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LXMO Exam with correct answers
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LXMO Exam with correct answers
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LXMO Exam with correct answersRectification kConstant k- kANSWER: k k➡ kA kvalue kof kthe kheat kunit kformula kthat kvaries kdepending
kon kthe kgenerator kused.
Generators kused kin kRadiography k- kANSWER: k k➡ ksingle kphase kgenerator kdelivers kpulsating
kx-ray kbeam k(1), kThree kphase kgenerator k= k3 kphase k6 kpulse kmachine k(1.35) k, kHigh kfrequency
kgenerator k= k3 kphase k12 kpulse kmachine k(1.41)
Rectification k- kANSWER: k k➡ kThe krectifier kof kthe kx-ray ktube kchanges kalternating kcurrent k(AC)
kto kdirect kcurrent k(DC). kThis kprocess kensures kthat kthe kx-ray kproduction kflows kin kthe kright
kdirection; kfrom kthe kfilament kto kthe ktarget.
Heat kUnit k(HUs) kFormula k- kANSWER: k k➡ kKVP kx kMA kx kTime kx k(rectification kconstant) k= kHUs
Cumulative kMPD k- kANSWER: k k➡ kCumulative kMaximum kPermissible kDose kis kthe ktotal kamount
kof kradiation kthat kan kx-ray kworker kcould khave kbeen kexposed kto ksince kthe kage kof k18 kaccording
kto kNCRP k(National kCouncil kon kRadiation kprotection.)
Cumulative kMPD kFormula k- kANSWER: k k➡ kCMPD k= k5 k(N-18) kThe k"N" kin kthe kequation krefers kto
kthe kcurrent kage kof kthe kworker, kalways ksubtract k18 kfrom kthe kcurrent kage kbefore kmultiplying
kby k5. k5 krefers kto kthe knumber kof kREMS kper kyear kthat kis kmax kfor kworker.
Inverse ksquare klaw k- kANSWER: k k➡ kThe kcloser kyou kare kto kthe ksource kof kradiation, kthe kmore
kexposure kyou kwill kreceive kand kvice-versa. kAs kdistance kincreases, kexposure kdecreases; kas
kdistance kdecreases, kexposure kincreases.
Inverse ksquare klaw kformula k- kANSWER: k k➡ ki1/ ki2 k= k(D2)2 k/ k(D1)2 ki2 kwill kbe kthe kunknown k(x).
kTo kmake kit keasier kto ksolve, ksquare kthe kvalues kfirst kthe kcross kmultiply kand kdivide.
Ampere k"A" k- kANSWER: k k➡ kUnit kused kto kmeasure kthe krate, kor kvolume, kof kcurrent kflow kin kthe
kcircuit. kX-ray kcircuit kcontains k0.3 kA
, Potential kDifference k- kANSWER: k k➡ kIs kthe kforce kor kspeed kof kthe kelectron kflow kin kthe kcurrent.
kThe kvolt k"V" kis kused kto kmeasure kthe kpotential kdifference. kx-ray kcircuit kcontains k120,000V
Diode k- kANSWER: k k➡ kAllows kelectrons kto kflow konly kin kone kdirection.
Transformer k- kANSWER: k k➡ kIncreases kor kdecreases kvoltage kby kfixed kamount k(AC konly)
Sine kwave k- kANSWER: k k➡ kEnergy kexpressed kin ka krecurring kwave-form.
Wavelength k- kANSWER: k k➡ kThe kdistance kfrom kcrest kto kcrest kin ka ksine kwave
Frequency k- kANSWER: k k➡ kThe knumber kof ktimes kper ksecond kthat ka kcrest kpasses ka kgiven
kpoint.
Kilovoltage k(Kvp) k- kANSWER: k k➡ kVoltage kis kmeasured kat kthe kpeak kof kthe kelectric kcycle. kKvp
kcontrols kthe kenergy k(wavelengths) kor kpenetrating kpower kof kx-ray kbeam. kX-rays kwith kshorter
kwavelengths khave kmore kpower.
Anode kHeel keffect k- kANSWER: k k➡ kUneven kdistribution kof kradiation kintensity kin kthe kx-ray
kbeam. kX krays kthat kare kdirected kaway kfrom kthe kcathode kare kmore klikely kto kbe kabsorbed kthan
kthose kdirected ktoward kit.
Actual kfocal kspot k- kANSWER: k k➡ kArea kon kthe ktarget ksurface kthat kis kstruck kby kthe kelectron
ksteam.
Effective kfocal kspot k- kANSWER: k k➡ kRefers kto kthe kvertical kprojection k(which kwill kvary kbased
kon kdegree kof kangulation) kof kthe kactual kfocal kspot konto kthe kpatient kand kimage kreceptor. kThe
ksize kof kthe keffective kfocal kspot kinfluences kthe kresolution kin kthe kimage.
Focal kSpot k- kANSWER: k k➡ kPrecise karea kon kthe ktarget
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