1. The light collected and converted to an electrical signal by the photomultiplier tube (PMT)
during CR image sampling is then sent to the to be digitized.
a. ADC (analog-to-digital converter)
b. DAC (digital-to-analog converter)
c. LUT (lookup table)
d. workstation
ANS: A
2. What is the location on a histogram graph of air/gas?
a. Center
b. Far right
c. Left
d. Right
ANS: D
3. What is the location on a histogram graph of background brightness?
a. Center
b. Far right
c. Left
d. Right
ANS: B
4. What is the location on a histogram graph of bone?
a. Center
b. Far right
c. Left
d. Right
ANS: C
5. What is the location on a histogram graph of contrast/metal?
a. Center
b. Far right
c. Far left
d. Right
ANS: C
6. What is the location on a histogram graph of fat?
a. Center
, b. Far right
c. Left
d. Right
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