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ASRT 1-5 Exam with correct Answers 100%
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ASRT 1-5 Exam with correct Answers
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ASRT 1-5 Exam with correct AnswersB: ii40
X-ray iitubes iiare iioperated iiat iior iiabove ii______ iikVp iito iiavoid iibeing iispace-
charge iilimited.
A: ii35
B: ii40
C: ii55
D: ii70
B: iiContrast iiimprovement iifactor
When iidiscussing iithe iigrid, iithe iiletter ii“K” iirepresents iithe ii________.
A: iiGrid iiratio
B: iiContrast iiimprovement iifactor
C: iiBucky iifactor
D: iiSelectivity ii
C: iiReceptor iiexposure
When iithe iix-ray iibeam iiis iiNOT iiproperly iialigned iiwith iithe iigrid iistrips iithe
ii________ iiis iichanged.
A: iiSpatial iiresolution
,B: iisampling iifrequency
C: iiReceptor iiexposure
D: iidistortion ii
B: iihelp iidistinguish iidifferences iibetween iianatomic iitissues.
The iispecific iipurpose iiof iia iicontrast iimedium iiis iito:
A: iiShow iisurrounding iitissue iiwith iithe iisame iidensity iias iithe iiregion iiof iiinterest
B: iihelp iidistinguish iidifferences iibetween iianatomic iitissues. ii
C: iiProduce iidensity iichanges iiin iisoft iitissue iianatomy
D: iiReduce iithe iiradiologists iineed iifor iiambient iilight
B: ii15-inch iiminimum iiSSD
Which iiof iithe iifollowing iiis iia iiguideline iiused iito iireduce iipersonnel iiand iipatient
iidose iiduring iifixed iifluoroscopy?
A: ii30 iiroentgens ii(R)/min iimaximum iitabletop iiexposure iirate
B: ii15-inch iiminimum iiSSD
C: iiminimum iifiltration iiof ii1.5 iimm iialuminum iiequivalent
D: ii0.5 iimm iiprimary iiprotective iibarrier
B: ii66%
Using iia ii75 iikVp iix-ray iibeam iiwith iia ii0.25 iimm iilead-equivalent iiapron iiprovides
iiprotection iifrom ii_______ iiof iithe iibeam.
A: ii55%
B: ii66%
C: ii77%
,D: ii88%
B: ii10 iidays iito ii6 iiweeks iiof iidevelopment
Exposure iiof iian iiembryo iior iifetus iito iiradiation iifrom ii________________ iican
iiresult iiin iicongenital iiabnormalities.
A: ii0 iidays iito ii9 iiday iiof iidevelopment
B: ii10 iidays iito ii6 iiweeks iiof iidevelopment
C: ii6 iiweeks iito ii20 iiweeks iiof iidevelopment
D: ii21 iiweeks iito iiterm
A: iifiltration
Which iiof iithe iifollowing iiradiography iiequipment iifeatures iiis iidesigned iito
iieliminate iiunnecessary iiradiation iiexposure iito iithe iipatient?
A: iifiltration
B: iiminimum iisource-to-skin iidistance ii(SSD) iiof ii30 iiinches
C: iitube iiwindow
D: iilight iilocalized iicollimation
B: iiVisceral
The ii________ iipleura iiclosely iiadheres iito iithe iisurface iiof iithe iilung.
A: iiParietal
B: iiVisceral
C: iiLingula
D: iiCardiac ii
D: iiRemnant
, Radiation iithat iiexits iithe iipatient iiand iiis iidirected iitoward iithe iireceptor iiis
iireferred iito iias ii________ iiradiation.
A: iiPrimary
B: iiScatter
C: iiSecondary
D: iiRemnant ii
C: ii7 ii; ii20
The iiangle iiof iithe iianode iiin iithe iiregion iiof iithe iitarget iihas iia iivariation iiof
ii________ ii° iito ii________ ii°.
A: ii0 ii; ii3
B: ii5 ii; ii6
C: ii7 ii; ii20
D: ii20 ii; ii45
C: iiKilovoltage
The iiquality iiof iix-ray iiphotons iiis iiaffected iiby:
A: iiCollimation
B: iiFocal iispot iisize
C: iiKilovoltage
D: iiexposure iitime
C: iiWater iiMolecules
MOST iicell iidamage iifrom iiionizing iiradiation iioccurs iiwhen iix-rays iiinteract iiwith:
A: iifree iiradicals
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