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GXMO Study Guide with Correct Answers

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GXMO Study Guide with Correct Answers Absorptionz-zCORRECTzANSWER-Whenzallzofzthezx-rayzenergyziszabsorbedzbyzthezejectedzelectron Acutezradiationzsyndromez-zCORRECTzANSWER-Radiationzsicknesszthatzoccurszinzhumanszafterzwhole-bodyzdoseszofz1zGyzorzmorezofzionizingzradiationzdeliveredzoverzazshortztime;znotzseenzinzdiagnosticzimaging ALARAz-zCORRECTzANSWER-PrinciplezthatzstateszthatzradzexposurezshouldzbezAszLowzAszReasonablyzAchievable AnatomiczPositionz-zCORRECTzANSWER-Thezpositionzinzwhichzthezpatientziszstandingzerect,zwithzthezfacezdirectedzforward,zarmszextendedzbyzthezsideszwithzthezpalmszfacingzforward,zandztheztoeszpointingzanteriorly AnatomicallyzProgrammedzRadiographyz(APR)z-zCORRECTzANSWER-TechniquezbyzwhichzgraphicszonzthezconsolezguidezthezoperatorzinzsectionzofzazdesiredzkVpzandzmAs Angiographyz-zCORRECTzANSWER-Thezfluoroscopiczimagingzofzbloodzvessels Anodez-zCORRECTzANSWER-Positivelyzchargedzsidezofzanzx-rayztubezthatzcontainsztheztarget Anterior-posteriorz-zCORRECTzANSWER-Fromzfrontztozback ARRTz-zAmericanzRegistryzofzRadiologiczTechnologistsz-zCORRECTzANSWER-Thezworld'szlargestzcredentialingzorganizationzinzmedicalzimaging,zinterventionalzprocedures,zandzradiationztherapy;zcertifyzandzregisterztechnologistzthroughzadministrationzofzeducation,zethicszandzexaminationzrequirements Artifactz-zCORRECTzANSWER-Unintendedzopticalzdensityzonzazradiographzorzanotherzfilm-typezimagezreceptor ASRTz-zAmericanzSocietyzofzRadiologiczTecnologistsz-zCORRECTzANSWER-Professionalzorganizationzthatzpromoteszresearch,zcontinuingzeducationzandzthezguidelineszforzradiographyzinstructions Atomz-zCORRECTzANSWER-Smallestzparticlezofzanzelementzthatzcannotzbezdividedzorzbrokenzbyzchemicalzmeans AtomiczNumberz(z)z-zCORRECTzANSWER-Numberzofzprotonszinzaznucleus Attenuationz-zCORRECTzANSWER-Absorptionzofzthezx-rayzbeamzinzmatter,zusuallyzthezhumanzbody Automaticzexposurezcontrolz(AEC)z-zCORRECTzANSWER-Featurezthatzdetermineszradiationzexposurezduringzradiographyzinzmostzx-rayzimagingzsystems Back-upztimez-zCORRECTzANSWER-Whenzthezexposureztimerziszmanuallyzsetzbyzthezoperatorztozaztimezthatziszgreaterzthanzthezanticipatedzexposureztime Bergonie-TribondeauzLawz-zCORRECTzANSWER-Principlezthatzstateszthatzthezradiozsensitivityzofzcellsziszdirectlyzproportionalztozthezreproductivezactivityzandzinverselyzproportionalztoztheirzdegreezofzdifferentiation BindingzEnergyz-zCORRECTzANSWER-Thezenergyzrequiredztozseparatezazsinglezparticlezorzgroupzofzparticleszfromzazmolecule,zatomzorznucleus BiologicalzDamagez-zCORRECTzANSWER-Thezdamagezproducedzfromzexposureztozradiation Bremsstrahlungzx-rayz-zCORRECTzANSWER-X-rayzthatzresultszfromzinteractionzofzthezprojectilezelectronzwithzaztargetznucleus;zalsozknowzaszbreakingzradiation BuckyzTrayz-zCORRECTzANSWER-Azdevicezthatzcontainszazmovingzgrid Caliperz-zCORRECTzANSWER-Aztoolzforzazbodyzpartzmeasurement Cardinalzprincipleszofzradiationzprotectionz-zCORRECTzANSWER-Thezmethodszusedztozprotectzoperatorszfromzunnecessaryzradiationzexposure;ztime,zdistancezandzshielding Cassettez-zCORRECTzANSWER-Azrigidzholderzthatzcontainszthezfilmzandzscreens Cathodez-zCORRECTzANSWER-Negativezsidezofzthezx-rayztube;zcontainszthezfilamentzandzthezfocusingzcup Centralzrayz-zCORRECTzANSWER-Centerzofzthezprimaryzx-rayzbeamzthatzinteractszwithzthezimagezreceptor Characteristiczradiationz-zCORRECTzANSWER-Onezofztwoztypeszofzx-rayzproductions.zItziszcreatedzwhenzanzelectronzentersztheztungstenzanodezofzthezx-rayztubezandzknockszoutzazK-shellzelectron.zThiszinteractionzproduceszandzx-rayzphoton. Coherentzscatteringz-zCORRECTzANSWER-Scatteringzofzx-rayszwithznozlosszofzenergy;zalsozcalledzclassicalzscattering Collimationz-zCORRECTzANSWER-Restrictionzofzthezusefulzx-rayzbeamztozreducezptzdosezandzimprovezimagezcontrast Collimatorz-zCORRECTzANSWER-Azboxlikezdevicezattachedzunderztheztubezhousingzwhichzallowszthezx-rayzoperatorztozvaryzthezbeamzsizezandzshape Compensatingzfilterz-zCORRECTzANSWER-Materialzinsertedzbetweenzanzx-rayzsourcezandzazptztozshapezthezintensityzofzthezx-rayzbeam ComptonzScatteringz-zCORRECTzANSWER-Interactionzbetweenzanzx-rayzandzazlooselyzboundzouter-shellzelectronzthatzresultszinzionizationzandzx-rayzscattering ComputedzRadiographyz(CR)z-zCORRECTzANSWER-Onezofztheztwoztypeszofzdigitalzimagingzsystems.zCRziszcassettezbasedzandzuseszazphotostimulablezphosphorzaszthezimagezreceptor. ComputedzTomographyz(CT)z-zCORRECTzANSWER-Radiographyzinzwhichzazthree-dimensionalzimagezofzazbodyzstructureziszconstructedzbyzcomputerzfromzazserieszofzplanzcross-sectionalzimageszmadezalongzanzaxis Contrastz-zCORRECTzANSWER-Degreezofzdifferencezbetweenzthezlightzandzdarkzareaszofzradiograph ContrastzResolutionz-zCORRECTzANSWER-Thezabilityztozdistinguishzanatomicalzstructureszofzsimilarzsubjectzcontrastzsuchzaszliver-spleenzandzgrayzmatter-whitezmatter ControlzBadgez-zCORRECTzANSWER-Extrazpersonalzdosimeterzthatziszusedztozmeasurezanyzradiationzexposurezthatzmightzoccurztozthezentirezbatchzwhilezinztransit.zItzshouldzbezstoredzawayzfromzanyzpossibilityzofzx-rayzexposure. ControlzBoothz-zCORRECTzANSWER-Thezareazwherezthezcontrolzconsoleziszlocated.zItziszseparatedzfromzthezx-rayzroomzbyzazleadzbarrierztozprotectzthezoperatorzfromzscatterzradiation ControlzConsolez-zCORRECTzANSWER-Thezaccesszpointzatzwhichzthezoperatorzsetszthezexposurezfactorszandzinitiateszthezexposure. ConventionalzSystemz-zCORRECTzANSWER-Onezofztwozsystemszusedztozmeasurezradiationzandzradiationzdose. CRzReaderz-zCORRECTzANSWER-Unitzusedzinzcomputedzradiographyztozscanzandzprocesszthezlatentzimage Deadzmanzswitchz-zCORRECTzANSWER-Azswitchzthatziszautomaticallyzoperatedzifzthezhumanzoperatorzbecomeszincapacitated,zsuchzaszthroughzdeath,zlosszofzconsciousness,zorzbeingzbodilyzremovedzfromzcontrol. Decubitusz-zCORRECTzANSWER-Thezpatientziszrecumbentzorzlyingzdownzandzthezx-rayzbeamziszhorizontal Densitometerz-zCORRECTzANSWER-Instrumentzthatzmeasureszthezopticalzdensityzofzexposedzfilm Densityz-zCORRECTzANSWER-Overallzblacknesszofzthezradiozgraph Detailz-zCORRECTzANSWER-Degreezofzsharpnesszofzstructuralzlineszonzazradiograph Detentz-zCORRECTzANSWER-Azspecialzmechanismzbuiltzintoztubezsupportsztozstopezmovementzinzazspecificzlocation Differentialzabsorptionz-zCORRECTzANSWER-Differentzdegreeszofzabsorptionzinzdifferentztissueszthatzresultzinzimagezcontrastzandzformationzofzthezx-rayzimage Differentialzattenuationz-zCORRECTzAN

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GXMO Study Guide with Correct Answers


Absorptionz-zCORRECTzANSWER-Whenzallzofzthezx-rayzenergyziszabsorbedzbyzthezejectedzelectron



Acutezradiationzsyndromez-zCORRECTzANSWER-Radiationzsicknesszthatzoccurszinzhumanszafterzwhole-
bodyzdoseszofz1zGyzorzmorezofzionizingzradiationzdeliveredzoverzazshortztime;znotzseenzinzdiagnosticzimagi
ng



ALARAz-zCORRECTzANSWER-
PrinciplezthatzstateszthatzradzexposurezshouldzbezAszLowzAszReasonablyzAchievable



AnatomiczPositionz-zCORRECTzANSWER-
Thezpositionzinzwhichzthezpatientziszstandingzerect,zwithzthezfacezdirectedzforward,zarmszextendedzbyzthez
sideszwithzthezpalmszfacingzforward,zandztheztoeszpointingzanteriorly



AnatomicallyzProgrammedzRadiographyz(APR)z-zCORRECTzANSWER-
TechniquezbyzwhichzgraphicszonzthezconsolezguidezthezoperatorzinzsectionzofzazdesiredzkVpzandzmAs



Angiographyz-zCORRECTzANSWER-Thezfluoroscopiczimagingzofzbloodzvessels



Anodez-zCORRECTzANSWER-Positivelyzchargedzsidezofzanzx-rayztubezthatzcontainsztheztarget



Anterior-posteriorz-zCORRECTzANSWER-Fromzfrontztozback



ARRTz-zAmericanzRegistryzofzRadiologiczTechnologistsz-zCORRECTzANSWER-
Thezworld'szlargestzcredentialingzorganizationzinzmedicalzimaging,zinterventionalzprocedures,zandzradiatio
nztherapy;zcertifyzandzregisterztechnologistzthroughzadministrationzofzeducation,zethicszandzexaminationzr
equirements



Artifactz-zCORRECTzANSWER-Unintendedzopticalzdensityzonzazradiographzorzanotherzfilm-
typezimagezreceptor

,ASRTz-zAmericanzSocietyzofzRadiologiczTecnologistsz-zCORRECTzANSWER-
Professionalzorganizationzthatzpromoteszresearch,zcontinuingzeducationzandzthezguidelineszforzradiograp
hyzinstructions



Atomz-zCORRECTzANSWER-
Smallestzparticlezofzanzelementzthatzcannotzbezdividedzorzbrokenzbyzchemicalzmeans



AtomiczNumberz(z)z-zCORRECTzANSWER-Numberzofzprotonszinzaznucleus



Attenuationz-zCORRECTzANSWER-Absorptionzofzthezx-rayzbeamzinzmatter,zusuallyzthezhumanzbody



Automaticzexposurezcontrolz(AEC)z-zCORRECTzANSWER-
Featurezthatzdetermineszradiationzexposurezduringzradiographyzinzmostzx-rayzimagingzsystems



Back-upztimez-zCORRECTzANSWER-
Whenzthezexposureztimerziszmanuallyzsetzbyzthezoperatorztozaztimezthatziszgreaterzthanzthezanticipatedzex
posureztime



Bergonie-TribondeauzLawz-zCORRECTzANSWER-
Principlezthatzstateszthatzthezradiozsensitivityzofzcellsziszdirectlyzproportionalztozthezreproductivezactivityza
ndzinverselyzproportionalztoztheirzdegreezofzdifferentiation



BindingzEnergyz-zCORRECTzANSWER-
Thezenergyzrequiredztozseparatezazsinglezparticlezorzgroupzofzparticleszfromzazmolecule,zatomzorznucleus



BiologicalzDamagez-zCORRECTzANSWER-Thezdamagezproducedzfromzexposureztozradiation



Bremsstrahlungzx-rayz-zCORRECTzANSWER-X-
rayzthatzresultszfromzinteractionzofzthezprojectilezelectronzwithzaztargetznucleus;zalsozknowzaszbreakingzra
diation



BuckyzTrayz-zCORRECTzANSWER-Azdevicezthatzcontainszazmovingzgrid

, Caliperz-zCORRECTzANSWER-Aztoolzforzazbodyzpartzmeasurement



Cardinalzprincipleszofzradiationzprotectionz-zCORRECTzANSWER-
Thezmethodszusedztozprotectzoperatorszfromzunnecessaryzradiationzexposure;ztime,zdistancezandzshieldin
g



Cassettez-zCORRECTzANSWER-Azrigidzholderzthatzcontainszthezfilmzandzscreens



Cathodez-zCORRECTzANSWER-Negativezsidezofzthezx-rayztube;zcontainszthezfilamentzandzthezfocusingzcup



Centralzrayz-zCORRECTzANSWER-Centerzofzthezprimaryzx-rayzbeamzthatzinteractszwithzthezimagezreceptor



Characteristiczradiationz-zCORRECTzANSWER-Onezofztwoztypeszofzx-
rayzproductions.zItziszcreatedzwhenzanzelectronzentersztheztungstenzanodezofzthezx-
rayztubezandzknockszoutzazK-shellzelectron.zThiszinteractionzproduceszandzx-rayzphoton.



Coherentzscatteringz-zCORRECTzANSWER-Scatteringzofzx-
rayszwithznozlosszofzenergy;zalsozcalledzclassicalzscattering



Collimationz-zCORRECTzANSWER-Restrictionzofzthezusefulzx-
rayzbeamztozreducezptzdosezandzimprovezimagezcontrast



Collimatorz-zCORRECTzANSWER-Azboxlikezdevicezattachedzunderztheztubezhousingzwhichzallowszthezx-
rayzoperatorztozvaryzthezbeamzsizezandzshape



Compensatingzfilterz-zCORRECTzANSWER-Materialzinsertedzbetweenzanzx-
rayzsourcezandzazptztozshapezthezintensityzofzthezx-rayzbeam



ComptonzScatteringz-zCORRECTzANSWER-Interactionzbetweenzanzx-rayzandzazlooselyzboundzouter-
shellzelectronzthatzresultszinzionizationzandzx-rayzscattering

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