RADIATION PROTECTION IN MEDICALRADIOGRAPHY 9TH EDITION
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ByMary Alice Statkiewicz Sherer
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, TABLEOF CONTENT m
Chapter1. Introduction to Radiation Protection
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Chapter 2. Radiation: Types,Sources, and Doses Receive
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d Chapter 3. Interaction of X-
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Radiation with Matter Chapter4. Radiation Quantitiesand
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Units Chapterm
5. Radiation Monitoring m
Chapter 6. Overviewof Cell Biology
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Chapter7. Molecularand CellularRadiation Biology
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Chapter 8. Early Tissue Reactions and Their Effects on Organ Systems Chapte
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r9. Stochastic Effectsand Late Tissue Reactionsof Radiation in Organ Systems
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Chapter10. Dose Limitsfor Exposureto Ionizing Radiation Cha
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pter 11. Equipment Design for Radiation Protection
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Chapter12. ManagementofPatientRadiation Dose During Diagnostic X-
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Ray Procedures
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Chapter13. Radiation Safetyin ComputedTomographyand Mammography Chapt
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er 14. Managementof Imaging PersonnelRadiation Dose During Diagnostic X-
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Ray Procedures
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Chapter15. Radioisotopesand Radiation Protection
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Chapter 01:m Introduction tom Radiation Protection
Sherer: Radiationm Protectionm inm Medical Radiography, 9th Edition
MULTIPLE CHOICE
1. Consequencesm ofmionizationm inhuman cellsm include
1. creationm ofunstablemmmatoms. j
2. productionm offreem electrons.
3. creation ofhighlymmreactivemm freemmolecules
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(calledfreeradicals)mcapablemofproducingmsubstances poisonous j
tom them cell.
4. creationmofnewmbiologicmmm molecules detrimentalm tomthemlivingm cell.
5. injurym tomthem cellmthatm maym manifest itselfm asabnormalm functionm ormlossmoffunction.
6. productionm ofmlow-energymmx-raymphotons.
a. 1,2,m 3,mandm 4monly
b. 2,3,m 4,mandm 5monly
c. 3,4,m 5,mandm 6monly
d. Allmthem options
ANS: D
,2. Whichmofthem followingm ismaformmofradiationm thatm ismcapablemofcreatingm electricallym
chargedmparticlesmbymremovingmorbitalmelectronsmfrommthematomofnormalmmattermthr
ough whichmitm passes?
a. Ionizingm radiation
b. Nonionizingm radiation
c. Subatomicm radiation
d. Ultrasonicm radiation
ANS: A
3. Regardingm exposurem toionizingm radiation,m patientsm whomareeducatedmtomunderstandm them
medicalmbenefit ofmanimaging procedurem aremmorem likelym to
a. assumem asmallm chancem ofbiologicm damagem butnotmsuppressmanyradiation
phobiamtheym maym have.
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b. cancelmtheirm scheduledm procedurembecausem theymarenotmwillingm tomassumem am
smallmchancem ofmbiologic damage.
c. suppressmanyradiationmmphobiammbutnotmriskmasmallmmmchancemofpossib
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lembiologicmdamage.
d. suppressmanyradiationm phobiam andbewillingm tomassumemamsmallm chancem
ofpossiblembiologicmmmdamage.
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ANS: D
4. Themmillisievertmm(mSv)m isequalm to
a. 1/10mofm amsievert.
b. 1/100mofm amsievert.
c. 1/1000mofm amsievert.
d. 1/10,000mofm amsievert.
ANS: C
5. Themadvantagesm ofmthem BERTm methodm are
1. BERTmdoesnotmimplym radiationm risk;mitmismsimply ameansm forcomparison.
2. BERTmemphasizes thatm radiationmm ismaninnate partofthem environment.
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3. BERTmprovidesm ananswerthatm ismeasyformthempatientm tocomprehend.
a. 1andm 2monly
b. 1andm 3monly
c. 2andm 3monly
d. Allmthem options
ANS:mD
6. Ifapatientm asksamradiographerm aquestionm aboutmhowmuchmradiationm hemorshem willmre
ceivemfrommaspecific x-raymprocedure,m them radiographer can
a. respondmbyusingmmmanestimation
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basedonthemmcomparisonmmofradiationmmmreceivedmfro
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mmthem x-raym tomnatural backgroundm radiation received.
b. avoidm thepatient’sm questionm bychangingm themsubject.
c. tellmthem patientm thatm itmismunethicalm tomdiscussm suchmconcerns.
d. refusemmtoanswermmthequestionmmandrecommend
thatmmheorshemspeakwithmthemreferring
j physician.
ANS:mA
7. Whyshouldm them selectionm ofmtechnicalm exposuremfactorsm formallmedicalm imagingm
proceduresmalways follow ALARA?
a. Sothatmreferring
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physiciansmmm orderingmm imagingmmmproceduresmmdonot havemmtomacceptmrespons
ibilitym formpatientm radiationmsafety.
b. Sothatm radiographers andmradiologists donotmmhavemmtomacceptmresponsibilitymmmfor
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, patientm radiationm safety.
c. Becausemradiation-
inducedmmmcancermdoesnotmappeartomhavemmafixedmmm threshold,mmm thatmis,madoselevelmm
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m belowmwhichmm apersonmwouldmmmhavem nom chancem ofmdevelopingmmm thismdisease.
d. Becausemradiation-
inducedmm cancerdoes havemmadoselevelmmatwhichmmindividualsmwouldm havem ac
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hancem ofdevelopingm thism disease.
ANS:mC
8. Themcardinalmmprinciplesmmmofradiationm protectionmminclude whichmmofthemfollowing?
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a. Time
b. Distance
c. Shielding
d. Allmthem options
ANS:mD
9. Ina hospitalmmsetting,mmmwhichmmofthem followingmm professionalsmm ismexpresslym chargedmm bythe
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mhospitalmadministrationmwithmbeingmdirectlymresponsiblemformthemexecution,m enforcement,m
andmmaintenance ofmthem ALARAm program?
a. Assistantmm administrator ofthem facility
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b. Chiefmofmstaff
c. Radiationm SafetymOfficer
d. Studentmradiologicm technologist
ANS:mC
10. Whyisa questionmm concerningmm theamountmm of radiationmmapatientmmwillmmreceivemmduri
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ngmaspecificmx-raymproceduremmm difficult tom answer?
1. Becausemthemreceivedmmdoseismspecifiedmmm inmanumbermmm ofdifferent unitsmmmof measure.
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2. Becausemthemscientificmmmunitsm form radiationm dosearenormallym notmcomprehensible
bymapatient.
3. Becausemthem patientm shouldm notmreceivem anyinformationm aboutmradiationm dose.
a. 1andm 2monly
b. 1andm 3monly
c. 2andm 3monly
d. Allmthem options
ANS:mA
11. X-raysareaformmofwhichm ofthem followingm kindsm ofradiation?
a. Environmental
b. Ionizing
c. Internal
d. Nonionizing
ANS:mB
12. Whatmunitm ismusedm tommeasurem radiationm exposurem inm themmetricm Internationalm Systemm ofUnits
?
a. Coulombm perkilogram
b. Milligray
c. Millisievert
d. Sievert
ANS:mA
13. Whatmorganizationwasmfoundedminm2007mthatmcontinuesmtheirmpursuitmtomraisemawarenessmofmt
hemneedmformdosemreductionprotocolsmbypromotingpediatric-
specifiedmscanprotocolsmtombemusedmform bothradiologym andm non-radiologym usersm ofCT?