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ASRT modules review exam questions and answers
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ASRT modules review exam questions and answers
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ASRT modules review exam questionsand answers
Helical iiscanning iimotion iiwas iifirst iimade iipossible iiby iithe iiunique iiconstruction iiof iithe
ii____________ iiscanner. ii
A) iifourth iigeneration iiB) iififth iigeneration iiC) iisixth iigeneration iiD) iiseventh iigeneration ii-
iiCorrect iiAnswers ii-7th
The iitype iiof iibeam iigeometry iiused iiin iimodern iiCT iiscanners iiis iicalled:
iiA) iifan iibeam. iiB) iiwide iibeam. iiC) iipencil iibeam. iiD) iicone iibeam. ii- iiCorrect iiAnswers ii-
cone iibeam
The ii___________ iimethod iiof iidata iiacquisition iigathers iiimage iidata iiin iidistinct
iisections iiand iiis iisometimes iidescribes iias iihaving iia ii"start/stop" iimotion. ii
A) iispiral iiB) iisequential iiC) iihelical iiD) iivolume ii- iiCorrect iiAnswers ii-sequential
When iipitch iiis iiless iithan ii1, iithe iiresulting iibands iiof iidata iiare: ii
A) iiadjacent. iiB) iidistinct. iiC) iioverlapped. iiD) iigapped ii- iiCorrect iiAnswers ii-overlapping
Which iiof iithe iifollowing iiis iinot iia iicomponent iiof iithe iiCT iigantry? ii
A) iiX-ray iitube iiB) iiArray iiprocessor iiC) iiSlip iirings iiD) iiDigital iiacquisition iisystem ii-
iiCorrect iiAnswers ii-array iiprocessor
Detector iisystems iiin iiwhich iithe iielements iiare iinot iiall iithe iisame iisize iiare iireferred iito
iias: ii
A) iiadaptive iiarrays. iiB) iivolumetric iiarrays. iiC) iisymmetric iiarrays. iiD) iiunbalanced
iiarrays. ii- iiCorrect iiAnswers ii-adaptive iiarrays
All iiof iithe iifollowing iiare iicharacteristics iiof iibeam-shaping iifilters, iiexcept: ii
A) iithey iiare iiphysical iidevices. ii
B) iithey iichange iithe iispatial iidistribution iiof iithe iibeam. ii
C) iithey iichange iithe iidigital iiappearance iiof iiimages. ii
D) iithey iiremove iilower-energy iix-rays iifrom iithe iibeam. ii- iiCorrect iiAnswers ii-they
iichange iidigital iiappearance iiof iiimages
The iiprimary iidata iiprocessing iicomponent iiof iithe iiCT iisystem iiis iithe:
, iiA) iiarray iiprocessor. iiB) iidigital iiacquisition iisystem. iiC) iiPACS. iiD) iiamplifier. ii- iiCorrect
iiAnswers ii-array iiprocessor
An iiincrease iiin iipitch iialso iiresults iiin iiincreased: ii
A) iipatient iidose. iiB) iiscan iispeed. iiC) iiimage iiquality. iiD) iiscan iilength. ii- iiCorrect
iiAnswers ii-scan iispeed
The iilargest iipiece iiof iithe iiCT iidevice iiis iicalled:
iiA) iithe iigantry. iiB) iithe iiprocessor. iiC) iithe iihousing. iiD) iithe iiring. ii- iiCorrect iiAnswers ii-
gantry
When iiconsidering iidetector iiefficiency, iithe iimeasure iiof iihow iiconsistently iithe
iidetectors iirespond iiis iicalled: ii
A) iicapture iiefficiency. iiB) iiabsorption iiefficiency. iiC) iistability. iiD) iiresponse iitime. ii-
iiCorrect iiAnswers ii-stability
Which iicomponent iiof iithe iiCT iigantry iisupplies iielectrical iipower iito iithe iix-ray iitube iiand
iitransfers iithe iisignals iifrom iithe iidetectors iito iithe iicomputer? ii
A) iiGenerator iiB) iiSlip iirings iiC) iiPhotomultiplier iiD) iiData iiacquisition iisystem ii- iiCorrect
iiAnswers ii-slip iirings
The iifirst iigeneration iiCT iiscan iipattern iiwas iicalled ii_______ iiacquisition. ii
A) iitranslate iiand iirotate iiB) iistep-and-shoot iiC) iihelical iiD) iilinear ii- iiCorrect iiAnswers ii-
translate iiand iirotate
Which iiof iithe iifollowing iiis iifalse iiregarding iiconventional iiaxial iiscanning iicompared iito
iihelical iiscanning? ii
A) iiAxial iiscanning iirequires iimore iicontrast iimedia. ii
B) iiAxial iiscanning iihas iigreater iipotential iifor iimisalignment iibetween iiscans. ii
C) iiAxial iiscanning iiis iimore iisensitive iito iipatient iimotion. ii
D) iiAxial iiscanning iiresults iiin iipoorer iiimage iiquality. ii- iiCorrect iiAnswers ii-more
iisensitive iito iipatient iimotion
The iinumber iiof iidetectors iithe iiscanner iiuses iito iicollect iidata iifor iia iiparticular iiscan iiis
iidetermined iiby iithe: ii
A) iiscan iifield iiof iiview. iiB) iidisplay iifield iiof iiview. iiC) iipitch. iiD) iislice iithickness. ii-
iiCorrect iiAnswers ii-SFOV
Using iia iiwider iidisplay iifield iiof iiview iiresults iiin:
iiA) iireduced iinoise. iiB) iiimproved iispatial iiresolution. iiC) iianatomy iiappearing iilarger. iiD)
iiincreased iipatient iidose. ii- iiCorrect iiAnswers ii-reduced iinoise
The iidepth iiof iia iivoxel iiis iidetermined iiby iithe: ii
A) iifield iiof iiview. iiB) iislice iithickness. iiC) iimatrix iisize. iiD) iipixel iisize. ii- iiCorrect
iiAnswers ii-slice iithickness
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