1075 Chapter 21 - Computed Radiography (CR) test bank
3. The fluorohalides The fluorohalides used in CR are predominantly
used in CR are composed of bromide.
predominantly
composed of
a.cesium iodide
b.amorphous silicon
c.bromide
d.iodide
5. Computerized Computerized digital images consist of a
digital images consist matrix of picture elements, each with a video
display value or gray shade.
of a ________ of picture
elements, each with a
video display value or
gray shade.
a.row
b.matrix
c.column
d.pixel
1/7
, 7. An x-ray exposure An x-ray exposure taken at 80 kVp has an average
taken at 80 kVp has energy of 35 keV.
an average energy of
a.24 keV.
b.35 keV.
c.60 keV.
d.80 keV.
9. In CR technology, In CR technology, preprocessing of data includes
preprocessing of data
1.histogram analysis.
includes
2.grayscale analysis.
a.histogram analysis.
3.exposure data recognition (EDR).
b.grayscale analysis.
c.exposure data
recognition (EDR).
d.all of the above.
2/7
3. The fluorohalides The fluorohalides used in CR are predominantly
used in CR are composed of bromide.
predominantly
composed of
a.cesium iodide
b.amorphous silicon
c.bromide
d.iodide
5. Computerized Computerized digital images consist of a
digital images consist matrix of picture elements, each with a video
display value or gray shade.
of a ________ of picture
elements, each with a
video display value or
gray shade.
a.row
b.matrix
c.column
d.pixel
1/7
, 7. An x-ray exposure An x-ray exposure taken at 80 kVp has an average
taken at 80 kVp has energy of 35 keV.
an average energy of
a.24 keV.
b.35 keV.
c.60 keV.
d.80 keV.
9. In CR technology, In CR technology, preprocessing of data includes
preprocessing of data
1.histogram analysis.
includes
2.grayscale analysis.
a.histogram analysis.
3.exposure data recognition (EDR).
b.grayscale analysis.
c.exposure data
recognition (EDR).
d.all of the above.
2/7
