MOCK OSCE EXAM QUESTIONS WITH CORRECT ANSWERS 2025

MOCK OSCE EXAM QUESTIONS WITH
CORRECT ANSWERS 2025
KVpBdefinitionB-BCORRECTBANSWERB--BmaximumBvoltageBappliedBacrossBx-
rayBtube.BDeterminesBimageBcontrast.



MAsBdefinitionB-BCORRECTBANSWERB--
BcontrolsBtubeBcurrentB+BhowBmanyBelectronsBproducedBatBcathode.BDeterminesBimageBdensity.




KevBdefinitionB-BCORRECTBANSWERB--BunitBofBenergyBofBX-
rayBphoton.BDeterminesBwhetherBhardBorBsoftBx-ray



WhatBareBtheB5BattenuationBinteractionsBthatBcanBoccurBbetweenBx-
rayBphotonsBandBmatter,BandBwhichB2BinteractionsBdoBweBfindBwithinBdiagnosticBradiographyB(7Bm
arks)B-BCORRECTBANSWERB--BphotoelectricBabsorptionB(occursBinBdiagnosticBimaging)

-BcomptonBscatterB(occursBinBdiagnosticBimaging)

-BpairBproductionB

-BphotoBdisintegrationB

-BcoherentBscatter



WhatBareBtheBcharacteristicsBofBradiationB-BCORRECTBANSWERB--BquantityB

-BqualityB

-BintensityB

-Battenuation



DefinitionsBofBcharacteristicsBofBradiationB-BCORRECTBANSWERB--
BquantityB=B.noBofBphotonsBinBbeamB



-BqualityB=BenergiesBofBphotons

,-BintensityB=B(n.oBofBphotons)BxB(energyBofBphotons)

-BattenuationB=BdecreasedBinBintensityBofBbeamBasBitBtravelsBthroughBmatter



AbbreviationsBofB(3Bmarks)

-BkVp

-BmAs

-BkevB-BCORRECTBANSWERB--BkilovoltageBpeak

-BmilliampsBxBsecondB

-BkiloelectronBvolt



WhatBeffectBdoesBanBincreaseBofBkVpBhaveBonBtheBnumberBofBphotonsBinBtheBx-
rayBbeamBandBtheirBenergyB(2Bmarks)B-BCORRECTBANSWERB--
BproducesBaBgreaterBpercentageBofBscatterB



-



WhatBisBtheBpurposeBofBtheBvacuumBwithinBtheBx-rayBtubeB(2Bmarks)B-BCORRECTBANSWERB--
BkeepBelectronsBfromBstraying



-BprovideBelectricalBinsulationB

-BsupportBcomponents



PleaseBstateBtheB5BmainBradiographicBdensitiesB(5Bmarks)B-BCORRECTBANSWERB--BairB

-BfatB

-BwaterB(softBtissue)B

-Bbone

-Bmetal



PleaseBstateB5BpropertiesBofBx-rayB(5Bmarks)B-BCORRECTBANSWERB--BnoBmass

, -BinvisibleB

-BtravelBatBspeedBlightB

-BhighlyBpenetrating

-BcauseBcertainBsubstancesBtoBfluoresce

-BproduceBsecondaryBradiationB

-BcanBionizeBmatter



WhatBisBtheBnameBofBtheBpointBonBtheBanodeBtargetBatBwhichBtheBelectronsBinteractBtoBproduceBth
eBx-rayBbeamB(1Bmark)B-BCORRECTBANSWERB--BfocalBspot



WhatBthicknessBofBaluminiumBequivalentBfiltrationBmustBlegallyBbeBmanufacturedBintoBanBx-
rayBtubB(1Bmark)B-BCORRECTBANSWERB--B2.55Bmm



DefineB'gridBratio'B(2Bmarks)B-BCORRECTBANSWERB--
BratioBofBheightBofBtheBleadBstripsBtoBtheBdistanceBbetweenBtwoBstrips




StateBthreeBdisadvantagesBofButilisingBtheBairBgapBtechniqueB(3Bmarks)B-BCORRECTBANSWERB--
BincreasesBmagnification



-BincreasesBdistortionB

-BimpracticalBforBlargeBbodyBparts



ListBinBorderBofBofBradiosensitivity,BwithBmostBradiosensitiveBatBtop,BleastBradiosensitiveBatBbottomB
(7Bmarks):B

-BdigestiveBsystem

-Bskin

-BnervousBsystem

-BbloodBformingBorgans