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iPROTECTION IN MEDICAL
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i RADIOGRAPHY8THEDITIONBY
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SHERER
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, Chapter 01: Introduction to Radiation Protection
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Sherer: Radiation Protection in Medical Radiography, 8th Edition
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MULTIPLE iCHOICE
1. Consequences iof iionization iin ihuman icells iinclude
1. creation iof iunstable iatoms.
2. production iof ifree ielectrons.
3. creation iof ihighly ireactive ifree iradicals icapable iof iproducing isubstances ipoisonous ito
ithe icell.
4. creation iof inew ibiologic imolecules idetrimental ito ithe iliving icell.
5. injury ito ithe icell ithat imay imanifest iitself ias iabnormal ifunction ior iloss iof ifunction.
a. 1, i2, iand i3 ionly
b. 2, i3, iand i4 ionly
c. 3, i4, iand i5 ionly
d. 1, i2, i3, i4, iand i5
ANS: i D
2. Which iof ithe ifollowing iis ia iform iof iradiation ithat iis icapable iof icreating ielectrically
icharged iparticles iby iremoving iorbital ielectrons ifrom ithe iatom iof inormal imatter ithrough
iwhich iit ipasses?
a. Ionizing iradiation
b. Nonionizing iradiation
c. Subatomic iradiation
d. Ultrasonic iradiation
ANS: i A
3. Regarding iexposure ito iionizing iradiation, ipatients iwho iare ieducated ito iunderstand ithe
medical ibenefit iof ian iimaging iprocedure iare imore ilikely ito
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a. assume ia ismall ichance iof ibiologic idamage ibut inot isuppress iany iradiation
phobia ithey imay ihave.
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b. cancel itheir ischeduled iprocedure ibecause ithey iare inot iwilling ito iassume ia
small ichance iof ibiologic idamage.
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c. suppress iany iradiation iphobia ibut inot irisk ia ismall ichance iof ipossible
biologic idamage.
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d. suppress iany iradiation iphobia iand ibe iwilling ito iassume ia ismall ichance iof
possible ibiologic idamage.
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ANS: i D
4. The imillisievert i(mSv) iis iequal ito
a. 1/10 iof ia isievert.
b. 1/100 iof ia isievert.
c. 1/1000 iof ia isievert.
d. 1/10,000 iof ia isievert.
ANS: i C
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, 5. The iadvantages iof ithe iBERT imethod iare
1. it idoes inot iimply iradiation irisk; iit iis isimply ia imeans ifor icomparison.
2. it iemphasizes ithat iradiation iis ian iinnate ipart iof iour ienvironment.
3. it iprovides ian ianswer ithat iis ieasy ifor ithe ipatient ito icomprehend.
a. 1 iand i2 ionly
b. 1 iand i3 ionly
c. 2 iand i3 ionly
d. 1, i2, iand i3
ANS: i D
6. If ia ipatient iasks ia iradiographer ia iquestion iabout ihow imuch iradiation ihe ior ishe iwill
i receive ifrom ia ispecific ix-ray iprocedure, ithe iradiographer ican
a. respond iby iusing ian iestimation ibased ion ithe icomparison iof iradiation
received ifrom ithe ix-ray ito inatural ibackground iradiation ireceived.
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b. avoid ithe ipatient’s iquestion iby ichanging ithe isubject.
c. tell ithe ipatient ithat iit iis iunethical ito idiscuss isuch iconcerns.
d. refuse ito ianswer ithe iquestion iand irecommend ithat ihe ior ishe ispeak iwith
the ireferring iphysician.
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ANS: i A
7. Why ishould ithe iselection iof itechnical iexposure ifactors ifor iall imedical iimaging
procedures ialways ifollow iALARA?
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a. So ithat ireferring iphysicians iordering iimaging iprocedures ido inot ihave ito
accept iresponsibility ifor ipatient iradiation isafety.
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b. So ithat iradiographers iand iradiologists ido inot ihave ito iaccept iresponsibility
for ipatient iradiation isafety.
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c. Because iradiation-induced icancer idoes inot iappear ito ihave ia idose ilevel
ibelow iwhich iindividuals iwould ihave ino ichance iof ideveloping ithis idisease.
d. Because iradiation-induced icancer idoes ihave ia idose ilevel iat iwhich
iindividuals iwould ihave ia ichance iof ideveloping ithis idisease.
ANS: i C
8. The icardinal iprinciples iof iradiation iprotection iinclude iwhich iof ithe ifollowing?
1. Time
2. Distance
3. Shielding
a. 1 ionly
b. 2 ionly
c. 3 ionly
d. 1, i2, iand i3
ANS: i D
9. In ia ihospital isetting, iwhich iof ithe ifollowing iprofessionals iis iexpressly icharged iby ithe
ihospital iadministration iwith ibeing idirectly iresponsible ifor ithe iexecution, ienforcement, iand
imaintenance iof ithe iALARA iprogram?
a. Assistant iadministrator iof ithe ifacility
b. Chief iof istaff
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, c. Radiation iSafety iOfficer
d. Student iradiologic itechnologist
ANS: i C
10. Why iis ia iquestion iconcerning ithe iamount iof iradiation ia ipatient iwill ireceive iduring ia
specific ix-ray iprocedure idifficult ito ianswer?
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1. Because ithe ireceived idose iis ispecified iin ia inumber iof idifferent iunits iof imeasure
2. Because ithe iscientific iunits ifor iradiation idose iare inormally inot icomprehensible iby ia ipatient
3. Because ithe ipatient ishould inot ireceive iany iinformation iabout iradiation idose
a. 1 iand i2 ionly
b. 1 iand i3 ionly
c. 2 iand i3 ionly
d. 1, i2, iand i3
ANS: i A
11. X-rays iare ia iform iof iwhich iof ithe ifollowing ikinds iof iradiation?
a. Environmental
b. Ionizing
c. Internal
d. Nonionizing
ANS: i B
12. What iunit iis iused ito imeasure iradiation iexposure iin ithe imetric iInternational iSystem iof iUnits?
a. Coulomb iper ikilogram
b. Milligray
c. Millisievert
d. Sievert
ANS: i A
13. What iorganization iwas ifounded iin i2007 ithat icontinues itheir ipursuit ito iraise iawareness iof
the ineed ifor idose ireduction iprotocols iby ipromoting ipediatric-specified iscan iprotocols ito ibe
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used ifor iboth iradiology iand inonradiology iusers iof iCT?
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a. U.S. iFood iand iDrug iAdministration
b. Alliance ifor iRadiation iSafety iin iPediatric iImaging.
c. American iRegistry iof iRadiologic iTechnologists
d. The iJoint iCommission
ANS: i B
14. Which iof ithe ifollowing iprovides ithe ibasis ifor idetermining iwhether ian iimaging iprocedure
or ipractice iis ijustified?
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a. ALARA iconcept
b. BERT imethod
c. Diagnostic iefficacy
d. NEXT iprogram
ANS: i C
15. Which iof ithe ifollowing iis ia imethod iof iexplaining iradiation ito ithe ipublic?
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