Test Bank For Radiation Protection in Medical Radiography 9th Edition

, TABLE OF CONTENT s s




Chapter1.IntroductiontoRadiation Protection
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Chapter2.Radiation:Types,Sources,andDosesReceived
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Chapter 3. Interaction of X-Radiation with Matter Chapter4.
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Radiation Quantitiesand Units Chapter
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5. Radiation Monitoring s




Chapter6. Overviewof CellBiology
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Chapter7. Molecularand CellularRadiation Biology
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Chapter 8. EarlyTissue Reactions and Their Effects on Organ Systems
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Chapter9.Stochastic Effectsand Late TissueReactionsof Radiationin Organ
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Systems
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Chapter10. DoseLimitsforExposureto IonizingRadiation
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Chapter 11. Equipment Design for Radiation Protection
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Chapter12.ManagementofPatientRadiationDoseDuringDiagnosticX-Ray Procedures
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Chapter13. RadiationSafetyinComputedTomographyandMammography
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Chapter 14. Managementof Imaging PersonnelRadiation Dose During
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Diagnostic X-RayProcedures
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Chapter15.Radioisotopesand Radiation Protection
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Chapter 01: Introduction to Radiation Protection s s




Sherer: Radiation Protection in Medical Radiography, s s s 9th Edition

MULTIPLE CHOICE

1. Consequences ofionization inhuman cells include s s s




1. creation of unstable atoms. s jj s




2. production offree electrons. s s




3. creation ofhighly reactive free molecules (calledfreeradicals)capable
s s s s s




ofproducing substances poisonous to the cell.
s s s s s




4. creationofnewbiologic molecules detrimental totheliving cell.
s s s s s




5. injury tothe cellthat may manifest
s itself asabnormal function orlossoffunction.
s s s s s s s s s s




6. production oflow-energy x-ray photons. s s s s




a. 1,2, 3, and 4 only s s s s




b. 2,3, 4, and 5 only s s s s




c. 3,4, 5, and 6 only s s s s




d. Allthe options s s




ANS: D

,2. Whichofthe following isaformofradiation that is capableofcreating electrically
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charged particles byremoving orbital electrons from the atomofnormal matter
s s s s s s s s s s




through which it passes?
s s s s




a. Ionizing radiation s




b. Nonionizing radiation s




c. Subatomic radiation s




d. Ultrasonic radiation s




ANS: A

3. Regarding exposure toionizing radiation, patients who areeducatedtounderstand the
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medical benefit of animaging procedure are more likely to
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a. assume asmall chance ofbiologic damage butnot suppressanyradiation s s s s s s s




phobia they may have.
s s s s




b. canceltheir scheduled procedure because theyarenotwilling toassume a
s s s s s s s s s s




small chance of biologic damage.
s s s s




c. suppressanyradiation phobia butnotriskasmall chanceofpossible s s s s s s s s




biologic damage. s s




d. suppressanyradiation phobia andbewilling toassume asmall chance s s s s s s s s




ofpossible biologic damage.
s j s s




ANS: D

4. The millisievert (mSv) isequal to
s s s s s




a. 1/10of a sievert. s s s




b. 1/100of a sievert. s s s




c. 1/1000of a sievert. s s s




d. 1/10,000of a sievert. s s s




ANS: C


5. Theadvantages ofthe BERT method are
s s s s s




1. BERT doesnot imply radiation risk;it issimply ameans forcomparison.
s s s s s s s s s




2. BERTemphasizes that radiation isaninnate parto ftheenvironment.
s s s s j s




3. BERTprovides ananswerthat iseasyfor thepatient tocomprehend.
s s s s s s s




a. 1and 2only s s




b. 1and 3only s s




c. 2and 3only s s




d. Allthe options s s




ANS: D s




6. Ifapatient asksaradiographer aquestion about howmuch radiation heorshe will
s s s s s s s s s




receive from aspecific x-ray procedure, the radiographer can
s s s s s s




a. respond byusing an e stimation basedonthe comparison ofradiation received s s jj s s s s




from the x-ray to natural background radiation received.
s s s s s s s




b. avoid thepatient’s question bychanging thesubject. s s s s s s




c. tellthe patient that it is unethical to discuss such concerns.
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d. refuse toanswer thequestion andrecommend that heorshes peak w iththe
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referring physician.
s




ANS: A s




7. Whyshould the selection oftechnical exposure factors for allmedical imaging s s s s s s s s




procedures always follow ALARA?
s s




a. Sothatreferring physicians ordering imaging procedures donothave to s s s s s s s




accept responsibility for patient radiation safety.
s s s s s s




b. Sothat radiographers andradiologists donot have toacceptresponsibility for
j s s s s s s

, patient radiation safety. s s




c. Because radiation- induced cancer doesnot appearto have afixed threshold, that is, s s s s s s s s s s




a doselevel below which aperson would have no chance of developing this disease.
s jj s s s s s s s s s s s s




d. Because radiation- induced cancerdoeshave adoselevel atwhich individuals s s s s s s




would have achance ofdeveloping this disease.
s s s s s s




ANS: C s




8. The cardinal principles ofradiation protection include
s s s s s s which ofthefollowing? s s




a. Time
b. Distance
c. Shielding
d. Allthe options s s




ANS: D s




9. In a hospital setting, which ofthe following professionals is expressly charged bythe
jjj s s s s s s s s s s s




hospitaladministration with being directly responsible for the execution, enforcement,
s s s s s s s s s s




and maintenance ofthe ALARA program?
s s s s s




a. Assistant administrator ofthe facility s s




b. Chiefofstaff s s




c. Radiation Safety Officer s s




d. Student radiologic technologist s s




ANS: C s




10. Whyisaquestion concerning theamount ofradiation apatient will receive during s s s s s s s




aspecific x-ray procedure difficult to answer?
s s s s s




1. Becausethereceived doseis specified in anumber ofdifferent s units ofmeasure. s s s s s s s s s s




2. Because the scientific units for radiation dosearenormally not comprehensible
s by s s s s s s s




apatient. s




3. Becausethe patient should notreceive anyinformation aboutradiation dose.
s s s s s s s s s




a. 1and 2only s s




b. 1and 3only s s




c. 2and 3only s s




d. Allthe options s s




ANS: A s




11. X-raysareaformofwhich ofthe following kinds ofradiation? s s s s s s




a. Environmental
b. Ionizing
c. Internal
d. Nonionizing
ANS: B s




12. Whatunit is used to measure radiation exposure in themetric International System ofUnits?
s s s s s s s s s s s s s s




a. Coulomb perkilogram s




b. Milligray
c. Millisievert
d. Sievert
ANS: A s




13. What organizationwas founded in 2007 that continues their pursuit to raise awareness of the need
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for dose reductionprotocols bypromotingpediatric-specified scanprotocols to be used for
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bothradiology and non-radiology users ofCT?
s s s s s




a. U.S.Foodand Drug Administration s s s