ARRT Bone Density Exam Study Set Questions and Answers Updated 2026

ARRT Bone Density Exam
Study Set Questions and
Answers Updated 2026
AccordingBtoBtheBWHOBcriteria,BwhatBisBtheBdiagnosisBofBosteoporosisBbasedBonBtheB
measurementBofBboneBdensity?B-
BAnswer2.5BSDBorBmoreBbelowBtheByoungBadultBpeakBboneBdensity



WhatBisBtheBgoldBstandardBtechniqueBforBmeasuringBboneBdensity?B-BAnswerDXA



CancellousBboneBisBalsoBknowBas?B-BAnswerTrabecularBBone



WhatBisBtheBanatomicalBlandmarkBonBtheBproximalBfemurBthatBgivesBtheBbestBvisualBi
ndicationBofBtheBdegreeBofBrotationBofBtheBproximalBfemur?B-
BAnswerLesserBTrochanter



WhichBlumbarBvertebraBisBdescribedBasBhavingBaBcharacteristicBshapeBofBanBXBorBand
BHBonBaBDXABPABspineBscan?B-BAnswerL4



IsBForteoBaBbisphosphonate?B-BAnswerNO



QuantitativeBComputatedBTomographyB(QCT)B-BAnswer-measurementsBareBvolumetric



-trabecularBboneBcanBbeBisolatedBfromBcorticalBbone



-accuracyBmayBbeBaffectedBbyBmarrowBfat



PeripheralBBMDBmeasurementsBareBadvocatedBforB_____________?B-BAnswerScreening



WhatBisBtheBmostBimportantBclinicalBconsequenceBofBosteoporosis?B-BAnswerFracture

,WhatBisBtheBnameBofBtheBtoolBthatBintegratesBclinicalBinformationBinBaBquantitativeBm
annerBtoBpredictBaB10-
yearBprobabilityBofBmajorBosteoporoticBfractureBforBbothBmenBandBwomen?B-
BAnswerFRAX



WhatBisBtheBmajorBsourceBofBprecisionBerrorBinBclinicalBpractice?B-BAnswerTechnologist



WhatBisBtheBpercentageBofBtrabecularBboneBinBtheBskeleton?B-BAnswer20B%



TheBforearmBisBnotBusedBtoBmonitorBtheBeffectsBofBtherapyBforBosteoporosisBbecause..
.....B-BAnswerrateBofBchangeBinBBMDBisBtooBslow



WhatBsiteBisBmostlyBcomposedBofBcorticalBbone?B-BAnswerProximalBforearm



WhatBareBtheBadvantagesBofBQUSBoverBx-rayBmethodologiesBforBBMDBmeasurement?B-
BAnswer-ultrasoundBisBcomparativelyBinexpensive



-patientsBareBnotBsubjectedBtoBionizingBradiation



-ultrasoundBexamsBareBquickBtoBperform



WhatBisBtheBnameBofBtheBisotopeBthatBwasBusedBinBSPA?B-BAnswerIodine-125



WhatBisBtheBtextureBindexBthatBevaluatesBtheBpixelBgray-
levelBvariationsBinBlumberBspineBDXABimages?B-BAnswerTBSB(TrabecularBBoneBScore)



WhenBdoesBtypeB2BprimaryBosteoporosisBgenerallyBoccur?B-BAnswerafterBageB70

,WhatBtechniqueBusedBimagesBofBtheBhandBandBanBaluminumBwedge?B-
BAnswerRAB(RadiograhicBAbsorptiometry)



NewBboneBisBformedBbyBtheB___________?B-BAnswerosteoblasts



CancellousBboneBisBalsoBknownBasB_______________?B-BAnswerTrabecularBbone



HowBwouldByouBstartBlabelingBtheBvertebralBbodiesBonBaBPABlumbarBscan?B-
BAnswerStartBatBL4BandBcount/labelBup



WithBchangesBinBrotationBofBtheBfemoralBneck,BwhatBhappens?B-
BAnswerIncreasesBtheBBMD



IfBdailyBQCBfails,BwhatBshouldBbeByourBfirstBstepBofBaction?B-BAnswer-repeatBtheBscan



-ifBscanBfailsBagain,BthenBcallBforBhelp



AlthoughBtheBtechnologyBisBsimilarBwithBallBofBtheBDXABunits,BtheBBMDBresultsBareBdi
fferentBbecause..........B-BAnswer-differentBcalibrationBstandards



-algorithmsBtoBcalculateBBMD



-differencesBinBtheBROI



-differentBdatabases



TheBprimaryBmechanismBofBactionBofBantiresorptiveBtherapiesBisBtheBdirectBinteraction
BwithBtheB__________________B-BAnswerosteoclasts

, WhichBsiteBisBpreferredBforBdeterminationBofBfractureBprediction?B-
BAnswerproximalBfemur



WhatBisBoneBdiseaseBnotBassociatedBwithBlowBBMD?B-BAnswerosteopetrosis



DXABresultsBmayBbeBinfluencedBby.........B-BAnswer-bodyBthickness



-degenerativeBchanges



-fractures



-scanBmode



ABgreatBforearmBscanBshouldBinclude.......B-BAnswer-forearmBcentered



-forearmBstraight



-freeBofBartifacts



PhantomsBthatBmimicBtheBshapeBandBsizeBofBaBskeletalBregionBareBcalledB__________
____________________.B-BAnsweranthromomorphicBphantoms



WhatBisBtheBformulaBusedBtoBcalculateBBMD?B-BAnswerBMDB=BBMC/Area



HowBoftenBshouldByouBperformBtheBQABonBtheBDXABunit?B-
BAnswereverydayByouBscan



RadiogammetryBisBtheBmeasurementBofBbonesBusingBskeletalBx-
rays/radiographs.BWhichBsiteBwasBoftenBused?B-BAnswermetacarpals