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MERRILL-S ATLAS OF RADIOGRAPHIC POSITIONING & PROCEDURES VOL. 1, CHAPTER 1 QUESTIONS WITH VERIFIED ANSWERS 2025

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MERRILL-S ATLAS OF RADIOGRAPHIC POSITIONING & PROCEDURES VOL. 1, CHAPTER 1 QUESTIONS WITH VERIFIED ANSWERS 2025

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MERRILL'S ATLAS OF RADIOGRAPHIC
POSITIONING & PROCEDURES VOL. 1, CHAPTER 1
QUESTIONS WITH VERIFIED ANSWERS 2025
AJradiologicJtechnologistJwhoJadministersJionizingJradiationJtoJperformJradiographicJprocedures.JTheyJprod
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aJhealthJcareJprofessionJthatJincludesJallJdiagnosticJimagingJtechnologistsJandJradiationJtherapists.J-
JcorrectJanswer-RadiologicJtechnology

technical,Jaccuracy,JappropriatenessJ-JcorrectJanswer-
RadiographersJmustJevaluateJanJimageJforJ_______Jquality,J_______,JandJ_________JrelativeJtoJtheJdiagnos
isJorJtheJreasonJforJtheJprocedure.

AsJLowJAsJReasonablyJAchievableJ-JcorrectJanswer-ALARA

communication,Jassessment,Jmonitoring,JandJsupport.J-JcorrectJanswer-
PatientJcareJresponsibilitiesJofJtheJradiographerJinclude:

moral,JethicalJ-JcorrectJanswer-
ToJensureJpatientJsafetyJandJqualityJofJcare,JeachJradiographerJmustJadhereJtoJtheJ______JandJ_______JcodeJ
ofJtheJprofession.

TheJAmericanJSocietyJofJRadiologicJTechnologistsJandJtheJAmericanJRegistryJofJRadiologicJTechnologistsJ
-JcorrectJanswer-RevisedJandJadoptedJtheJradiologicJcurrentJcodeJofJethics

1.JTheJRTJconductsJthemselfJinJaJprofessionalJmanner,JrespondsJtoJpatientJneeds,JandJsupportsJteamJmember
sJinJprovidingJqualityJpatientJcare.
2.JTheJRTJprovidesJservicesJtoJhumanityJwithJfullJrespectJforJtheJdignityJofJhumankind.
3.JTheJRTJdeliversJcareJwithoutJanyJdiscrimination.
4.JTheJRTJpracticesJtechnologyJwithJknowledge,JusesJequipmentJappropriately,JandJemploysJproceduresJandJ
techniquesJappropriately.
5.JTheJRTJassessesJsituationsJandJactsJinJtheJbestJinterestJofJtheJpatient.J

,6.JTheJRTJactsJtoJobtainJpertinentJinformationJ(throughJobservationJandJcommunication)JregardingJtheJpatie
ntJthatJwillJassistJtheJphysicianJinJtreatingJtheJpatient,JbutJknowsJthatJinterpretationJandJdiagnosisJareJoutsideJ
theJscopeJofJtheJprofession.
7.JTheJRTJperformsJmanyJtasks,JincludingJanJexpertiseJinJminimizingJtheJradiationJexposureJtoJtheJpatients,Jc
o-workers,JandJthemselves.
8.JTheJRTJpracticesJethicalJconductJappropriateJtoJtheJ-JcorrectJanswer-TheJASRTJCodeJofJEthics

theJdeviceJthatJreceivesJtheJenergyJofJtheJx-rayJbeamJandJformsJtheJimageJofJtheJbodyJpart.J-JcorrectJanswer-
ImageJReceptor

aJdeviceJthatJcontainsJspecialJintensifyingJscreensJthatJemitJlightJwhenJstruckJbyJx-raysJandJimprintJtheJx-
rayJimageJonJfilm.J-JcorrectJanswer-CassetteJwithJfilm

aJdevice,JusedJforJcomputedJradiography,JtheJIPJstoresJmuchJofJtheJx-
rayJenergyJforJlaterJprocessing.JAfterJexposure,JtheJcassetteJisJinsertedJintoJaJCRJreaderJdevice,JwhichJscansJt
heJIPJandJreleasesJtheJstoredJx-rayJenergyJpatternJasJlight.JTheJemittedJlightJisJconvertedJintoJdigitalJformat.J-
JcorrectJanswer-PhotostimulableJstorageJphosphorJimageJplate

aJflatJpanelJimageJreceptorJthatJconvertsJx-
rayJenergyJintoJaJdigitalJsignal.JTheJdigitalJsignalJconverterJmayJbeJaJthin-filmJtransistorJarrayJorJaJcharge-
coupledJdevice.JTheJportableJsolid-
stateJdetectorsJmayJbeJ"tethered"JdirectlyJtoJtheJdigitalJimagingJsystemJcomputerJorJmayJbeJconnectedJwirele
ssly.J-JcorrectJanswer-Solid-stateJdigitalJdetectorsJ(akaJdigitalJradiography)

"real-time"Jimaging;JguideJproceduresJorJcaptureJfull-motionJvideo.J-JcorrectJanswer-
FluoroscopicJimageJreceptor

theJimageJrecordedJbyJexposingJanyJofJtheJimageJreceptorsJtoJx-raysJ-JcorrectJanswer-Radiograph

TheJinformationJobtainedJbyJperformingJtheJradiographicJexaminationJthatJgenerallyJshowsJaJpresenceJ(orJa
bsence)JofJabnormalitiesJorJtraumaJ-JcorrectJanswer-
TheJinformationJthatJassistsJinJtheJdiagnosisJandJtreatmentJofJtheJpatient

TheJrelationshipJofJtheJanatomicJsuperimpositionJtoJsize,Jshape,JandJangulationJ(inJtheJway).J-
JcorrectJanswer-Superimposition

,EachJanatomicJstructureJmustJbeJcomparedJwithJadjacentJstructuresJandJreviewedJtoJensureJthatJtheJstructureJ
isJpresentJandJproperlyJshown.J-JcorrectJanswer-AdjacentJstructures

kVpJandJmAsJ-JcorrectJanswer-WhatJareJtheJtwoJtechnicalJfactors?

TheJdegreeJofJblackeningJ(overall)JwhenJassociatedJwithJradiographicJfilmJandJasJbrightnessJwhenJappearan
ceJonJaJdigitalJdisplayJmonitorJisJdescribed.JTheJprimaryJcontrollingJfactorJisJtheJmilliampere-
secondJ(mAs).J-JcorrectJanswer-OpticalJdensity

TheJdifferentJshadeJofJgrayJonJanJx-
ray/JtheJdifferenceJinJtheJdensityJonJanyJtwoJareasJonJaJradiographJ(kVp).J-JcorrectJanswer-Contrast

digitalJimagingJsystems.J-JcorrectJanswer-ContrastJresolutionJrefersJto

mA*secondsJ-JcorrectJanswer-mAs=

mAsJ-JcorrectJanswer-TheJexposureJisJdirectlyJrelatedJtoJthe

manyJdensityJlevels.J-JcorrectJanswer-LowJcontrastJimagesJdisplay

fewJdensityJlevels.J-JcorrectJanswer-HighJcontrastJimagesJdisplay

theJnumberJofJbrightnessJvaluesJpossibleJforJeachJpixel.J-JcorrectJanswer-BitJdepth

TheJabilityJtoJvisualizeJsmallJstructuresJ-JcorrectJanswer-SpatialJresolution

1.JIPJphosphor
2.JFlatJpanelJdetectorJDELJsize
3.JGeometry
4.JDistance
5.JFocalJspotJsize

, 6.JMotion
7.JFilm
8.JIntensifyingJscreenJ-JcorrectJanswer-SpatialJresolutionJisJcontrolledJprimarilyJby:

AnatomyJappearingJlargerJonJaJradiographJthanJitsJactualJsize.J-JcorrectJanswer-Magnification

TRUEJ-JcorrectJanswer-T/F:JEveryJradiographJhasJmagnification.

FALSEJ-JcorrectJanswer-T/F:JAnyJotherJstructureJbutJskinJcanJbeJinJcontactJwithJtheJIR.

HowJfarJtheJbodyJpartJisJfromJtheJIRJ-JcorrectJanswer-ObjectJtoJimageJreceptorJdistance

HowJfarJtheJx-rayJtubeJisJfromJtheJIRJ-JcorrectJanswer-SourceJtoJimageJreceptorJdistance

IncreasesJ-JcorrectJanswer-MagnificationJ___________JwithJincreasedJOIDJandJdecreasedJSID.

misrepresentationJbyJunequalJmagnificationJofJtheJactualJshapeJofJtheJstructureJbeingJexaminedJ-
JcorrectJanswer-ShapeJdistortion

TheJpositionJofJreferenceJinJwhichJtheJpatientJstandsJfacingJyou,JarmsJatJtheJside,JwithJtheJpalmsJofJtheJhandsJ
forward.J-JcorrectJanswer-AnatomicJposition

anatomicalJpositionJ-JcorrectJanswer-
RadiographsJareJtypicallyJorientedJonJtheJdisplayJdeviceJsoJthatJtheJpersonJlookingJatJtheJimageJseesJtheJbod
yJpartJplacedJinJ________________

ceilingJ-JcorrectJanswer-
Hand,Jfinger,JandJwristJradiographsJareJtypicallyJdisplayedJwithJdigitsJpointedJtoJtheJ__________

ceilingJ-JcorrectJanswer-FootJandJtoeJradiographsJareJviewedJwithJtheJtoesJpointedJtoJthe

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merrill s atlas of radiographic positioning proc

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MERRILL-S ATLAS OF RADIOGRAPHIC POSITIONING & PROCEDURES VOL. 1, CHAPTER 1 QUESTIONS WITH VERIFIED ANSWERS 2025

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