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NOLOGISTS 13TH EDITION BY BUSHONG AND SHIE
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LDS |ALL CHAPTERS | QUESTIONS & 100% VERIFIE
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D ANSWERS AND RATIONALES | GRADED A+
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,CHAPTER 1: INTRODUCTION TO RADIOLOGIC SCIENCE
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1. Whichsdofsdthesdfollowingsdbestsddescribessdthesdprimarysdpurposesdofsddiagnos
ticsdradiography?
A. Tosdtreatsddiseasessdusingsdionizings d radiation
B. Tosdproducesdimagessdofsdinternals d structuressdforsddiagnosis
C. Tosdmonitorsdpatientsdvitalsdsigns
D. Tosdsterilizes d medicalsdequipment
Answer:sdB
Rationale:sdDiagnosticsdradiography’ssdmains d purposesdissdtosdproducesdimagess d ofsdinter
nalsdbodysdstructures,sdallowings d physicianssdtosddetectsdandsddiagnosesdabnormalities.s d
OptionssdA,sdC,sdandsdDsdaresdunrelateds d tosddiagnosticsdimaging.
2. Whatsdissdthesdprimarysdsourcesdofsdionizingsdradiationsdinsdmedicalsdimaging?
A. MRIsdscanner
B. X-raysdtube
C. Ultrasoundsdtransducer
D. PETsdscanner
Answer:sdB
Rationale:sdThesdX-
rays d tubesdgeneratess d ionizings d radiations d usedsdins d diagnosticsdradiography.sdMRIsda
ndsdultrasoundsdusesdnon-
ionizings d energy,sdwhiles d PETsdusessdradioactivesdtracerssdrathersdthansdproducingsdrad
iations d insdasdtube.
3. HowsddoessdthesdALARAsdprinciples d guidesdradiologicsdpractice?
A. Maximizings d imagesdqualitysd regardlesssdofsddose
B. Minimizings d radiationsdexposuresdwhilesd achievingsd diagnosticsdquality
C. Limitings d patientsdinteractions d tosdreducesdinfection
D. Increasingsdexposuresdtimesdforsdbettersdpenetration
Answer:sdB
Rationale:sdALARAsd(“AssdLowsdAssdReasonablysdAchievable”)s d ensuressdpatientsda
ndsdstaffsdreceivesdthesdminimums d radiationsddosesdnecessarysdforsddiagnostic-
qualitys d images.
,4. Asdradiologicsdtechnologistsdissdpreparingsdtosdimagesdasdpatientsdwithsdasdsuspec
tedsdfracture.sdWhichsdsafetysdmeasuresdissdmostsdimportant?
A. Usingsdthesdfastestsdimagings d speed
B. Ensuringsdpropersdpatientsdshieldingsdandsdpositioning
C. Increasingsdexposuresdtosdreducesdrepeatsdimages
D. Allowingsd thesdpatientsdtosdmovesdduringsdimaging
Answer:sdB
Rationale:sdPropersdshieldingsdandsdpositioningsd minimizes d unnecessarysdexposuresdands
dprotectsdradiosensitives d tissues.sdOptionssdA,sdC,sdandsdDsdcansdincreasesdradiations d risksd
orsddegradesdimagesdquality.
5. Scenario:sdAsd45-year-
olds d patientsdexpressessdconcernsdaboutsdradiations d exposure.sdHowsdshouldsdthesdtec
hnologistsdrespond?
A. Ignoresdtheirsdconcerns;sdradiationsdissdsafe
B. Explainsd thatsddosesdissdminimizeds d andsdbenefitssdoutweighsdrisks
C. Refusesdtosdperformsdthesdexam
D. Increasesdexposuresdtosdensuresdbettersdimages
Answer:sdB
Rationale:sdPatientssdshouldsdbesdinformeds d aboutsdthesdlowsddosesdandsdthesddiagnosticsd
benefits,sdreducingsdanxietys d andsdpromotingsdinformedsdconsent.
6. Whichsdprofessionalsdorganizationsdestablishessdstandardssdforsdradiolog
icsdtechnologists?
A. WHO
B. ASRT
C. FDA
D. CDC
Answer:sdB
Rationale:sdThesdAmericansdSocietysdofsdRadiologicsdTechnologistssd(ASRT)sdsetssdedu
cationalsdandsdprofessionalsdstandards.sdFDAsdregulatess d equipment,s d CDCsdfocusessdonsdinf
ections d control,sdWHOsdonsdglobalsdhealth.
, 7. Whichsdimagingsdmodalitysddoessdnotsdusesdionizingsdradiation?
A. CTsdscan
B. MRI
C. X-ray
D. Fluoroscopy
Answer:sdB
Rationale:sdMRIsdusessdmagneticsd fieldssdandsdradiosdwaves,sdwhichsdaresdnon-
ionizing.sdCT,sdX-ray,sdandsdfluoroscopysdallsdusesdionizings d radiation.
8. Whatsdissdthesd mostsdradiosensitivesdtissuesdinsdthesdhumansdbody?
A. Muscle
B. Skin
C. Bonesdmarrow
D. Cartilage
Answer:sdC
Rationale:sdBonesdmarrowsdcontainssdrapidlysddividingsdcells,sdmakingsd itsdhighlys d sensiti
vesdtosdionizings d radiation.s d Muscle,sdskin,sdandsdcartilages d aresdlesssdsensitive.
9. WhichsdfactorsdprimarilysdaffectssdthesdqualitysdofsdansdX-raysdimage?
A. Patientsddiet
B. Tubesdvoltagesdandsdcurrent
C. Roomsdtemperature
D. Technologistsdheight
Answer:sdB
Rationale:sdTubesdvoltagesd(kVp)sdandsdcurrentsd(mA)sdcontrolsdX-
raysdenergysdandsdphotonsdquantity,s d directlysdaffectingsdimages d quality.
10. Howsdoftensdshouldsdradiologicsdequipmentsdbesdtestedsdforsdqualitysd assurance?
A. Daily
B. Monthly
C. Annually
D. Onlysdwhensdmalfunctions d occurs