Chapter jj02: jjRadiation: jjTypes, jjSources, jjand jjDoses
jjReceived j j Sherer: jjRadiation jjProtection jjin jjMedical
about:blank 1/7
, jjRadiography, jj9th jjEdition
MULTIPLE jjCHOICE
1. If jjionizing jjradiation jjfrom jjnatural jjsources jjgrows jjlarger jjbecause jjof
jjaccidental jjor jjdeliberate j j human jjactions jjsuch jjas jjmining jjradioactive
jjelements, jjthe jjsources jjare jjtermed
a. artificial jj sources.
b. enhanced jj natural jj sources.
c. extraterrestrial jj sources.
d. human-made jj sources.
ANS: jjB
2. Electromagnetic jjradiation jjtravels jjor jjpropagates jjthrough jjspace jjin jjthe jjform jjof
jja jjwave jjbut jjcan j j interact jjwith jjmatter jjas jja jjparticle jjof jjenergy jjcalled jja
jjphoton. jjThis jjdual jjnature jjis jjreferred jjto jjas
a. wave jj attenuation jj capability.
b. wave-particle jj interchange jj ability.
c. wave-particle jj duality.
d. wave-particle jj phenomena.
ANS: jjC
3. Which jjof jj the jjfollowing jj statements jjconcerning jj the jj1979 jj nuclear jjreactor jj accident jj at
jjTMI-2 jj is
not jjtrue?
a. Many jjexcess jjcancer jjdeaths jjhave jjbeen jjpredicted jjto jjoccur jjin jjthe
jj2 jjmillion jjpeople j j living jjwithin jj50 jjmiles jjof jjthe jjplant jjat jjthe
jjtime jjof jjthe jjaccident.
b. TMI-2 jjhas jjbeen jjdormant jjsince jjthe jjaccident jjin jj1979.
c. The jjaverage jjdose jjreceived jjby jjthe jjexposed jjpopulation jjliving jjwithin
jja jj10-mile j j radius jjof jjthe jjTMI jjnuclear jjpower jjstation jjat jjthe
jjtime jjof jjthe jjaccident jjwas jjdetermined j j to jjbe jj0.08 jjmSv, jjwhich jjis
jjwell jjbelow jjthe jjaverage jjannual jjbackground jjlevel.
d. The jjpressurized jjwater jjreactor jjunderwent jjan jjaccidental jjloss jjof
jjcoolant, jjleading jjto j j severe jjoverheating jjof jjthe jjhighly jjradioactive
jjreactor jjcore jjthat jjresulted jjin jja jjpartial j j meltdown jjand jjsignificant
jjradiation jjleak.
ANS: jjA
4. Terrestrial jjradiation jj includes jj which jjof jj the jj following jj sources?
a. Long-lived jjradioactive jjelements jjsuch jjas jjuranium-238, jjradium-
226, jjand j j thorium-232 jjthat jjare jjpresent jjin jjvariable jjquantities
jjin jjthe jjcrust jjof jjthe jjEarth
b. Radioactive jjfallout jjfrom jjnuclear jjweapons jjtests jjin jjwhich
jjdetonation jjoccurred j j above jjground
c. The jjsun jjand jjbeyond jjthe jjsolar jjsystem
d. Airport jj surveillance jj systems jj and jj electron jj microscopes
ANS: jjA
5. The jjEnvironmental jjProtection jjAgency jj(EPA) jjrecommends jjthat jjaction jjbe
jjtaken jjto jjreduce j j elevated jjlevels jjof jjradon jjin jjhomes jjto jja jjconcentration
jjless jjthan
a. 200 jjpCi/L jjof jjair.
about:blank 2/7
jjReceived j j Sherer: jjRadiation jjProtection jjin jjMedical
about:blank 1/7
, jjRadiography, jj9th jjEdition
MULTIPLE jjCHOICE
1. If jjionizing jjradiation jjfrom jjnatural jjsources jjgrows jjlarger jjbecause jjof
jjaccidental jjor jjdeliberate j j human jjactions jjsuch jjas jjmining jjradioactive
jjelements, jjthe jjsources jjare jjtermed
a. artificial jj sources.
b. enhanced jj natural jj sources.
c. extraterrestrial jj sources.
d. human-made jj sources.
ANS: jjB
2. Electromagnetic jjradiation jjtravels jjor jjpropagates jjthrough jjspace jjin jjthe jjform jjof
jja jjwave jjbut jjcan j j interact jjwith jjmatter jjas jja jjparticle jjof jjenergy jjcalled jja
jjphoton. jjThis jjdual jjnature jjis jjreferred jjto jjas
a. wave jj attenuation jj capability.
b. wave-particle jj interchange jj ability.
c. wave-particle jj duality.
d. wave-particle jj phenomena.
ANS: jjC
3. Which jjof jj the jjfollowing jj statements jjconcerning jj the jj1979 jj nuclear jjreactor jj accident jj at
jjTMI-2 jj is
not jjtrue?
a. Many jjexcess jjcancer jjdeaths jjhave jjbeen jjpredicted jjto jjoccur jjin jjthe
jj2 jjmillion jjpeople j j living jjwithin jj50 jjmiles jjof jjthe jjplant jjat jjthe
jjtime jjof jjthe jjaccident.
b. TMI-2 jjhas jjbeen jjdormant jjsince jjthe jjaccident jjin jj1979.
c. The jjaverage jjdose jjreceived jjby jjthe jjexposed jjpopulation jjliving jjwithin
jja jj10-mile j j radius jjof jjthe jjTMI jjnuclear jjpower jjstation jjat jjthe
jjtime jjof jjthe jjaccident jjwas jjdetermined j j to jjbe jj0.08 jjmSv, jjwhich jjis
jjwell jjbelow jjthe jjaverage jjannual jjbackground jjlevel.
d. The jjpressurized jjwater jjreactor jjunderwent jjan jjaccidental jjloss jjof
jjcoolant, jjleading jjto j j severe jjoverheating jjof jjthe jjhighly jjradioactive
jjreactor jjcore jjthat jjresulted jjin jja jjpartial j j meltdown jjand jjsignificant
jjradiation jjleak.
ANS: jjA
4. Terrestrial jjradiation jj includes jj which jjof jj the jj following jj sources?
a. Long-lived jjradioactive jjelements jjsuch jjas jjuranium-238, jjradium-
226, jjand j j thorium-232 jjthat jjare jjpresent jjin jjvariable jjquantities
jjin jjthe jjcrust jjof jjthe jjEarth
b. Radioactive jjfallout jjfrom jjnuclear jjweapons jjtests jjin jjwhich
jjdetonation jjoccurred j j above jjground
c. The jjsun jjand jjbeyond jjthe jjsolar jjsystem
d. Airport jj surveillance jj systems jj and jj electron jj microscopes
ANS: jjA
5. The jjEnvironmental jjProtection jjAgency jj(EPA) jjrecommends jjthat jjaction jjbe
jjtaken jjto jjreduce j j elevated jjlevels jjof jjradon jjin jjhomes jjto jja jjconcentration
jjless jjthan
a. 200 jjpCi/L jjof jjair.
about:blank 2/7
