HESI V2 PRACTICE TEST WITH FULL PACK
SOLUTIONS
1.In ywhich yway ycan ythe yradiographer yminimize ymotion ydue yto yperistalsis?
a. give ythe ypatient yexplicit yinstructions
b. expose ythe yradiograph yon yexpiration
c. expose ythe yradiograph yon yinspiration
d. decrease yexposure ytime: yd. ydecrease yexposure ytime
2.which ystatement yis ycorrect yregarding ythe yrelationship yof ypatient
ydose yto yexposure yindex y(EI)?
a. EI yis yalways ygreater ythan ythe ypatient's ydose
b. EI ygives ya yvery yaccurate yrepresentation yof ypatient ydose
c. EI ygives yan yapproximation yof ythe ypatient's ydose
d. EI ygives yan yexact ymeasurement yof ypatient ydose: yc. yEI ygives yan
yapproximation yof ythe ypatient's ydose
3.Assuming yother yexposure yfactors yremain ythe ysame, ywhich ysource-to-
im- yage-receptor-distance y(SID) ycauses ythe ygreatest yreduction yin yx-ray
yquantity yat ythe yimage yreceptor y(IR)?
a,.44 yinches.
b. 60 yinches.
1 y/
y65
, c. 72 yinches.
d. 40 yinches.: yc. y72 yinches.
4.Which yfactor ywould ythe yradiographer ychoose yto ymaximize yrecorded
ydetail yin ythe yimage?
a. Low ymilliampere-seconds y(mAs).
b. Small yfocal yspot.
c. 100 ycm ysource yto yimage yreceptor ydistance y(SID).
d. High ykilovolts ypeak y(kVp).: yb. ySmall yfocal yspot.
5.Which ywill yincrease ythe yappearance yof ynoise yin ya ydigital yimage,
yassuming yonly ythe ynamed yfactor yin yeach yresponse yis ychanged?
a. Large ymatrix.
b. Increased ymAs.
c. High ykVp ytechnique.
d. Short ySID.: ya. yLarge ymatrix.
6.What yis ythe yresult yif ythe ytotal ylead ycontent yof ya ygrid yis ydecreased?
a. Decreased yscatter yabsorption.
2 y/
y65
,b. Greater yimage ycontrast.
c. Higher ypatient ydose.
d. Increased yscatter yabsorption: ya. yDecreased yscatter yabsorption.
7.If ya yradiographer ywanted yto ydouble yimage ydensity ywithout ydoubling
ythe ypatient's ydose, ywhich yaction yshould ybe ytaken?
a. Double ymilliampere-seconds y(mAs).
b. Increase ykilovolts ypeak y(kVp) yby y15%.
c. Increase ymilliampere-seconds y(mAs) yby y15%.
d. Double ykilovolts ypeak y(kVp).: yb. yIncrease ykilovolts ypeak y(kVp) yby y15%
8.Digital yradiography yhas ythe yability yto yproduce y16,000 yshades yof ygray.
yWhat yappropriate ybit ydepth y(dynamic yrange) ydoes ythis yrepresent?
a. 10 ybit ydepth.
b. 16 ybit ydepth.
c. 12 ybit ydepth.
d. 14 ybit ydepth.: yd. y14 ybit ydepth.
9.Pelvis yroutine ycalls yfor yan yanteroposterior y(AP) ywith ya yperpendicular
ycentral yray y(CR), yand yan yaxial yAP ywith ya y40 ydegree ycephalic yangle.
yUsing ya ycaliper ymeasurement, ythe ytechnique ychart yyields ya yperfect yset yof
yexposure yfactors yfor ythe yperpendicular yAP. yHow ywill ythe ynecessary
yexposure yfactors yfor ythe yaxial ydiffer yfrom ythe yperpendicular yAP?
a. Same ymeasurement, ysame ytechnical yfactors.
b. Same ymeasurement, ybut ymore ybone, yhigher ykilovolts ypeak y(kVp) yand
ymil- yliampere-seconds y(mAs).
c. Smaller ymeasurement, ylower ykilovolts ypeak y(kVp) yand ymilliampere-
seconds y(mAs).
d. Greater ymeasurement, yhigher ykilovolts ypeak y(kVp) yand ymilliampere-
seconds y(mAs).: yd. yGreater ymeasurement, yhigher ykilovolts ypeak y(kVp)
yand ymilliampere-sec- yonds y(mAs).
10.If y7 ymilliampere-seconds y(mAs) yprovides yoptimal ydensity ywithout ya
ygrid, ywhich ymAs yshould ybe yused ywith ya y12:1 ygrid?
a. 28.
b. 35.
c. 42.
d. 21.: yb. y35.
3 y/
y65
, 11.If yall ythe ybucky ydigital yimages yfrom yone yradiographic yroom yseem yto
yappear yexcessively ynoisy, ywhat ymight ythe yradiographer ysuspect?
a. The yautomatic yexposure ycontrol y(AEC) yis yset yat yan yinappropriate
yspeed yclass.
b. There yis ya yproblem ywith ythe ydigital yreceptor.
c. The yx-ray yroom ymay yneed yrecalibration.
d. It ycould ybe yan yanomaly yand yshould ycontinue yto ybe ymonitored.: ya. yThe
yauto- ymatic yexposure ycontrol y(AEC) yis yset yat yan yinappropriate
yspeed yclass.
12.Which yterm yrefers yto yunwanted yfluctuations yin ythe ybrightness yof yan
yimage?
a. Flux.
b. Interference.
c. Noise.
d. Static: yc. yNoise.
13.Which yfunction yare yRadiology yinformation ysystem y(RIS) ynetworks yare
yca- ypable yof yperforming?
a. Processing ylaboratory yreports.
b. Tracking yradiology yscheduling yinformation.
c. Recording yand yretrieving ydiagnostic yimages.
d. Tracking ybilling yinformation.: yb. yTracking yradiology yscheduling
yinformation.
14.Which ybest ydescribes yanode yheel yeffect?
a. yA yphenomenon ywhere yx-ray yintensity yis ygreater yunder ythe ycathode.
b. A yphenomenon ywhere yx-ray yintensity yis ygreater yunder ythe yanode.
c. Absorption yof ypart yof ythe yx-ray ybeam yby ythe yfocusing ycup.
d. Absorption yof ypart yof ythe yx-ray ybeam yby ythe ytarget ytrack.: ya. yA
yphenomenon ywhere yx-ray yintensity yis ygreater yunder ythe ycathode.
15.Which ycomponent yof ya ydiagnostic yx-ray ytube yrestricts ythe yprimary
ybeam yto ythe yarea yof yinterest?
a. Collimator.
b. Focusing ycup.
c. Electrostatic ylenses.
d. Protective yhousing.: ya. yCollimator.
4 y/
y65
SOLUTIONS
1.In ywhich yway ycan ythe yradiographer yminimize ymotion ydue yto yperistalsis?
a. give ythe ypatient yexplicit yinstructions
b. expose ythe yradiograph yon yexpiration
c. expose ythe yradiograph yon yinspiration
d. decrease yexposure ytime: yd. ydecrease yexposure ytime
2.which ystatement yis ycorrect yregarding ythe yrelationship yof ypatient
ydose yto yexposure yindex y(EI)?
a. EI yis yalways ygreater ythan ythe ypatient's ydose
b. EI ygives ya yvery yaccurate yrepresentation yof ypatient ydose
c. EI ygives yan yapproximation yof ythe ypatient's ydose
d. EI ygives yan yexact ymeasurement yof ypatient ydose: yc. yEI ygives yan
yapproximation yof ythe ypatient's ydose
3.Assuming yother yexposure yfactors yremain ythe ysame, ywhich ysource-to-
im- yage-receptor-distance y(SID) ycauses ythe ygreatest yreduction yin yx-ray
yquantity yat ythe yimage yreceptor y(IR)?
a,.44 yinches.
b. 60 yinches.
1 y/
y65
, c. 72 yinches.
d. 40 yinches.: yc. y72 yinches.
4.Which yfactor ywould ythe yradiographer ychoose yto ymaximize yrecorded
ydetail yin ythe yimage?
a. Low ymilliampere-seconds y(mAs).
b. Small yfocal yspot.
c. 100 ycm ysource yto yimage yreceptor ydistance y(SID).
d. High ykilovolts ypeak y(kVp).: yb. ySmall yfocal yspot.
5.Which ywill yincrease ythe yappearance yof ynoise yin ya ydigital yimage,
yassuming yonly ythe ynamed yfactor yin yeach yresponse yis ychanged?
a. Large ymatrix.
b. Increased ymAs.
c. High ykVp ytechnique.
d. Short ySID.: ya. yLarge ymatrix.
6.What yis ythe yresult yif ythe ytotal ylead ycontent yof ya ygrid yis ydecreased?
a. Decreased yscatter yabsorption.
2 y/
y65
,b. Greater yimage ycontrast.
c. Higher ypatient ydose.
d. Increased yscatter yabsorption: ya. yDecreased yscatter yabsorption.
7.If ya yradiographer ywanted yto ydouble yimage ydensity ywithout ydoubling
ythe ypatient's ydose, ywhich yaction yshould ybe ytaken?
a. Double ymilliampere-seconds y(mAs).
b. Increase ykilovolts ypeak y(kVp) yby y15%.
c. Increase ymilliampere-seconds y(mAs) yby y15%.
d. Double ykilovolts ypeak y(kVp).: yb. yIncrease ykilovolts ypeak y(kVp) yby y15%
8.Digital yradiography yhas ythe yability yto yproduce y16,000 yshades yof ygray.
yWhat yappropriate ybit ydepth y(dynamic yrange) ydoes ythis yrepresent?
a. 10 ybit ydepth.
b. 16 ybit ydepth.
c. 12 ybit ydepth.
d. 14 ybit ydepth.: yd. y14 ybit ydepth.
9.Pelvis yroutine ycalls yfor yan yanteroposterior y(AP) ywith ya yperpendicular
ycentral yray y(CR), yand yan yaxial yAP ywith ya y40 ydegree ycephalic yangle.
yUsing ya ycaliper ymeasurement, ythe ytechnique ychart yyields ya yperfect yset yof
yexposure yfactors yfor ythe yperpendicular yAP. yHow ywill ythe ynecessary
yexposure yfactors yfor ythe yaxial ydiffer yfrom ythe yperpendicular yAP?
a. Same ymeasurement, ysame ytechnical yfactors.
b. Same ymeasurement, ybut ymore ybone, yhigher ykilovolts ypeak y(kVp) yand
ymil- yliampere-seconds y(mAs).
c. Smaller ymeasurement, ylower ykilovolts ypeak y(kVp) yand ymilliampere-
seconds y(mAs).
d. Greater ymeasurement, yhigher ykilovolts ypeak y(kVp) yand ymilliampere-
seconds y(mAs).: yd. yGreater ymeasurement, yhigher ykilovolts ypeak y(kVp)
yand ymilliampere-sec- yonds y(mAs).
10.If y7 ymilliampere-seconds y(mAs) yprovides yoptimal ydensity ywithout ya
ygrid, ywhich ymAs yshould ybe yused ywith ya y12:1 ygrid?
a. 28.
b. 35.
c. 42.
d. 21.: yb. y35.
3 y/
y65
, 11.If yall ythe ybucky ydigital yimages yfrom yone yradiographic yroom yseem yto
yappear yexcessively ynoisy, ywhat ymight ythe yradiographer ysuspect?
a. The yautomatic yexposure ycontrol y(AEC) yis yset yat yan yinappropriate
yspeed yclass.
b. There yis ya yproblem ywith ythe ydigital yreceptor.
c. The yx-ray yroom ymay yneed yrecalibration.
d. It ycould ybe yan yanomaly yand yshould ycontinue yto ybe ymonitored.: ya. yThe
yauto- ymatic yexposure ycontrol y(AEC) yis yset yat yan yinappropriate
yspeed yclass.
12.Which yterm yrefers yto yunwanted yfluctuations yin ythe ybrightness yof yan
yimage?
a. Flux.
b. Interference.
c. Noise.
d. Static: yc. yNoise.
13.Which yfunction yare yRadiology yinformation ysystem y(RIS) ynetworks yare
yca- ypable yof yperforming?
a. Processing ylaboratory yreports.
b. Tracking yradiology yscheduling yinformation.
c. Recording yand yretrieving ydiagnostic yimages.
d. Tracking ybilling yinformation.: yb. yTracking yradiology yscheduling
yinformation.
14.Which ybest ydescribes yanode yheel yeffect?
a. yA yphenomenon ywhere yx-ray yintensity yis ygreater yunder ythe ycathode.
b. A yphenomenon ywhere yx-ray yintensity yis ygreater yunder ythe yanode.
c. Absorption yof ypart yof ythe yx-ray ybeam yby ythe yfocusing ycup.
d. Absorption yof ypart yof ythe yx-ray ybeam yby ythe ytarget ytrack.: ya. yA
yphenomenon ywhere yx-ray yintensity yis ygreater yunder ythe ycathode.
15.Which ycomponent yof ya ydiagnostic yx-ray ytube yrestricts ythe yprimary
ybeam yto ythe yarea yof yinterest?
a. Collimator.
b. Focusing ycup.
c. Electrostatic ylenses.
d. Protective yhousing.: ya. yCollimator.
4 y/
y65
