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,Chapter 01: Introduction to Radiation Protection
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Sherer: Radiation Protection inMedical Radiography, 9th Edition
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MULTIPLE CHOICE zl
1. Consequencesof ionization in human cells include zl 9 zl 9zl 9z l zl
1. creation ofunstable atoms. zl zl
2. production of free electrons. 9z l 9 zl
3. creationofhighlyreactivefreemolecules(calledfreeradicals)capableofproducingsubsta nc
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es poisonous to the cell.
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4. creation ofnewbiologic molecules detrimental totheliving cell.
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5. injurytothe cell that maymanifest itself asabnormal function orloss offunction.
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6. production of low-energy x-rayphotons. zl 9 zl
a. 1,2,3,and 4 only
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b. 2,3,4,and 5only
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c. 3,4,5,and 6only
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d. Alltheoptions zl zl
ANS: D zl
, 2. Which ofthe followingis a form ofradiationthat is capable of creatingelectricallycharged partic le
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s byremoving orbitalelectrons fromthe atom ofnormalmatterthrough whichitpasses?
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a. Ionizing radiation zl
b. Nonionizing radiation zl
c. Subatomic radiation zl
d. Ultrasonic radiation zl
ANS: A zl
3. Regarding exposure toionizing radiation,patients who areeducated to understand themedicalbe
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nefit of an imaging procedure are more likely to
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a. assume asmallchance ofbiologicdamage butnotsuppress anyradiationphobiathey m 9 zl zl 9 zl zl 9 zl zl 9 zl zl
ay have. zl
b. cancel their scheduled procedure because they are not willingto assume asmall cha
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nce of biologic damage. zl zl zl
c. suppress anyradiationphobia butnot risk asmall chance ofpossible biologicda 9zl zl 9z l zl zl zl zl zl zl zl zl
mage.
d. suppress any radiationphobia and be willing to assume a smallchance ofpossiblebiol o zl zl zl zl zl 9 9zl 9 zl 9 zl 9z l zl
gic damage. zl
ANS: D zl
4. Themillisievert (mSv) isequalto
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a. 1/10ofasievert. zl zl
b. 1/100ofasievert. zl zl
c. 1/1000ofasievert. zl zl
d. 1/10,000ofasievert. zl zl
ANS: C zl
5. The advantagesof the BERT method are
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1. BERT doesnot implyradiation risk; it is simply a means forcomparison.
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2. BERT emphasizes that radiation is aninnate part oftheenvironment.
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3. BERT provides ananswer that is easyfor the patient tocomprehend.
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a. 1and2only zl zl zl
b. 1and3only zl zl zl
c. 2 and3only 9 zl zl
d. Alltheoptions zl zl
ANS:D zl
6. Ifapatientasksaradiographeraquestion abouthowmuch radiationheorshe willreceivefrom a spec
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ific x-ray procedure, the radiographer can
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a. respond byusing an estimation basedon the comparison ofradiation received fromth 9zl 9zl 9 9zl zl 9 zl 9z l zl 9 9z l
e x-ray to natural background radiation received.
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b. avoid thepatient’s question bychanging thesubject. zl zl 9z l zl zl zl
c. tellthepatient that itisunethical todiscuss such concerns.
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d. refuse toanswer thequestion and recommend that heorshe speakwith the ref e
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rring physician. z l
ANS: A zl
7. Whyshould the selection oftechnical exposure factors for allmedical imaging proceduresal
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ways follow ALARA? z l zl
a. Sothat referring physicians ordering imaging procedures do not have to acceptresp on
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sibility for patient radiation safety. z l zl z l z l
b. Sothat radiographers and radiologists do not have to accept responsibility for
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,Chapter 01: Introduction to Radiation Protection
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Sherer: Radiation Protection inMedical Radiography, 9th Edition
zl zl zl zl zl z l zl
MULTIPLE CHOICE zl
1. Consequencesof ionization in human cells include zl 9 zl 9zl 9z l zl
1. creation ofunstable atoms. zl zl
2. production of free electrons. 9z l 9 zl
3. creationofhighlyreactivefreemolecules(calledfreeradicals)capableofproducingsubsta nc
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es poisonous to the cell.
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4. creation ofnewbiologic molecules detrimental totheliving cell.
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5. injurytothe cell that maymanifest itself asabnormal function orloss offunction.
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6. production of low-energy x-rayphotons. zl 9 zl
a. 1,2,3,and 4 only
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b. 2,3,4,and 5only
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c. 3,4,5,and 6only
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d. Alltheoptions zl zl
ANS: D zl
, 2. Which ofthe followingis a form ofradiationthat is capable of creatingelectricallycharged partic le
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s byremoving orbitalelectrons fromthe atom ofnormalmatterthrough whichitpasses?
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a. Ionizing radiation zl
b. Nonionizing radiation zl
c. Subatomic radiation zl
d. Ultrasonic radiation zl
ANS: A zl
3. Regarding exposure toionizing radiation,patients who areeducated to understand themedicalbe
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nefit of an imaging procedure are more likely to
z l zl zl z l zl zl 9zl zl
a. assume asmallchance ofbiologicdamage butnotsuppress anyradiationphobiathey m 9 zl zl 9 zl zl 9 zl zl 9 zl zl
ay have. zl
b. cancel their scheduled procedure because they are not willingto assume asmall cha
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nce of biologic damage. zl zl zl
c. suppress anyradiationphobia butnot risk asmall chance ofpossible biologicda 9zl zl 9z l zl zl zl zl zl zl zl zl
mage.
d. suppress any radiationphobia and be willing to assume a smallchance ofpossiblebiol o zl zl zl zl zl 9 9zl 9 zl 9 zl 9z l zl
gic damage. zl
ANS: D zl
4. Themillisievert (mSv) isequalto
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a. 1/10ofasievert. zl zl
b. 1/100ofasievert. zl zl
c. 1/1000ofasievert. zl zl
d. 1/10,000ofasievert. zl zl
ANS: C zl
5. The advantagesof the BERT method are
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1. BERT doesnot implyradiation risk; it is simply a means forcomparison.
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2. BERT emphasizes that radiation is aninnate part oftheenvironment.
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3. BERT provides ananswer that is easyfor the patient tocomprehend.
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a. 1and2only zl zl zl
b. 1and3only zl zl zl
c. 2 and3only 9 zl zl
d. Alltheoptions zl zl
ANS:D zl
6. Ifapatientasksaradiographeraquestion abouthowmuch radiationheorshe willreceivefrom a spec
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ific x-ray procedure, the radiographer can
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a. respond byusing an estimation basedon the comparison ofradiation received fromth 9zl 9zl 9 9zl zl 9 zl 9z l zl 9 9z l
e x-ray to natural background radiation received.
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b. avoid thepatient’s question bychanging thesubject. zl zl 9z l zl zl zl
c. tellthepatient that itisunethical todiscuss such concerns.
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d. refuse toanswer thequestion and recommend that heorshe speakwith the ref e
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rring physician. z l
ANS: A zl
7. Whyshould the selection oftechnical exposure factors for allmedical imaging proceduresal
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ways follow ALARA? z l zl
a. Sothat referring physicians ordering imaging procedures do not have to acceptresp on
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sibility for patient radiation safety. z l zl z l z l
b. Sothat radiographers and radiologists do not have to accept responsibility for
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