Exam (elaborations)
California Fluoroscopy Test -solved
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California Fluoroscopy Test
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California Fluoroscopy TestAn iiimage iiintensifiers iiphotocathode iicauses ii___ iito iibe iigiven iioff iiin iidirect iiproportion
iito iithe iiintensity iiof iithe iifluorescent iilight: ii
iia. iiremnant iiradiation ii
iib. iielectrons ii
iic. iix-rays ii
iid. iilight iiphotons ii- iiCorrect iiAnswers ii-electrons
What iifluoroscopic iitelevision iisystem iidevice iidecodes iithe iivideo iisignal iiinto iia iivisible
iiimage? ii
iia. iiVidicon iicamera ii
iib. iiCamera iicontrol iiunit ii
iic. iiTelevision iimonitor ii
iid. iiElectron iigun ii- iiCorrect iiAnswers ii-Television iiMonitor
Which iiof iithe iifollowing iimaterials iiare iiused iiin iithe iiconstruction iiof iia iifluoroscopic
iitabletop?
1. iiLead
2. iiAluminum ii
3. iiBakelite
4. iiCarbon iifiber ii- iiCorrect iiAnswers ii-2, ii3, iiand ii4
Geometric iifactors iiin iithe iishape iiof iithe iiimage iiintensification iitube ii
iib. iiFocal-film-distance ii(FFD) ii
iic. iiObject-to-image iidistance ii(OID) ii
iid. iiMinification iigain ii- iiCorrect iiAnswers ii-...
If iithe iientrance iiskin iidose iiis iimeasured iifrom iithe iisurface iiof iithe iitabletop, iithe iix-ray
iisource iiis iilocated: ii
iia. iieither iiover iior iiunder iithe iitable ii
b. iiunder iithe iitable ii
iic. iiover iithe iitable ii
iid. iinot iienough iiinformation iiprovided ii- iiCorrect iiAnswers ii-b. iiUnder iithe iitable
The iimottle iilevel iiof iian iiimage iican iibe iiadjusted iiby:
1. iichanging iimA
2. iichanging iikVp
,3. iichanging iithe iiexposure iifactors ii
4. iiincreasing iithe iinumber iiof iiavailable iix-ray iiphotons ii- iiCorrect iiAnswers ii-All iiof iithe
iiabove
During iia iifluoroscopic iiexam, iithe iimain iisource iiof iiscattered iiradiation iiis iiproduced
iifrom: ii
a. iithe iipatient ii
iib. iix-ray iisource ii
iic. iitable iitop ii
iid. iileakage iiradiation ii- iiCorrect iiAnswers ii-the iipatient
Excessive iilighting iiin iithe iifluoroscopy iiroom: ii
a. iiHelps iito iiperceive iia iidim iiimage iias iibrighter ii
iib. iiHelps iito iiproperly iiadjust iithe iioverall iiluminance iiof iithe iiTV iiimage ii
iic. iiEnhances iivisualization iiof iia iiblack iiand iiwhite iiTV iiimage ii
iid. iiMay iiresult iiin iiincreasing iithe iitechnical iioperating iifactors ii- iiCorrect iiAnswers ii-May
iiresult iiin iiincreasing iithe iitechnical iioperating iifactors
Suitable iigonad iishields iimust iibe iiused: ii
iia. iiWhenever iigonads iiare iiwithin iithe iiuseful iix-raybeam ii
iib. iiWhen iishielding iiof iigonads iidoes iinot iiinterfere iiwith iithe iidiagnosis ii
iic. iiOn iiall iipotentially iiprocreative iipatients ii
iid. iiAt iiall iitimes ii- iiCorrect iiAnswers ii-When iishielding iiof iigonads iidoes iinot iiinterfere
iiwith iithe iidiagnosis
Which iiof iithe iifollowing iiare iitrue iiconcerning iicine iifilm?
1. iiAvailable iifilm iisizes iiare: ii70 iimm, ii100 iimm, iiand ii110 iimm
2. iiThe iilarger iithe iifilm iisize iithe iibetter iithe iiimage iiquality
3. iiNearly iiall iicine-fluorography iiexams iiinvolve iistudies iiof iithe iiGI iisystem
4. iiDelivers iiapproximately iithe iisame iidose iias iiroutine iiphotospot iiimage iirecording ii-
iiCorrect iiAnswers ii-2 iionly
The iiexposure iirate iiat iithe iitabletop iimay iinot iiexceed iifive iirads iiper iiminute iiexcept: ii
1. iiwhen iiusing iithe iiABC iion iilarge iipatients
2. iiduring iimagnification iimode
3. iiwhere iihigher iiexposure iirates iiare iiallowed ii- iiCorrect iiAnswers ii-b. ii1, ii2 iiand ii3 iionly
Images iiproduced iiwith iiphoto iispot iifilm iicameras ii___ iispot iifilms iitaken iiwith
iiconventional iicassettes.
1. iiuse iia iihigher iimA iithan ii
2. iirequire iiabout ii1/2 iito ii1/3 iithe iidose iiof
3. iiexhibit iisuperior iiimage iiquality iicompared iito ii- iiCorrect iiAnswers ii-require iiabout ii1/2
iito ii1/3 iithe iidose
The iiability iiof iian iiimaging iisystem iito iidifferentiate iismall iiobjects iithat iiare iiclosely
iispaced iias iiseparate iiobjects iiis iireferred iito iias: ii
,iia. iiDifferentiation ii
iib. iiResolution ii
iic. iiStatistical iifluctuation ii
iid. iiDetector iicontrast ii- iiCorrect iiAnswers ii-b. iiResolution
The iiphotoconductive iitarget iiin iia iitelevision iicamera iipick-up iitube: ii
iia. iiConducts iielectrons iiacross iito iithe iitarget ii
iib. iiAllows iia iiproportional iielectron iicharge iito iibe iigenerated iiat iia iiparticular iiposition ii
iic. iiCreates iia iivideo iisignal ii
iid. iiCreates iian iielectronic iicurrent iiwhich iiis iiconverted iiinto iia iivideo iiimage ii
ii
. ii- iiCorrect iiAnswers ii-Allows iia iiproportional iielectron iicharge iito iibe iigenerated iiat iia
iiparticular iiposition
Size iidistortion iiis iiprimarily iicaused iiby: ii
iia. iiFocal-film-distance ii(FFD) ii
iib. iiGeometric iifactors iiin iithe iishape iiof iithe iiimage iiintensification iitube ii
iic. iiMinification iigain ii
iid. iiObject-to-image iidistance ii(OID) ii- iiCorrect iiAnswers ii-Object-to-image iidistance
ii(OID)
The iioverall iiluminescence iiof iithe iiTV iiimage iimay iibe iiproperly iiadjusted iiby: ii
1. iiincreasing iiroom iilighting
2. iiadjusting iithe iicontrast iicontrol iibutton iion iithe iiTV iimonitor
3. iiadjusting iithe iibrightness iicontrol iibutton iion iithe iiTV iimonitor ii- iiCorrect iiAnswers ii-2
iiand ii3 iionly
Which iiof iithe iifollowing iistatements iiis iitrue iiconcerning iifluoroscopic iigrids? ii
iia. iiReduces iiscattered iiradiation iiproduced iiin iithe iiimage iiintensifier ii
iib. iiThe iitypical iigrid iiratio iiis ii12:1 ii
iic. iiHigh iiratio iigrids iiare iipreferred ii
iid. iiLocated iibetween iithe iipatient iiand iiinput iilayer iiof iithe iiimage iiintensifier ii- iiCorrect
iiAnswers ii-Located iibetween iithe iipatient iiand iiinput iilayer iiof iithe iiimage iiintensifier
One iiof iithe iimost iiimportant iiactions iia iifluoroscopist iican iitake iito iiavoid iiunnecessary
iiradiation iiexposure iito iithe iipatient iiis iito iiuse iiappropriate: ii
iia. iiIllumination ii
iib. iiPrimary iibeam iifiltration ii
iic. iiCollimation ii
iid. iiProtective iilead iicurtains ii- iiCorrect iiAnswers ii-Collimation
The iiincrease iiin iieffective iibrightness iidue iito iithe iisize iireduction iiof iithe iioutput iiimage
iisize iiis iireferred iito iias: ii
iia. iiTotal iigain ii
iib. iiMinification iigain ii
iic. iiOutput iigain ii
iid. iiElectronic iigain ii- iiCorrect iiAnswers ii-b. iiMinification iigain
, In iia iiTV iicamera, iithe iiproportional iielectron iicharge iiis iiconverted iiinto iia iiproportional
iivoltage iiwhich iiis iisent iito iithe: ii
iia. iiCamera iicontrol iiunit ii
iib. iiElectron iigun ii
iic. iiTV iimonitor ii
iid. iiOutput iiphosphor ii- iiCorrect iiAnswers ii-Camera iicontrol iiunit
The iigreatest iilimiting iifactor iiconcerning iiresolution iifor iifluoroscopic iisystems iiis iithe: ii
iia. iiOutput iiphosphor ii
iib. iiVideo iimonitor ii
iic. iiInput iiphosphor ii
iid. iiTV iicamera ii- iiCorrect iiAnswers ii-Video iimonitor
Since iithe iiBucky iitray iicover iiis iidirectly iiin iiline iiwith iithe iifluoroscopists iigonads, iithe
iiopening iimust iibe iiautomatically iicovered iiwith ii___ iiequivalent iimaterial. ii
iia. ii2.5 iimm iialuminum ii
iib. ii2.5 iimm iilead ii
iic. ii0.25 iimm iialuminum ii
iid. ii0.25 iimm iilead ii- iiCorrect iiAnswers ii-0.25 iimm iilead
What iipercentage iiof iiincident iiphotons iiwill iiemerge iiunaffected iiby iithe iipatients
iitissues? ii
iia. ii50% ii
iib. ii10% ii
iic. ii1% ii
iid. ii5% ii
ii
. ii- iiCorrect iiAnswers ii-5%
The iiprimary iipurpose iiof iiprotective iidrapes iior iisliding iipanels iiis iito: ii
1. iiReduce iiscatter iito iithe iipatient
2. iiReduce iiscatter iito iithe iioperator
3. iiReduce iiscatter iito iithe iiimage iiintensifier
4. iiReduce iiradiation iicoming iiprimarily iifrom iithe iipatient ii- iiCorrect iiAnswers ii-2 iiand ii4
The iicomponents iiof iithe iiclosed-circuit iitelevision iisystem iiare: ii
1. iividicon iicamera
2. iiimaging iiintensifier
3. iicamera iicontrol iiunit
4. iitelevision iimonitor ii- iiCorrect iiAnswers ii-1, ii3 iiand ii4 iionly
For iifluoroscopic iiinstallations, iithe iiprimary iibarrier iiis iiconsidered iito iibe iithe:
1. iiFloor
2. iiCeiling
3. iiWalls
4. iiImage iiintensifier iiassembly ii- iiCorrect iiAnswers ii-4 iionly
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