PACS MIDTERM EXAM QUESTIONS
AND CORRECT ANSWERS LATEST
EXAM UPDATE
Europium is the ______________ of the photostimulable phosphor.
a. image buffer
b. scintillator
c. phosphor
d. activator - Answer- d. activator
In a radiology department that is consistent with ALARA guidelines
a. EI#s and DI#s cannot be used interchangeably.
b. Target EI#s for all exams will be established.
c. EI#s and DI#s are used as benchmarks of image quality.
d. all of the above. - Answer- d. all of the above.
Inappropriate brightness on a digital image can be caused by:
1. poor collimation.
2. incorrect menu selection.
3. poor positioning.
, a. 1 and 2
b. 1 and 3
c. 2 and 3
d. 1, 2, and 3 - Answer- d. 1, 2, and 3
The shape and distribution of values on an x-ray exposure histogram is specific
to selected anatomy and the exposure used for the exam. In the histogram, the
data is analyzed to identify the __________.
a. line spread function
b. point spread function
c. values of interest (VOI)
d. modulation transfer function (MTF) - Answer- c. values of interest (VOI)
Which function represents the range of gray values that are being viewed on the
monitor?
a. Window
b. Level
c. Contrast
d. Density - Answer- a. Window
The acronym PACS stands for ______ system.
a. Picture archival and control
AND CORRECT ANSWERS LATEST
EXAM UPDATE
Europium is the ______________ of the photostimulable phosphor.
a. image buffer
b. scintillator
c. phosphor
d. activator - Answer- d. activator
In a radiology department that is consistent with ALARA guidelines
a. EI#s and DI#s cannot be used interchangeably.
b. Target EI#s for all exams will be established.
c. EI#s and DI#s are used as benchmarks of image quality.
d. all of the above. - Answer- d. all of the above.
Inappropriate brightness on a digital image can be caused by:
1. poor collimation.
2. incorrect menu selection.
3. poor positioning.
, a. 1 and 2
b. 1 and 3
c. 2 and 3
d. 1, 2, and 3 - Answer- d. 1, 2, and 3
The shape and distribution of values on an x-ray exposure histogram is specific
to selected anatomy and the exposure used for the exam. In the histogram, the
data is analyzed to identify the __________.
a. line spread function
b. point spread function
c. values of interest (VOI)
d. modulation transfer function (MTF) - Answer- c. values of interest (VOI)
Which function represents the range of gray values that are being viewed on the
monitor?
a. Window
b. Level
c. Contrast
d. Density - Answer- a. Window
The acronym PACS stands for ______ system.
a. Picture archival and control
