,DOWNLOAD jTHE jTest jBank jfor jDigital jRadiography jand jPACS j3rd
jEdition jCarter
Chapter j02: jDigital jImaging jCharacteristics
Carter: jDigital jRadiography jand jPACS, j3rd jEdition
MULTIPLE jCHOICE
1. Multiple jnumeric jvalues jdivided jinto jan jarray jof jsmall jelements jcapable jof jbeing
jprocessed jis jthe jdefinition jof j images.
a. analog
b. digital
c. medical
d. radiographic
ANS: j B OBJ: j j Differentiate jbetween janalog jand jdigital jimages.
2. The jcontinuous jand jvarying jlevels jof jbrightness jand jcolors jdescribe j images.
a. analog
b. digital
c. medical
d. radiographic
ANS: j B OBJ: j j Differentiate jbetween janalog jand jdigital jimages.
3. Critical jcharacteristics jof ja jdigital jimage jinclude jall jof jthe jfollowing jexcept
a. contrast jresolution.
b. noise jefficiency.
c. sample jresolution.
d. dose jefficiency jof jthe jreceptor.
ANS: j C OBJ: j j Differentiate jbetween janalog jand jdigital jimages.
4. Which jof jthe jfollowing jstatements jis jnot jtrue?
a. Matrix jsize jcan jchange jwithout jaffecting jthe jFOV.
b. FOV jcan jchange jwithout jaffecting jthe jmatrix.
c. Changing jthe jmatrix jor jthe jFOV jwill jchange jthe jsize jof jthe jpixel.
d. Changing jthe jmatrix jand jthe jFOV jwill jnot jchange jthe jsize jof jthe jpixel.
ANS: j D OBJ: j j Relate jpixel jsize, jmatrix jsize, jand jFOV jto jeach jother.
5. Each jsquare jin ja jmatrix jis jcalled ja
a. matrix jelement.
b. picture jelement.
c. bit.
d. byte.
ANS: j B OBJ: j j Define jpixel jand jimage jmatrix jand jcharacteristics jof jeach.
6. The jnumber jof jbits jper jpixel jis jknown jas jbit
a. pitch.
b. depth.
c. height.
d. width.
mynursytest.store
,DOWNLOAD jTHE jTest jBank jfor jDigital jRadiography jand jPACS j3rd
jEdition jCarter
ANS: j B OBJ: j j Define jpixel jand jimage jmatrix jand jcharacteristics jof jeach.
7. If ja jpixel jhas ja jbit jdepth jof j29, jthe jnumber jof jgray jtones jthat jpixel jcan jproduce jis
a. 256.
b. 512.
c. 1024.
d. 2500.
ANS: j B OBJ: j j Define jpixel jand jimage jmatrix jand jcharacteristics jof jeach.
8. The jsize jof jthe jpixel jis jdetermined jby jthe
a. bit.
b. bit jdepth.
c. matrix.
d. byte.
ANS: j C OBJ: j j Define jpixel jand jimage jmatrix jand jcharacteristics jof jeach.
9. Which jof jthe jfollowing jstatements jis jnot jtrue?
a. Exposure jindex jrefers jto jthe jamount jof jexposure jto jthe jpatient.
b. Exposure jindex jrefers jto jthe jamount jof jexposure jto jthe jimage jreceptor.
c. Exposure jis jnot juniformly jrepresented jacross jmanufacturers.
d. Exposure jindex jstandardization jis jbeneficial jto jthe jtechnologist.
ANS: j A OBJ: j j Discriminate jbetween jstandard junits jof jmeasure jfor jexposure
jindicators.
10. The jmeasurement jfor jradiation jthat jwas jincident jon jthe jimage jreceptor jfor ja
jparticular jexposure jis jknown jas
a. Gy.
b. KSTD.
c. KIND.
d. KTGT.
ANS: j C OBJ: j j Discriminate jbetween jstandard junits jof jmeasure jfor jexposure
jindicators.
11. Deviation jindex jis jthe jdifference jbetween j and j expressed jin jlogarithmic jfashion.
a. actual jexposure j(KIND); jtarget jexposure j(KTGT)
b. standard jexposure j(KSTD); jactual jexposure j(KIND)
c. standard jexposure j(KSTD); jtarget jexposure j(KTGT)
ANS: j A OBJ: j j Discriminate jbetween jstandard junits jof jmeasure jfor jexposure
jindicators.
12. Factors jthat jcan jadversely jaffect jthe jpixel jvalues jexpressed jin jthe jdeviation jindex jinclude
jall jof jthe jfollowing jexcept
a. gonadal jshielding jwithin jthe jimage.
b. a jprosthesis jwithin jthe jimage.
c. failure jof jthe jsystem jto jrecognize jthe jexposure jindicator.
d. failure jof jthe jsystem jto jrecognize jthe jcollimated jborder.
ANS: j C OBJ: j j Discriminate jbetween jstandard junits jof jmeasure jfor jexposure
jindicators.
mynursytest.store
, DOWNLOAD jTHE jTest jBank jfor jDigital jRadiography jand jPACS j3rd
jEdition jCarter
13. How jdark jor jlight ja jdigital jimage jappears jon ja jdisplay jmonitor jis jknown jas
mynursytest.store
jEdition jCarter
Chapter j02: jDigital jImaging jCharacteristics
Carter: jDigital jRadiography jand jPACS, j3rd jEdition
MULTIPLE jCHOICE
1. Multiple jnumeric jvalues jdivided jinto jan jarray jof jsmall jelements jcapable jof jbeing
jprocessed jis jthe jdefinition jof j images.
a. analog
b. digital
c. medical
d. radiographic
ANS: j B OBJ: j j Differentiate jbetween janalog jand jdigital jimages.
2. The jcontinuous jand jvarying jlevels jof jbrightness jand jcolors jdescribe j images.
a. analog
b. digital
c. medical
d. radiographic
ANS: j B OBJ: j j Differentiate jbetween janalog jand jdigital jimages.
3. Critical jcharacteristics jof ja jdigital jimage jinclude jall jof jthe jfollowing jexcept
a. contrast jresolution.
b. noise jefficiency.
c. sample jresolution.
d. dose jefficiency jof jthe jreceptor.
ANS: j C OBJ: j j Differentiate jbetween janalog jand jdigital jimages.
4. Which jof jthe jfollowing jstatements jis jnot jtrue?
a. Matrix jsize jcan jchange jwithout jaffecting jthe jFOV.
b. FOV jcan jchange jwithout jaffecting jthe jmatrix.
c. Changing jthe jmatrix jor jthe jFOV jwill jchange jthe jsize jof jthe jpixel.
d. Changing jthe jmatrix jand jthe jFOV jwill jnot jchange jthe jsize jof jthe jpixel.
ANS: j D OBJ: j j Relate jpixel jsize, jmatrix jsize, jand jFOV jto jeach jother.
5. Each jsquare jin ja jmatrix jis jcalled ja
a. matrix jelement.
b. picture jelement.
c. bit.
d. byte.
ANS: j B OBJ: j j Define jpixel jand jimage jmatrix jand jcharacteristics jof jeach.
6. The jnumber jof jbits jper jpixel jis jknown jas jbit
a. pitch.
b. depth.
c. height.
d. width.
mynursytest.store
,DOWNLOAD jTHE jTest jBank jfor jDigital jRadiography jand jPACS j3rd
jEdition jCarter
ANS: j B OBJ: j j Define jpixel jand jimage jmatrix jand jcharacteristics jof jeach.
7. If ja jpixel jhas ja jbit jdepth jof j29, jthe jnumber jof jgray jtones jthat jpixel jcan jproduce jis
a. 256.
b. 512.
c. 1024.
d. 2500.
ANS: j B OBJ: j j Define jpixel jand jimage jmatrix jand jcharacteristics jof jeach.
8. The jsize jof jthe jpixel jis jdetermined jby jthe
a. bit.
b. bit jdepth.
c. matrix.
d. byte.
ANS: j C OBJ: j j Define jpixel jand jimage jmatrix jand jcharacteristics jof jeach.
9. Which jof jthe jfollowing jstatements jis jnot jtrue?
a. Exposure jindex jrefers jto jthe jamount jof jexposure jto jthe jpatient.
b. Exposure jindex jrefers jto jthe jamount jof jexposure jto jthe jimage jreceptor.
c. Exposure jis jnot juniformly jrepresented jacross jmanufacturers.
d. Exposure jindex jstandardization jis jbeneficial jto jthe jtechnologist.
ANS: j A OBJ: j j Discriminate jbetween jstandard junits jof jmeasure jfor jexposure
jindicators.
10. The jmeasurement jfor jradiation jthat jwas jincident jon jthe jimage jreceptor jfor ja
jparticular jexposure jis jknown jas
a. Gy.
b. KSTD.
c. KIND.
d. KTGT.
ANS: j C OBJ: j j Discriminate jbetween jstandard junits jof jmeasure jfor jexposure
jindicators.
11. Deviation jindex jis jthe jdifference jbetween j and j expressed jin jlogarithmic jfashion.
a. actual jexposure j(KIND); jtarget jexposure j(KTGT)
b. standard jexposure j(KSTD); jactual jexposure j(KIND)
c. standard jexposure j(KSTD); jtarget jexposure j(KTGT)
ANS: j A OBJ: j j Discriminate jbetween jstandard junits jof jmeasure jfor jexposure
jindicators.
12. Factors jthat jcan jadversely jaffect jthe jpixel jvalues jexpressed jin jthe jdeviation jindex jinclude
jall jof jthe jfollowing jexcept
a. gonadal jshielding jwithin jthe jimage.
b. a jprosthesis jwithin jthe jimage.
c. failure jof jthe jsystem jto jrecognize jthe jexposure jindicator.
d. failure jof jthe jsystem jto jrecognize jthe jcollimated jborder.
ANS: j C OBJ: j j Discriminate jbetween jstandard junits jof jmeasure jfor jexposure
jindicators.
mynursytest.store
, DOWNLOAD jTHE jTest jBank jfor jDigital jRadiography jand jPACS j3rd
jEdition jCarter
13. How jdark jor jlight ja jdigital jimage jappears jon ja jdisplay jmonitor jis jknown jas
mynursytest.store
