CORRECT ANSWERS
Main sproperty sof sx-radiation sthat smakes sit spotentially shazardous sis sits sability sto? s-
sANS--Ionize
Describe sthe sdamage spotential sof sionization? s- sANS--Chain sreaction sin sthe shuman
sbody sthat smay seventually scause sbiologic sdamage. sX-rays sare sfrom sthe sElectric
sMagnetic sSpectrum sor sradiation senergy sand sis sconsidered sharmful sin shigh senergy
sranges.
What sis sthe smost slikely spotential shazard sworking swith sdiagnostic sradiology? s-
sANS--Carcinogenesis s- sStochastic/Non-Threshold sEffect
.1 sRem s= s? sSeivert s- sANS--1 sSievert
0.1 sGray s= s? sRad s- sANS--10 sRad
1 sGray s= s? sRad s- sANS--100 sRad
What sis sAplastic sAnemia? sWhen sdose sit soccur? s- sANS--All stypes sof sblood scells:
sRed s& sWhite
25 sRads
A sdecrease sin sblood scount sis sthe searliest sresponse sseen sto sdose sradiation. sIt scan
soccur sat sdosease sas slow sas? s- sANS--25 sRads sor s.25 sGray
What sis sCataractogenesis? s- sANS--Process sof sCataract sFormation
Cataractogenesis soccurs safter sacute sor schronic sexposures sof show smany sRads? s-
sANS--200 sRads, s2 sGray
Skin sEyrythemia s(Skin sRedning) soccurs sabove? s- sANS--Above s200 sRad, s2 sGray
Temporary sSterility soccurs sin sthe sadult smale sat sacute sdoses sof show smany sRads?
s- sANS--250 sRads, s2.5 sGray
Pregnant sradiographer sshould? s(3) s- sANS--Always spractice sTDS
Has slegal sright sfor sre-assignment sof sduty
Never sconfuse scollar sbadge swith swaist sbadge
,Monthly sdosimetry sreports sis sbased son swhat? s- sANS--OCCUPATIONAL sexposures
sonly.
Monthly sDosimeter sreports sdoes sNOT sinclude? s- sANS--Natural sor sBackground
sRadiation
What sis sthe srecommended smonthly sdose-equivalent slimit sfor sthe sfetus sin sthe sthird
strimester? s- sANS--0.5 smSv
.05 sRem
NRCP s116
Radiation sworkers scumulative sdose-equivalent slimit sis sdetermined sby? s- sANS--Age
sx s10 smSv s
Age sx s1 sRem
NCRP s110
What sis sthe sOccupational sradiation sdose sequivalent slimit sfor sstochastic seffects sto
sthe swhole sbody? s- sANS--50 smSv s(5 sRem)
When susing sa sC-Arm smobile sunit, sthe sintensification stower sshould sbe? s- sANS--As
sclose sas spossible sto sthe spatient sto sreduce spatient sdose sand sunnecessary
smagnification.
Radiation sexposure sin sair s= s? s- sANS--Roentgens s- sIonization sin sair sdose
smeasurement.
Electrical scurrent sbeing sgenerated sby sa scharge screated sin sair sthru sionization sby
sx/gamma sradiation sis scalled sa? s- sANS--Ion sChamber
The squantity sof sradiation sexposure smeasured sby san sionization schamber swould sbe?
s- sANS--Coulomb/Kilogram
The sC/Kg sor sR sis susually sthe sunit smeasured sin? s- sANS--Air sdose
List sthe s3 smeasurements sthat sare smore sappropriate sfor smeasuring sabsorbed sdoses
sfor sradiation sor soccupational sdose? s- sANS--Gray s(1) s- sRad s(100) s
Seivert s(1) s- sRem s(100)
Curie s- sBacquerel
What stype sof schanges sare sused sto smeasure soccupational sdose? s(3) s- sANS--
Scintillation
Biological
Chemical
Example sof spersonnel smonitor sthat smeasures sradiation sthru schemical schange
sreaction? s- sANS--Film sBadge s- sOperate soff sGurney-Mott stheory.
, Explain sthe sGurney-Mott sTheory...? s- sANS--Describes show san sx-ray sphoton
schanges ssilver shalide sinto satomic ssilver sin sthe sfilm semulsion--a sdefinite schemical
schange.
How slong scan sa sfilm sbadge sbe sworn? s- sANS--No smore sthan sa smonth
Why sshouldn't sfilm sbadges sbe sworn sgreater sthan sa smonth? s- sANS--Extreme
ssensitivity sto senvironmental sconditions.
TLD's soperate sthru? s- sANS--Luminescence s(NO schemical srx's soccur)
Pocket sdosimeters scan sonly swork sfor? s- sANS--1 sday sand smust sbe sreset severyday.
Upper sreading slimit sof s200-300 srads
Pocket sdosimeter suses? s- sANS--Electrical scurrent sas sa smeasurement sof scharge.
The stype sof spersonnel smonitor sthat scould sbe sworn sthe slongest sis sthe? s- sANS--
OSD
Optical sstimulated sdetector scan sbe sworn sup sto? s- sANS--3 smonths sand sbe
ssensitive sto s2 smR
Leakage sradiation sshould sNOT sexceed show smuch smR sat s1 smeter sfrom sthe
sscource? s- sANS--100 smR sper shr
0.1 sRad sper shr
NCRP s102
According sto sBushong, stabletop sintensity sshould sNOT sexceed swhat? s- sANS--2.1
smR sper smin sfor seach smA soperating sat s80 skVp.
Under snormal smodes sof soperation, sfluoroscopic sprocedures sshould sNOT sexceed? s-
sANS--10 sRenkens sper smin.
What sdoes sGSD sstand sfor? s- sANS--Genetic sSignificant sDose
What sis sGSD? s- sANS--Average sgonadal sdose sreceived sby san sexposed spopulation.
sIt sis sused sto sestimate sthe sgenetic simpact sof smedical sradiation sdose son sthe sentire
spopulation.
Beam slimiting sdevices swill? s(3) s- sANS--Improve simage squality
Reduce spatient sdose
Reduce sscatter sradiation
The spurpose sof sreducing sadded sfiltration sis sto sreduce sradiation sdose sto? s- sANS--
Patients sskin