthevtarget-to-
panelvdistancevputsvthevpatientvcloservtovthevx-
rayvbeamvsource.vPatientvdosevisvinverselyvproportionalvtovthevtarget-to-
panelvdistance,vsuchvthatvdecreasingvthisvdistancevincreasesvthevpatientvdose.
WhatvdocumentationvisvnecessaryvinvordervtovexposevhumanvbeingsvtovX-
raysvforvdiagnosticvpurposes?v-vcorrectvanswer✔ ✔
I.vTechnologistvfluoroscopyvpermit.
II.vSupervisorvandvOperatorvradiologyvcertificate.
III.vSupervisorvandvOperatorvfluoroscopyvpermit.
Explanation:vOnlyvpersonsvwhovpossessvproper,vvalid,vandvup-to-
datevSupervisorvandvOperatorvRadiologyvcertificates,vSupervisorvandvOperatorvFluorosc
opyvpermitsvorvTechnologistsvFluoroscopyvpermitsvissuedvbyvthevState.
,Howvmanyvhorizontalvlinesvdovtelevisionvmonitorsvtypicallyvhave?v-vcorrectvanswer✔ ✔
525vlines
Explanation:
Horizontalvscanvlinesvrepresentvthevtotalvnumbervofvlinesvinvavpicturevandvisvgenerallyvfix
edvatv525vlines.vThisvnumbervisvindependentvofvtelevisionvsize.
Whichvofvthevfollowingvdiseasesvwasvseenvinvearlyvradiologists?
Kidneyvcancer.
Leukemia.
Osteosarcoma.
Neuroblastoma.v-vcorrectvanswer✔ ✔ Leukemia
Explanation:
Earlyvradiologistsvmanifestedvavsignificantvincreasevinvskinvmalignanciesvandvleukemias.
Scattervradiationvcouldvbevasvhighvasv500vmilliradsvpervhourvatvhowvfarvfromvthevpatient.v
6vinches
1vfoot
3vfeet
6vfeetv-vcorrectvanswer✔ ✔ 1vfoot
Explanation:
, Atv1vfootvfromvthevpatientvtypicalvexposurevcanvbevasvhighvasv500
Howvthickv(invleadvequivalent)vmustvprotectivevcurtainsvbe?
0.25vmm
0.5vmm
2.0vmm
5vmmv-vcorrectvanswer✔ ✔ 0.25vmm
Explanation:
Protectivevcurtainsvmustvbevatvleastv0.25vmmvleadvequivalentvandvshouldvbevpositionedv
betweenvthevpatientvandvthevfluoroscopist.
AccordingvtovthevNationalvCouncilvonvRadiationvProtectionvandvMeasurementsv(NCRP),v
howvmanyvdaysvaftervthevonsetvofvmensesvisvitvsafestvtovperformvx-rays?v
Greatervthanv2vweeks
10-14vdays
0-5vdays
6-9vdaysv-vcorrectvanswer✔ ✔ 10vtov14vdays
Explanation:
AccordingvtovthevN.C.R.P.v,v10vtov14vdaysvaftervthevonsetvofvmensesvitvisvimprobablevtha
tvavwomanvwouldvbevpregnantvandvsovthisvisvthevsafestvtimevtovperformvx-
rayvexaminations.
