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Fluoro Q Bank with correct Answers
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Fluoro Q Bank with correct Answers
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Fluoro Q Bank with correct AnswersA iidiagnostic iifluoroscopy iiexam iiusually iiuses iiaround iiwhat iidose iirate? ii- iiCorrect
iiAnswers ii-Typical iifluoroscopic iiexam iidose iirates iirange iifrom ii1-5 iirads/minute iiand
iishould iinot iiexceed ii5 iirads/minute. iiThey iitypically iilast iifrom ii5-15 iiminutes.
Syllabus iipg ii44
In iidigital iiimaging, iiif iithe iifield iiof iiview ii(FOV) iiis iiheld iiconstant, iiwhich iiof iithe
iifollowing iiwill iiimprove iispatial iiresolution? ii- iiCorrect iiAnswers ii-Increasing iithe iinumber
iiof iipixels iiand iidecreasing iithe iipixel iisize iiwill iiincrease iispatial iiresolution. iiIncreasing
iithe iimatrix iisize ii(which iialso iidecreases iithe iipixel iisize) iiwill iialso iiincrease iispatial
iiresolution.
Radiation iiprotection iiguidelines iiare iibased iion iiwhat iidose-effect iicurve? ii- iiCorrect
iiAnswers ii-Radiation iiprotection iiguidelines iiare iibased iion iia iinonthreshold, iilinear
iidose-effect iicurve. iiUnder iithis iiassumption iiany iidose, iino iimatter iihow iismall, iiis
iiconsidered iito iihave iisome iidegree iiof iieffect. ii
Syllabus iipg ii63.
Genetically iiSignificant iiDose ii(GSD) ii- iiCorrect iiAnswers ii-The iigenetically iisignificant
iidose iiwas iideveloped iito iiestimate iithe iimagnitude iiof iigenetic iieffects iicaused iiby
iiradiation iiexposure iito iithe iipopulation. iiIt iidoes iinot, iihowever, iipredict iior iiforecast
iiwhat iiadverse iieffects iian iiindividual iior iitheir iioffspring iimay iihave. ii
Syllabus iipg ii61.
Cell iisize iiand iieffect iiof iiradiation iiexposure ii- iiCorrect iiAnswers ii-The iibiologic iieffects
iiof iiradiation iido iinot iichange iiwith iicell iisize. ii
Syllabus iipg ii62.
This iitype iiof iiimage iireceptor iican iiuse iieither iidirect iior iiindirect iimethods iito iiconvert iix-
rays iiinto iian iielectrical iicharge. ii- iiCorrect iiAnswers ii-Flat iipanel iidetectors iiconvert iix-
rays iiinto iian iielectrical iicharge iiusing iian iiarray ii(matrix) iiof iidetector iielements. iiThere
iiare iitwo iidifferent iimethods iiused iiin iiflat iipanel iidetectors iito iiconvert iix-rays iiinto iian
iielectrical iisignal: iidirect iiand iiindirect. iiDirect iidetectors iiuse iia iisemiconductive iimaterial
iito iiconvert iix-rays iidirectly iiinto iian iielectrical iisignal, iiwhereas iiindirect iidetectors
iiconvert iix-rays iiinto iilight iiphotons iithat iiare iithen iiconverted iiinto iian iielectrical iicharge.
,Which iitissue iidose iiis iian iiindicator iiof iiinternal iiorgan iidoses iithat iiare iisensitive iito
iicancer iiinduction? ii- iiCorrect iiAnswers ii-Bone iimarrow iidose iiis iia iireasonable iiindicator
iiof iidoses iito iiinternal iiorgans iithat iiare iisensitive iito iicancer iiinduction, iisuch iias iithe
iilung iiand iiGI iitract. iiSince iimortality iirates iifrom iicancer iiin iithese iiorgans iiare iihigh,
iibone iimarrow iidose iiis iiconsidered iia iireasonable iiindicator iiof iisomatic iieffects. ii
Syllabus iipg ii60.
Where iimust iithe iiBucky iitray iibe iilocated iiduring iifluoroscopy? ii- iiCorrect iiAnswers ii-The
iibucky iitray iimust iibe iiparked iiat iithe iifoot iiend iiof iithe iiexamination iitable.
Which iicell iiline iiis iiused iias iian iiindicator iiof iisomatic iieffects iiof iiradiation? ii- iiCorrect
iiAnswers ii-Bone iimarrow iiis iivery iisensitive iito iiradiation iiand iibone iimarrow iidoses iiare
iireasonable iiindicators iiof iidoses iito iiother iiinternal iiorgans iithat iiare iisensitive iito
iicancer ii(lung, iigastrointestinal). iiSince iithe iimortality iiassociated iiwith iithese iicancers iiis
iihigh, iibone iimarrow iidose iiis iiused iias iian iiindicator iiof iisomatic iieffects iiof iiradiation. ii
Syllabus iipg ii60.
Unnecessary iiradiation iiexposure iiis iimost iicommonly iicaused iiby iithe iioperator iinot
iidoing iiwhat? ii- iiCorrect iiAnswers ii-Collimation iiis iithe iiact iiof iinarrowing iithe iibeam iiof
iix-rays iiand iiallows iithe iioperator iito iifocus iion iian iiarea iiof iiinterest iiwhile iialso iiusing
iifewer iix-rays iito iiimage. iiCollimation iiis iione iiof iithe iimost iiimportant iiactions iia
iifluoroscopist iican iitake iiin iiorder iito iiavoid iiunnecessary iiradiation iiexposure. ii
Syllabus iipg ii6.
When iican iithe iiexposure iirate iiat iithe iitabletop iiexceed ii10 iirads/min? ii- iiCorrect
iiAnswers ii-For iiroutine iifluoroscopy iithe iidose iiat iithe iitabletop iishould iinot iiexceed ii10
iirads/min. iiThis iilimit iidoes iinot iiapply iiduring iimagnification iiprocedures iior iifor
iirecording iiof iifluoroscopic iiimages iiwhere iihigher iiexposure iirates iiare iirequired. iiLarge
iipatients iimay iirequire iilarger iidoses iiof iiradiation iidue iito iithe iiincreased iiattenuation iiof
iithe iiprimary iix-ray iibeam iithrough iithe iipatient's iiskin iiand iisoft iitissue.
Positioning iisponges iiare ii______ iiand iipositioning iisandbags iiare ii_____. ii- iiCorrect
iiAnswers ii-Positioning iisponges iiare iiraciolucent, iiwhereas iisandbags iiare iiradiopaque.
The iiHalf-Value iiLayer ii(HVL) iiis iidefined iias: ii- iiCorrect iiAnswers ii-Half-Value iiLayer iiis
iidefined iias iithe iithickness iiof iian iiabsorbing iimaterial iinecessary iito iireduce iian iix-ray iito
iihalf iiits iioriginal iiintensity. ii
Syllabus iipg ii39.
The iivisual iiacuity iiof iirods ii(scotopic iivision) iiis ii____ iicompared iito iicones ii(photopic
iivision). ii- iiCorrect iiAnswers ii-Cones iifunction iiin iidaylight ii(photopic iivision) iito iiperceive
,iicolor, iiwhile iirods iifunction iiat iinight ii(scotopic iivision) iito iiperceive iigrays. iiThe iivisual
iiacuity iiof iicones iiis iibetter iithan iithat iiof iirods, iibut iicones iirequire iidaylight ii(photopic)
iilevels iiof iilight iito iifunction. ii
Syllabus iipg ii77.
Genetically iisignificant iidose iiis iidetermined iiby: ii- iiCorrect iiAnswers ii-The iigenetically
iisignificant iidose iiis iithe iidose iireceived iiby iievery iimember iiof iithe iipopulation iithat
iiwould iibe iiexpected iito iiproduce iithe iisame iitotal iigenetic iieffect iion iithe iipopulation iias
iithe iisum iiof iithe iiindividual iidoses iithat iiare iiactually iireceived. ii
Syllabus iipg ii61.
This iirefers iito iia iiradiation iidose iiwith iia iithreshold, iiand iiwith iia iiseverity iiof iieffect iithat
iivaries iiwith iidose ii- iiCorrect iiAnswers ii-Nonstochastic iieffects iiare iithose iifor iiwhich iithe
iiseverity iivaries iiwith iiradiation iidose iiand iifor iiwhich iithere iimay iibe iia iithreshold.
iiDeterministic iiis iisynonymous iiwith iinonstochastic. ii
Syllabus iipg ii68.
Which iisource iiaccounts iifor iithe iimajority iiof iithe iipopulation's iiexposure iifrom iiman-
made iiradiation? ii- iiCorrect iiAnswers ii-Over ii90% iiof iithe iiaverage iipopulations
iiexposure iifrom iiman-made iiradiation iisources iicomes iifrom iimedical iiuses iiof iiradiation.
ii
Syllabus iipg iiv.
Gray iiis iia iiunit iiof: ii- iiCorrect iiAnswers ii-Commonly iiused iiradiation iimetrics iiinclude iithe
iiabsorbed iidose iiand iithe iidose iiequivalent. iiAbsorbed iidose iiis iiused iito iiexpress iithe
iiamount iiof iiradiation iiabsorbed iiby iitissue. iiUnits iiof iiabsorbed iidose iiinclude iiGray iiand
iiRad. iiDose iiequivalent iiwas iidevised iidue iito iithe iifact iithat iithe iisame iiabsorbed iidose
iiin iirads iidelivered iiby iidifferent iikinds iiof iiradiation iidoes iinot iiproduce iithe iisame
iidegree iiof iibiological iieffects. iiUnits iiof iidose iiequivalent iiinclude iiSievert iiand iiRem. ii
Syllabus iipg ii79.
What iicomponent iiof iia iifluoroscopic iisystem iispeeds iiup iielectrons? ii- iiCorrect iiAnswers
ii-After iix-rays iipass iithrough iia iipatient iithey iistrike iithe iiimage iiintensifier's iiinput
iiphosphor. iiThis iilayer iiabsorbs iix-rays iiand iiconverts iitheir iienergy iiinto iilight iiphotons
iiproportional iito iithe iiintensity iiof iithe iix-ray iibeam. iiThe iilight iiphotons iiimpact iion iithe
iiphotocathode, iicausing iielectrons iito iibe iigiven iioff. iiThe iiaccelerating iianode iithen
iispeeds iiup iithese iielectrons, iiwhere iithey iiare iifocused iiby iithe iielectrostatic iilens iionto
iithe iioutput iiphosphor. ii
Syllabus iipg ii17.
, Aprons iiof iiat iileast ii0.25 iimm iilead iiequivalent iimust iibe iiworn iiif iithe iioperator iiis iilikely
iito iireceive iiat iileast iiwhat iidose iiof iiradiation? ii- iiCorrect iiAnswers ii-Aprons iiof iiat iileast
ii0.25 iimm iilead iiequivalent iimust iibe iiworn iiif iithe iioperator iiis iilikely iito iireceive iiat iileast
ii5 iimillirads/hr iior iimore iiof iiradiation.
How iithick ii(in iilead iiequivalent) iimust iiprotective iicurtains iibe? ii- iiCorrect iiAnswers ii-
Protective iicurtains iimust iibe iiat iileast ii0.25 iimm iilead iiequivalent iiand iishould iibe
iipositioned iibetween iithe iipatient iiand iithe iifluoroscopist. ii
Syllabus iipg ii70.
What iibarrier iiis iirequired iifor iithe iiwalls, iifloor iiand iiceiling iiexposed iito iithe iiprimary
iibeam? ii- iiCorrect iiAnswers ii-Any iibarrier iithat iiis iiexposed iito iithe iiprimary iibeam iiis
iiconsidered iia iiprimary iibarrier iiand iimust iibe iisufficient iito iisignificantly iiblock iithe
iiprimary iibeam.
Which iidevice iisynchronizes iithe iipulses iiof iivoltage iito iiproduce iia iivideo iisignal? ii-
iiCorrect iiAnswers ii-The iioutput iiphosphor iiof iian iiimage iiintensifier iitube iiis iitypically
iicoupled iito iia iitelevision iicamera, iiwhich iiconverts iithe iielectron iisignal iiinto iia iivideo
iisignal. iiThis iisignal iiis iitransmitted iithrough iia iicable iito iithe iicamera iicontrol iiunit,
iiwhere iiit iiis iiamplified iiand iiforwarded iito iithe iitelevision iimonitor. iiThe iicamera iicontrol
iiunit iialso iifocuses iiand iisynchronizes iithe iivideo iisignal. ii
Syllabus iipg ii25.
Exposure iito iian iioperator iiwho iiis iiwearing iia iilead iiapron iiand iifacing iithe iipatient
iioccurs iiprimarily iiwhere? ii- iiCorrect iiAnswers ii-Operator iibone iimarrow iiexposure iiwhen
iiwearing iilead iiand iifacing iithe iipatient iioccurrs iiprimarily iiin iithe iiskull, iiarms iiand
iiclavicles. ii
Syllabus iipg ii70.
This iipersonnel iimonitoring iidevice iidischarges iia iicapacitor iiby iithe iiionization iiof iiair
iiwhen iiin iithe iipresence iiof iiradiation: ii- iiCorrect iiAnswers ii-Pocket iiionization iichambers
iidischarge iia iicapacitor iiby iiionization iiof iiair iiwithin iia iichamber iiwhen iiin iithe iipresence
iiof iiionizing iiradiation. iiThe iirate iiof iidischarge iidepends iion iithe iiintensity iiof iithe
iiradiation. iiThey iiare iieither iiself-reading, iior iiare iiread iiby iia iispecial iidevice. iiThe iiself-
reading iiversions iiallow iiimmediate iireading iiof iiradiation iiexposure iiby iithe iioperator. ii
Syllabus iipg ii73.
Why iiis iia iisingle iianatomic iidose iireading iiNOT iirepresentative iiof iithe iitotal iisomatic
iieffect iifrom iiradiological iiexaminations? ii- iiCorrect iiAnswers ii-Somatic iirefers iito iithe
iicells iiof iithe iibody iithat iimake iiup iithe iiliving iitissue iiwith iithe iiexception iiof iigerm iicells.
iiThe iitotal iisomatic iieffect iiincludes iithe iientire iibody iiand iicannot iibe iicaptured iiby iia
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