GXMO OHIO REVIEW QUESTIONS AND ANSWERS
2024
Contrastz-zCORRECTzANSWER-Thezdifferencezbetweenzanyztwozadjacentzportionszofzthezimage
Attenuationz-zCORRECTzANSWER-AbsorptionzofzthezX-rayzbeamzbyzmatter
Scatterzradiationz-zCORRECTzANSWER-PartzofzthezX-
rayzbeamzthatzscatterszinzoppositezdirection,zfromzthezpatient.zHaszlesszenergyzthanzprimaryzbeam.zNotzea
silyzcontrolled
Detentz-zCORRECTzANSWER-SpecialzmechanismzthatzstopszthezX-rayztubezinzazspecificzlocation.
Trendelenburgszpositionz-zCORRECTzANSWER-Flatzonzbackzwithzheadzlowerz15zdegrees
Gridz-zCORRECTzANSWER-
Devicezthatzabsorbszmostzofzthezscatterzradiationzcomingzoffzpt,zpreventingzitzfromzreachingzIR.zIncreasesz
ptzexposure.
Floatingztabletopz-zCORRECTzANSWER-AllowsztheztopzofzX-
rayztableztozmovezindependently,zwhichzmakeszitzeasierztozalignzbodyzpart
Buckyz-zCORRECTzANSWER-GridzandzpullzoutztrayztozholdzthezIRzplatezandzcenterzitztozCentralzray
Stationaryzgridz-zCORRECTzANSWER-Gridzthatzdoesznotzmovezduringzexposure
Whenztozusezazgrid?z-zCORRECTzANSWER-10-12zcmzorzmorezinzthicknesszorzwhenzkVpzgreaterzthanz60
Uprightzcassettezholderz*UPRIGHTzBUCKY*z-zCORRECTzANSWER-
HoldzIRzinzuprightzposition.zMountedzonzwallzandzableztozbezadjustedzforzheightzatz40zorz72zSID
, Controlzconsolez*panel*z-zCORRECTzANSWER-
WherezthezlimitedzoperatorzsetszexposurezfactorszandzInitiateszthezexposure
Transformerzcabinetz-zCORRECTzANSWER-UsedztozproducezhighzvoltagezrequiredzforzX-rayzproduction
Fundamentalzradzsafetyz-zCORRECTzANSWER-
Thezpotentialzhazardziszgreaterzforzthezlimitedzoperatorzthanzthezptzbecausezthezlimitedzoperatorziszinzfreq
uentzdailyzcontact
Sourceszofzradiationz-zCORRECTzANSWER-X-rayztubezandzanyzmatterzthatziszinzthezpathzofzthezX-rayzbeam
Principlezsourcezofzscatter?z-zCORRECTzANSWER-Thezpatient
Shouldzthezlimitedzbezinvolvedzinzholdingzpatients?z-zCORRECTzANSWER-
Noznever.zImmobilizationzdeviceszorzthezpatientszfamilyzifzneedzbe
WhatzshouldzthezGXMOzdozbeforezmakingzanzexposure?z-zCORRECTzANSWER-
Performzazsafetyzcheck.zMakezsurezthezX-rayzdoorziszclosed.zNozonezinzX-
rayzroom.zYourzcompletelyzbehindzBarrier.zNozotherzIRszinzthezexposurezarea.
ThezsourcezofzX-rays?z-zCORRECTzANSWER-InzazveryzsmallzareazinsidezthezX-rayztube.
Tubeziszsurroundedzbyz-zCORRECTzANSWER-Leadzlinedztubezhousing
Tubezhousingz-zCORRECTzANSWER-Absorbsz*some*zscatter
X-rayszgoingzinzazusefulzdirectionzexitzviazthez-zCORRECTzANSWER-Tubezport
X-Rayszfromztubezportzformz-zCORRECTzANSWER-triangularzshapedz*X-rayzbeam*
2024
Contrastz-zCORRECTzANSWER-Thezdifferencezbetweenzanyztwozadjacentzportionszofzthezimage
Attenuationz-zCORRECTzANSWER-AbsorptionzofzthezX-rayzbeamzbyzmatter
Scatterzradiationz-zCORRECTzANSWER-PartzofzthezX-
rayzbeamzthatzscatterszinzoppositezdirection,zfromzthezpatient.zHaszlesszenergyzthanzprimaryzbeam.zNotzea
silyzcontrolled
Detentz-zCORRECTzANSWER-SpecialzmechanismzthatzstopszthezX-rayztubezinzazspecificzlocation.
Trendelenburgszpositionz-zCORRECTzANSWER-Flatzonzbackzwithzheadzlowerz15zdegrees
Gridz-zCORRECTzANSWER-
Devicezthatzabsorbszmostzofzthezscatterzradiationzcomingzoffzpt,zpreventingzitzfromzreachingzIR.zIncreasesz
ptzexposure.
Floatingztabletopz-zCORRECTzANSWER-AllowsztheztopzofzX-
rayztableztozmovezindependently,zwhichzmakeszitzeasierztozalignzbodyzpart
Buckyz-zCORRECTzANSWER-GridzandzpullzoutztrayztozholdzthezIRzplatezandzcenterzitztozCentralzray
Stationaryzgridz-zCORRECTzANSWER-Gridzthatzdoesznotzmovezduringzexposure
Whenztozusezazgrid?z-zCORRECTzANSWER-10-12zcmzorzmorezinzthicknesszorzwhenzkVpzgreaterzthanz60
Uprightzcassettezholderz*UPRIGHTzBUCKY*z-zCORRECTzANSWER-
HoldzIRzinzuprightzposition.zMountedzonzwallzandzableztozbezadjustedzforzheightzatz40zorz72zSID
, Controlzconsolez*panel*z-zCORRECTzANSWER-
WherezthezlimitedzoperatorzsetszexposurezfactorszandzInitiateszthezexposure
Transformerzcabinetz-zCORRECTzANSWER-UsedztozproducezhighzvoltagezrequiredzforzX-rayzproduction
Fundamentalzradzsafetyz-zCORRECTzANSWER-
Thezpotentialzhazardziszgreaterzforzthezlimitedzoperatorzthanzthezptzbecausezthezlimitedzoperatorziszinzfreq
uentzdailyzcontact
Sourceszofzradiationz-zCORRECTzANSWER-X-rayztubezandzanyzmatterzthatziszinzthezpathzofzthezX-rayzbeam
Principlezsourcezofzscatter?z-zCORRECTzANSWER-Thezpatient
Shouldzthezlimitedzbezinvolvedzinzholdingzpatients?z-zCORRECTzANSWER-
Noznever.zImmobilizationzdeviceszorzthezpatientszfamilyzifzneedzbe
WhatzshouldzthezGXMOzdozbeforezmakingzanzexposure?z-zCORRECTzANSWER-
Performzazsafetyzcheck.zMakezsurezthezX-rayzdoorziszclosed.zNozonezinzX-
rayzroom.zYourzcompletelyzbehindzBarrier.zNozotherzIRszinzthezexposurezarea.
ThezsourcezofzX-rays?z-zCORRECTzANSWER-InzazveryzsmallzareazinsidezthezX-rayztube.
Tubeziszsurroundedzbyz-zCORRECTzANSWER-Leadzlinedztubezhousing
Tubezhousingz-zCORRECTzANSWER-Absorbsz*some*zscatter
X-rayszgoingzinzazusefulzdirectionzexitzviazthez-zCORRECTzANSWER-Tubezport
X-Rayszfromztubezportzformz-zCORRECTzANSWER-triangularzshapedz*X-rayzbeam*
