RADT 100 FINAL EXAM WITH 100- CORRECT ANSWERS.

Radt 100 Final Exam With 100% v v v v v




Correct Answers v v




Three vthings vhelped vpave vthe vway vto vthe vdiscovery vof vx‐rays v- vcorrect vanswer-1.
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vElectricity
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2. vVacuums
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3. vImage‐Recording vMaterials
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who vdiscovered vto vthe vconcept vof velectromagnetic vinduction vand vhow? v- vcorrect
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vanswer-1831 v- vMichael vFaraday vinduced velectric vcurrent vby vmoving va vmagnet vin
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vand vout vof va vcoil
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Who vproduced vthe vfirst vradiograph, vbut vwasn't vcredited vfor vx-ray vdiscovery? v-
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vcorrect vanswer-William vGoodspeed vproduced va vradiograph vin v1890
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• vHe vwas vnot vcredited vwith vdiscovery vof vX‐ vrays
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Who vwas vcredited vof vdisocvering vx v-rays? v- vcorrect vanswer-William vRoentgen
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He vbecame vinterested vin vcathode vray vexperiment vwith vthe vCrooke's vtube
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• vHe vworked vwith vthis vtube vuntil vhe vdiscovered vx‐rays
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Tell vme vabout vThomas vEdison: v- vcorrect vanswer-Thomas vEdison
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• vPrimary vconcern vwas vworking vwith
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fluoroscopy
• vDiscovered vthe vuse vof vcalcium vtungstate vover vbarium vplatinocyanide
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Radioactivity v- vcorrect vanswer-here vcertain velements vspontaneously vemit vray vor
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vsubatomic vparticles vfrom vmatter
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What v3 vwere vawarded vthe vnobel vprize vfor vtheir vwork? v- vcorrect vanswer-Pierre
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vand v
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Marie vCurie, vand v v v v




Henri vBecquerel v v v




were vawarded vthe vNobel vprize vfor vtheir vwork
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Are vtubes vnow vcapable vof vproducing vaccurate vmultiple vexposures? v- vcorrect
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vanswer-True
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, Improvements vin vcassettes, vfilm vholders, vand vimage vreceptors vhave vmade vthem v v v v v v v v v v




v... v- vcorrect vanswer-durable vand v
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require vless vradiation v-> vmake vaccurate vdiagnoses.
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Specialized vAreas v- vcorrect vanswer-Radiation vTherapy v- vnot vdiagnostic v v v v v v v v




v- vTherapy vinvolves vtreating va vpatient vwho vis valready vdiagnosed vwith va vdisease.
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Nuclear vMedicine v‐ vradiopharmeceuticals v v v




Sonography v- vsound vwaves v v v




Special vProcedures v- vInterventional vradiology vMammography v- vof vthe vbreast;
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vused vto vdetect vbreast vcancer; vused vto vscreen vlarge vsegments vof vthe vpopulation
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Tracers v v




(think vartificially vproduced; vnuc. vmed) v- vcorrect vanswer-Tracers vare va vsubstance
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vthat vemits vradiation
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All vof vthe vradioactive vcompounds v(tracers) vused vin vnuclear vmedicine, voften vcalled
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vradionuclides vor vradiopharmaceuticals, vare vartificially vproduced.
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The vnuclear vmedicine vtechnologist vmight valso vhave vto vadminister vradioactive
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vmaterial vto vpatients vto vtreat va vspecific vdisease.
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Components vof vSonography? v- vcorrect vanswer-uses vhigh vfrequency vsound vwaves v v v v v v v v v




vto vform van vimage.
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vTransducer
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vUltrasound vbeam
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vAn vimage vdisplay von va vcathode vray vtube vor vtelevision vmonitor
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• vTransducer vserves vtwo vpurposes:
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v- vTRANSMITS vsound vin vpulses vand vbursts
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v- vSENSES vthe vechoes vthat vare vreturning vfrom vthe vprevious vpulse
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Interventional vradiology v- vcorrect vanswer-exams vthat vmay vimprove va vpatient's v v v v v v v v v




vcondition
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• vCan vhelp vthe vpatient vnot vhave vto vhave vsurgery v- v
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Examples:
• vremoval vof vbile vducts vor vrenal vstones v
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• vpostoperative vabscess vdrainage
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• vselective vcancer vtherapy
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vAngiographic vstudies vare vperformed:
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- vTo vdemonstrate vany vvascular vAbnormalities
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- vDemonstrate vPathology vin vthe vsurrounding vtissue vand vorgans
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Purpose vof vMRI v- vcorrect vanswer-To vobtain v2D vviews vof van vinternal vorgan vor
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vstructure,
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v(especially vthe vbrain vand vspinal vcord)
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v vTo vassess vresponse vto vtreatment, v
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