LMRT MOCK BOARD EXAM PREP
QUESTIONS AND CORRECT VERIFIED
ANSWERS
IncreasingA2diagnosticA2filtrationA2fromA22.5A2mmA2toA23.5A2mmA2willA2haveA2whatA2effectA2
onA2x-rayA2beamA2intensity?
A.A2IncreaseA2inA2x-rayA2beamA2intensity
B.A2DecreaseA2inA2x-rayA2beamA2intensity
C.A2NoA2changeA2inA2x-rayA2beamA2intensityA2-A2Ans--B.A2DecreaseA2inA2x-
rayA2beamA2intensity
WhatA2isA2theA2minimumA2requirementA2forA2theA2evaluationA2ofA2holesA2andA2cracksA2ofA2
shieldingA2accessories?
A.A2Annually
B.A2Bi-annually
C.A2Semi-annually
D.A2MonthlyA2-A2Ans--A.A2Annually
WhichA2ofA2theA2listedA2x-
rayA2generatorA2typesA2hasA2theA2leastA2amountA2ofA2voltageA2ripple?
A.A2Three-phase,A2twelveA2pulse
B.A2Single-phase,A2half-wave
C.A2Single-phase,A2full-wave
D.A2Three-phase,A2six-pulseA2-A2Ans--A.A2Three-phase,A2twelveA2pulse
AnA2x-rayA2ofA2theA2sternumA2usesA2aA272-inchA2source-to-
imageA2distanceA2(SID)A2andA2aA210-inchA2byA212-
inchA2imageA2receptor.A2IfA2theA2imageA2ofA2theA2sternumA2measuresA29A2cmA2andA2theA2a
ctualA2sternumA2measuresA26A2cm,A2whatA2isA2theA2magnificationA2factor?
A.A254
B.A21.5
C.A28
D.A20.67A2-A2Ans--B.A21.5
AA2PictureA2ArchivingA2andA2CommunicationA2SystemA2(PACS)A2networkA2isA2usedA2toA2c
onnectA2whichA2threeA2ofA2theA2following?A2(SelectA2three)
I.A2RadiologistA2readingA2station
II.A2ImagingA2Equipment
,III.A2PACSA2servers
IV.A2ElectronicA2MedicalA2RecordA2(EMR)A2-A2Ans--I,A2IIA2andA2III
FederalA2lawA2onA2radiationA2protectionA2requiresA2whichA2twoA2ofA2theA2following?
A2(SelectA2two)
I.A2SignageA2forA2radiationA2areas
II.A2MaintainingA2personnelA2doseA2records
III.A2PublicationA2ofA2personnelA2doseA2records
IV.A2DosimetersA2forA2allA2employeesA2exposedA2toA2radiationA2-A2Ans--IA2andA2II
BecauseA2ofA2theA2bindingA2energyA2ofA2aA2K-
shellA2tungstenA2atom,A2theA2minimumA2electronA2energyA2necessaryA2toA2createA2aA2char
acteristicA2photonA2is:
A.A280A2kiloelectronA2voltsA2(keV)
B.A273A2kiloelectronA2voltsA2(keV)
C.A269.5A2kiloelectronA2voltsA2(keV)
D.A255A2kiloectronA2voltsA2(keV)A2-A2Ans--C.A269.5A2kiloelectronA2voltsA2(keV)
WallsA2thatA2areA2consideredA2toA2beA2secondaryA2barriersA2shouldA2be:
A.A20.25A2mmA2ofA2leadA2thicknessA2andA2beA21.5A2metersA2(5A2feet)A2tall
B.A20.4A2mmA2ofA2leadA2thicknessA2andA2beA21.5A2metersA2(5A2feet)A2tall
C.A20.8A2mmA2ofA2leadA2thicknessA2andA2beA22.1A2metersA2(7A2feet)A2tall
D.A21.6A2mmA2ofA2leadA2thicknessA2andA2beA22.1A2metersA2(7A2feet)A2tallA2-A2Ans--
C.A20.8A2mmA2ofA2leadA2thicknessA2andA2beA22.1A2metersA2(7A2feet)A2tall
TheA2HeimlichA2maneuverA2(abdominalA2thrust)A2isA2usedA2forA2someoneA2who:
A.A2HasA2dyspneaA2whileA2lyingA2supine
B.A2IsA2choking
C.A2IsA2inA2cardiacA2arrest
D.A2HasA2aA2nosebleedA2-A2Ans--B.A2IsA2choking
ExpectantA2mothersA2whoA2areA2technologistsA2shouldA2wearA2aA2fetalA2dosimeterA2atA2w
hatA2location?
A.A2AtA2theA2collar
B.A2AtA2theA2thyroid
C.A2AtA2theA2waist
D.A2OutsideA2theA2apronA2-A2Ans--C.A2AtA2theA2waist
DiabetesA2mellitusA2isA2aA2metabolicA2diseaseA2resultingA2fromA2aA2chronicA2disorderA2of:
A.A2FatA2metabolism
, B.A2BileA2production
C.A2ReninA2production
D.A2BloodA2glucoseA2metabolismA2-A2Ans--D.A2BloodA2glucoseA2metabolism
IfA2theA2generatorA2youA2areA2usingA2hasA21000A2milliampereA2(mA)A2capacityA2andA2your
A2techniqueA2isA220A2milliampere-
secondsA2(mAs)A2atA274A2kilovoltageA2peakA2(kVp),A2whatA2isA2theA2shortestA2exposureA2ti
meA2possible?
A.A20.02A2seconds
B.A20.2A2seconds
C.A250A2seconds
D.A25.0A2secondsA2-A2Ans--A.A20.02A2seconds
TheA2mainA2purposeA2ofA2addingA2filtrationA2toA2theA2x-rayA2tubeA2isA2to:
A.A2DecreaseA2occupationalA2dose
B.A2IncreaseA2spatialA2resolution
C.A2DecreaseA2patientA2dose
D.A2IncreaseA2imageA2contrastA2-A2Ans--C.A2DecreaseA2patientA2dose
AnA2anteroposteriorA2(AP)A2chestA2x-rayA2wasA2obtainedA2atA2aA240-inchA2source-to-
imageA2distanceA2(SID),A23.5A2milliampere-
secondsA2(mAs),A2110A2kilovoltageA2peakA2(kVp),A2andA2aA212:1A2grid.A2WhichA2technicalA
2factorA2changeA2wouldA2increaseA2imageA2receptorA2exposure?
A.A2DecreasedA2kVp
B.A2IncreasedA2SID
C.A2DecreasedA2mAs
D.A2DecreasedA2gridA2ratioA2-A2Ans--D.A2DecreasedA2gridA2ratio
RadiationA2safetyA2standardsA2requireA2thatA2collimatorsA2beA2accurateA2withinA2whatA2pe
rcentageA2ofA2theA2source-to-imageA2distanceA2(SID)?
A.A22%
B.A210%
C.A25%
D.A225%A2-A2Ans--A.A22%
WhichA2ofA2theA2followingA2threeA2signs/
symptomsA2belowA2thatA2wouldA2indicateA2aA2patientA2isA2goingA2intoA2shock?
A2(SelectA2three)
I.A2IncreasedA2urination
II.A2Pallor
III.A2Coughing
QUESTIONS AND CORRECT VERIFIED
ANSWERS
IncreasingA2diagnosticA2filtrationA2fromA22.5A2mmA2toA23.5A2mmA2willA2haveA2whatA2effectA2
onA2x-rayA2beamA2intensity?
A.A2IncreaseA2inA2x-rayA2beamA2intensity
B.A2DecreaseA2inA2x-rayA2beamA2intensity
C.A2NoA2changeA2inA2x-rayA2beamA2intensityA2-A2Ans--B.A2DecreaseA2inA2x-
rayA2beamA2intensity
WhatA2isA2theA2minimumA2requirementA2forA2theA2evaluationA2ofA2holesA2andA2cracksA2ofA2
shieldingA2accessories?
A.A2Annually
B.A2Bi-annually
C.A2Semi-annually
D.A2MonthlyA2-A2Ans--A.A2Annually
WhichA2ofA2theA2listedA2x-
rayA2generatorA2typesA2hasA2theA2leastA2amountA2ofA2voltageA2ripple?
A.A2Three-phase,A2twelveA2pulse
B.A2Single-phase,A2half-wave
C.A2Single-phase,A2full-wave
D.A2Three-phase,A2six-pulseA2-A2Ans--A.A2Three-phase,A2twelveA2pulse
AnA2x-rayA2ofA2theA2sternumA2usesA2aA272-inchA2source-to-
imageA2distanceA2(SID)A2andA2aA210-inchA2byA212-
inchA2imageA2receptor.A2IfA2theA2imageA2ofA2theA2sternumA2measuresA29A2cmA2andA2theA2a
ctualA2sternumA2measuresA26A2cm,A2whatA2isA2theA2magnificationA2factor?
A.A254
B.A21.5
C.A28
D.A20.67A2-A2Ans--B.A21.5
AA2PictureA2ArchivingA2andA2CommunicationA2SystemA2(PACS)A2networkA2isA2usedA2toA2c
onnectA2whichA2threeA2ofA2theA2following?A2(SelectA2three)
I.A2RadiologistA2readingA2station
II.A2ImagingA2Equipment
,III.A2PACSA2servers
IV.A2ElectronicA2MedicalA2RecordA2(EMR)A2-A2Ans--I,A2IIA2andA2III
FederalA2lawA2onA2radiationA2protectionA2requiresA2whichA2twoA2ofA2theA2following?
A2(SelectA2two)
I.A2SignageA2forA2radiationA2areas
II.A2MaintainingA2personnelA2doseA2records
III.A2PublicationA2ofA2personnelA2doseA2records
IV.A2DosimetersA2forA2allA2employeesA2exposedA2toA2radiationA2-A2Ans--IA2andA2II
BecauseA2ofA2theA2bindingA2energyA2ofA2aA2K-
shellA2tungstenA2atom,A2theA2minimumA2electronA2energyA2necessaryA2toA2createA2aA2char
acteristicA2photonA2is:
A.A280A2kiloelectronA2voltsA2(keV)
B.A273A2kiloelectronA2voltsA2(keV)
C.A269.5A2kiloelectronA2voltsA2(keV)
D.A255A2kiloectronA2voltsA2(keV)A2-A2Ans--C.A269.5A2kiloelectronA2voltsA2(keV)
WallsA2thatA2areA2consideredA2toA2beA2secondaryA2barriersA2shouldA2be:
A.A20.25A2mmA2ofA2leadA2thicknessA2andA2beA21.5A2metersA2(5A2feet)A2tall
B.A20.4A2mmA2ofA2leadA2thicknessA2andA2beA21.5A2metersA2(5A2feet)A2tall
C.A20.8A2mmA2ofA2leadA2thicknessA2andA2beA22.1A2metersA2(7A2feet)A2tall
D.A21.6A2mmA2ofA2leadA2thicknessA2andA2beA22.1A2metersA2(7A2feet)A2tallA2-A2Ans--
C.A20.8A2mmA2ofA2leadA2thicknessA2andA2beA22.1A2metersA2(7A2feet)A2tall
TheA2HeimlichA2maneuverA2(abdominalA2thrust)A2isA2usedA2forA2someoneA2who:
A.A2HasA2dyspneaA2whileA2lyingA2supine
B.A2IsA2choking
C.A2IsA2inA2cardiacA2arrest
D.A2HasA2aA2nosebleedA2-A2Ans--B.A2IsA2choking
ExpectantA2mothersA2whoA2areA2technologistsA2shouldA2wearA2aA2fetalA2dosimeterA2atA2w
hatA2location?
A.A2AtA2theA2collar
B.A2AtA2theA2thyroid
C.A2AtA2theA2waist
D.A2OutsideA2theA2apronA2-A2Ans--C.A2AtA2theA2waist
DiabetesA2mellitusA2isA2aA2metabolicA2diseaseA2resultingA2fromA2aA2chronicA2disorderA2of:
A.A2FatA2metabolism
, B.A2BileA2production
C.A2ReninA2production
D.A2BloodA2glucoseA2metabolismA2-A2Ans--D.A2BloodA2glucoseA2metabolism
IfA2theA2generatorA2youA2areA2usingA2hasA21000A2milliampereA2(mA)A2capacityA2andA2your
A2techniqueA2isA220A2milliampere-
secondsA2(mAs)A2atA274A2kilovoltageA2peakA2(kVp),A2whatA2isA2theA2shortestA2exposureA2ti
meA2possible?
A.A20.02A2seconds
B.A20.2A2seconds
C.A250A2seconds
D.A25.0A2secondsA2-A2Ans--A.A20.02A2seconds
TheA2mainA2purposeA2ofA2addingA2filtrationA2toA2theA2x-rayA2tubeA2isA2to:
A.A2DecreaseA2occupationalA2dose
B.A2IncreaseA2spatialA2resolution
C.A2DecreaseA2patientA2dose
D.A2IncreaseA2imageA2contrastA2-A2Ans--C.A2DecreaseA2patientA2dose
AnA2anteroposteriorA2(AP)A2chestA2x-rayA2wasA2obtainedA2atA2aA240-inchA2source-to-
imageA2distanceA2(SID),A23.5A2milliampere-
secondsA2(mAs),A2110A2kilovoltageA2peakA2(kVp),A2andA2aA212:1A2grid.A2WhichA2technicalA
2factorA2changeA2wouldA2increaseA2imageA2receptorA2exposure?
A.A2DecreasedA2kVp
B.A2IncreasedA2SID
C.A2DecreasedA2mAs
D.A2DecreasedA2gridA2ratioA2-A2Ans--D.A2DecreasedA2gridA2ratio
RadiationA2safetyA2standardsA2requireA2thatA2collimatorsA2beA2accurateA2withinA2whatA2pe
rcentageA2ofA2theA2source-to-imageA2distanceA2(SID)?
A.A22%
B.A210%
C.A25%
D.A225%A2-A2Ans--A.A22%
WhichA2ofA2theA2followingA2threeA2signs/
symptomsA2belowA2thatA2wouldA2indicateA2aA2patientA2isA2goingA2intoA2shock?
A2(SelectA2three)
I.A2IncreasedA2urination
II.A2Pallor
III.A2Coughing