IMAGE PRODUCTION - ARRT X-RAY
BOARD EXAM QUESTIONS WITH
CORRECT ANSWERS
The sresistance sof selectric sflow sthrough sa scircuit sis smeasured sin:
A. sVolts
B. sAmperes
C. sOhms
D. sJoules s- sANS--C. sOhms
A scircuit swith sa ssingle spath sfor selectric scurrent sflow sis sdefined sas sa(n):
A. sParallel scircuit
B. sClosed scircuit
C. sSeries scircuit
D. sOpen scircuit s- sANS--C. sSeries scircuit
The sdegree sof sresistance sprovided sby san sindividual sresistor swithin sa scircuit sis
smeasured sin:
A. sVolts
B. sWatts
C. sOhms
D. sAmperes s- sANS--C. sOhms
Within sa scircuit, sthe sletter s( sI s) sis sused sto srepresent
A. sVoltage
B. sResistance
C. sCurrent
D. sWatts s- sANS--C. sCurrent
Within sa sseries scircuit, stotal sresistance scan sbe scalculated sby:
A. sMultiplying sthe sohms sof sall sresistors swithin sthe scircuit
B. sSumming sthe sohms sof sall sresistors swithin sthe scircuit
C. sSubtracting sthe sohms sof sall sresistors swithin sthe scircuit s- sANS--B. sSumming sthe
sohms sof sall sresistors swithin sthe scircuit
,Electrical scurrent sis smeasured sin sunits sof:
A. sWatts
B. sVolts
C. sAmperes
D. sOhms s- sANS--C. sAmperes
What sis sthe stotal scurrent s(in samperes) sof sa sseries scircuit swith s220 svolts sand s20
sohms?
A. s240 samperes
B. s4,400 samperes
C. s11 samperes
D. s220 samperes s- sANS--C. s11 samperes
Within sa sparallel scircuit, sthe sbreaking sof sa ssingle spath swill sstop sthe sfollow sof
selectricity sthroughout sthe sentire scircuit.
A. sTrue
B. sFalse s- sANS--B. sFalse
Removing sa sresistor swithin sa scircuit scan sact sto sincrease sthe stotal svoltage sof sa
scircuit.
A. sTrue
B. sFalse s- sANS--B. sFalse
What sis sthe stotal sresistance sof sa sparallel scircuit swith sthree sresistors sof s6 sohm, s12
sohm, sand s2 sohm?
A. s20 sohms
B. s12 sohms
C. s1.3 sohms s- sANS--C. s1.3 sohms
Total scurrent s(amperes) sis scalculated sby smultiplying stotal svoltage swith stotal
sresistance.
A. sTrue
B. sFalse s- sANS--B. sFalse
Total svoltage sis scalculated sby smultiplying stotal sresistance s(ohms) sby stotal scurrent
s(A).
A. sTrue
B. sFalse s- sANS--A. sTrue
,Within sthe sOhm's striangle, sresistance sis sdiscovered sby s_____________ svolts swith
samps.
A. sMultiplying
B. sDividing
C. sAdding
D. sSquaring s- sANS--B. sDividing
Within sthe sOhm's striangle, stotal svoltage sis sfound sby s_____________ sohms swith
sampers.
A. sAdding
B. sDividing
C. sMultiplying
D. sSquaring s- sANS--C. sMultiplying
What sis sthe svoltage sof sa sparallel scircuit swith sa stotal sresistance sof s5 sohms sand
stotal scurrent sof s0.5 samps?
A. s10 sV
B. s5.5 sV
C. s2.5 sV s- sANS--C. s2.5 sV
Electrical sresistance, smeasured sin sOhms, sis ssometimes srepresented sby sthe sletter:
A. sI
B. sA
C. sO
D. sR s- sANS--D. sR
What sis sthe stotal svoltage sof sa sparallel scircuit sif sthe scircuit shas sa scurrent sof s20 sA
sand sresistance sof s5 sohms?
A. s4 sV
B. s100 sV
C. s0.25 sV s- sANS--B. s100 sV
A snew sx-ray sunit swas sinstalled sat sa slocal shospital. sThe sengineering sdepartment
sneeded sto sknow sthe stotal svoltage sin sorder sto sproperly spower sthe sunit. sOn sone
sside sof sthe sx-ray sunit sthere swas sinformation sstating sthat sthe sunit's scircuit shad s250
sA sand s2,500 sohms. sUsing sthis sinformation, scalculate sthe svoltage.
A. s625,000 sVolts
B. s2,750 sVolts
C. s10 sVolts s- sANS--A. s625,000 sVolts
, The sfirst sX-ray stube swas sreferred sto sas sthe
A. sCoolidge stube
B. sCrookes stube
C. sRoentgen stube
D. sElectrode stube s- sANS--B. sCrookes stube
Modern sx-ray stubes sare sbased son sthis sdesign:
A. sRoentgen stube
B. sCrookes stube
C. sCoolidge stube
D. sCathode sray stube s- sANS--C. sCoolidge stube
The sNational sCouncil sfor sRadiation sProtection s(NCRP) sRequirement sfor sleakage
sradiation sis
A. s< s10R/hr s1 smeter sfrom sthe stube
B. s< s100mR/hr s1 smeter sfrom sthe stube
C. s< s100mr s1 smeter sfrom sthe stube
D. s< s10mr/hr s1 smeter sfrom sthe stube s- sANS--B. s< s100mR/hr s1 smeter sfrom sthe
stube
The ssmall sfilament scauses:
A. sIncreased sexposure
B. sIncreased sdose
C. sIncreased sspatial sresolution
D. sDecreased sexposure stime s- sANS--C. sIncreased sspatial sresolution
The sglass senvelope sof sthe sx-ray stube sis smost scommonly scomposed sof?
A. sOil
B. sLead
C. sTungsten
D. sPyrex s- sANS--D. sPyrex
Which sof sthe sfollowing sare scharacteristic sof sthe sfilaments swithin sthe stube: s
1.Coated swith stungsten s
2.High-melting spoint s
3.Withstand shigh-heat s
4.low-atomic snumber
A. s1 sand s2
B. s2 sand s3
BOARD EXAM QUESTIONS WITH
CORRECT ANSWERS
The sresistance sof selectric sflow sthrough sa scircuit sis smeasured sin:
A. sVolts
B. sAmperes
C. sOhms
D. sJoules s- sANS--C. sOhms
A scircuit swith sa ssingle spath sfor selectric scurrent sflow sis sdefined sas sa(n):
A. sParallel scircuit
B. sClosed scircuit
C. sSeries scircuit
D. sOpen scircuit s- sANS--C. sSeries scircuit
The sdegree sof sresistance sprovided sby san sindividual sresistor swithin sa scircuit sis
smeasured sin:
A. sVolts
B. sWatts
C. sOhms
D. sAmperes s- sANS--C. sOhms
Within sa scircuit, sthe sletter s( sI s) sis sused sto srepresent
A. sVoltage
B. sResistance
C. sCurrent
D. sWatts s- sANS--C. sCurrent
Within sa sseries scircuit, stotal sresistance scan sbe scalculated sby:
A. sMultiplying sthe sohms sof sall sresistors swithin sthe scircuit
B. sSumming sthe sohms sof sall sresistors swithin sthe scircuit
C. sSubtracting sthe sohms sof sall sresistors swithin sthe scircuit s- sANS--B. sSumming sthe
sohms sof sall sresistors swithin sthe scircuit
,Electrical scurrent sis smeasured sin sunits sof:
A. sWatts
B. sVolts
C. sAmperes
D. sOhms s- sANS--C. sAmperes
What sis sthe stotal scurrent s(in samperes) sof sa sseries scircuit swith s220 svolts sand s20
sohms?
A. s240 samperes
B. s4,400 samperes
C. s11 samperes
D. s220 samperes s- sANS--C. s11 samperes
Within sa sparallel scircuit, sthe sbreaking sof sa ssingle spath swill sstop sthe sfollow sof
selectricity sthroughout sthe sentire scircuit.
A. sTrue
B. sFalse s- sANS--B. sFalse
Removing sa sresistor swithin sa scircuit scan sact sto sincrease sthe stotal svoltage sof sa
scircuit.
A. sTrue
B. sFalse s- sANS--B. sFalse
What sis sthe stotal sresistance sof sa sparallel scircuit swith sthree sresistors sof s6 sohm, s12
sohm, sand s2 sohm?
A. s20 sohms
B. s12 sohms
C. s1.3 sohms s- sANS--C. s1.3 sohms
Total scurrent s(amperes) sis scalculated sby smultiplying stotal svoltage swith stotal
sresistance.
A. sTrue
B. sFalse s- sANS--B. sFalse
Total svoltage sis scalculated sby smultiplying stotal sresistance s(ohms) sby stotal scurrent
s(A).
A. sTrue
B. sFalse s- sANS--A. sTrue
,Within sthe sOhm's striangle, sresistance sis sdiscovered sby s_____________ svolts swith
samps.
A. sMultiplying
B. sDividing
C. sAdding
D. sSquaring s- sANS--B. sDividing
Within sthe sOhm's striangle, stotal svoltage sis sfound sby s_____________ sohms swith
sampers.
A. sAdding
B. sDividing
C. sMultiplying
D. sSquaring s- sANS--C. sMultiplying
What sis sthe svoltage sof sa sparallel scircuit swith sa stotal sresistance sof s5 sohms sand
stotal scurrent sof s0.5 samps?
A. s10 sV
B. s5.5 sV
C. s2.5 sV s- sANS--C. s2.5 sV
Electrical sresistance, smeasured sin sOhms, sis ssometimes srepresented sby sthe sletter:
A. sI
B. sA
C. sO
D. sR s- sANS--D. sR
What sis sthe stotal svoltage sof sa sparallel scircuit sif sthe scircuit shas sa scurrent sof s20 sA
sand sresistance sof s5 sohms?
A. s4 sV
B. s100 sV
C. s0.25 sV s- sANS--B. s100 sV
A snew sx-ray sunit swas sinstalled sat sa slocal shospital. sThe sengineering sdepartment
sneeded sto sknow sthe stotal svoltage sin sorder sto sproperly spower sthe sunit. sOn sone
sside sof sthe sx-ray sunit sthere swas sinformation sstating sthat sthe sunit's scircuit shad s250
sA sand s2,500 sohms. sUsing sthis sinformation, scalculate sthe svoltage.
A. s625,000 sVolts
B. s2,750 sVolts
C. s10 sVolts s- sANS--A. s625,000 sVolts
, The sfirst sX-ray stube swas sreferred sto sas sthe
A. sCoolidge stube
B. sCrookes stube
C. sRoentgen stube
D. sElectrode stube s- sANS--B. sCrookes stube
Modern sx-ray stubes sare sbased son sthis sdesign:
A. sRoentgen stube
B. sCrookes stube
C. sCoolidge stube
D. sCathode sray stube s- sANS--C. sCoolidge stube
The sNational sCouncil sfor sRadiation sProtection s(NCRP) sRequirement sfor sleakage
sradiation sis
A. s< s10R/hr s1 smeter sfrom sthe stube
B. s< s100mR/hr s1 smeter sfrom sthe stube
C. s< s100mr s1 smeter sfrom sthe stube
D. s< s10mr/hr s1 smeter sfrom sthe stube s- sANS--B. s< s100mR/hr s1 smeter sfrom sthe
stube
The ssmall sfilament scauses:
A. sIncreased sexposure
B. sIncreased sdose
C. sIncreased sspatial sresolution
D. sDecreased sexposure stime s- sANS--C. sIncreased sspatial sresolution
The sglass senvelope sof sthe sx-ray stube sis smost scommonly scomposed sof?
A. sOil
B. sLead
C. sTungsten
D. sPyrex s- sANS--D. sPyrex
Which sof sthe sfollowing sare scharacteristic sof sthe sfilaments swithin sthe stube: s
1.Coated swith stungsten s
2.High-melting spoint s
3.Withstand shigh-heat s
4.low-atomic snumber
A. s1 sand s2
B. s2 sand s3
