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Image Production And Evaluation II Final Review Game
Test Description: Review of Image Production II
Instructions: Answer all questions to get your test result.
1) Which of the following applies to the input phosphor in fluoroscopy?
A
Electrons emitted
B
Light absorbed
C
Light emitted
D
X-rays absorbed
2) As Kokak exposure indicator numbers decrease by 300, exposure
A
Increases by a factor of 2
B
Decreases by a factor of 2
C
Increases by a factor of 4
D
Decreases by a factor of 4
3) What is the primary factor influencing exposure for Computed Radiography?
A
kVp
B
mAs
C
LUT
D
Collimation
4) A pixel is also known as a:
A
Bit
B
Picture element
C
Dot
D
Matrix
5) The part of a PSP plate that includes random sizes of crystals is the:
A
Support layer
B
Structured phosphor layer
C
Turbid phosphor layer
D
Conductive layer
6) What is the output phosphor of an image intensifier composed of?
A
Zinc cadmium sulfide
B
Calcium tungstate
C
Cadmium tungstate
D
Cesium iodide
7) To prevent the Moire` artifact, it is important that grid lines and scanning laser are:
A
Grid lines and scanning laser do not create the Moire` artifact
B
Parallel
C
Perpendicular
D
Oscillating
8) In a pixel, the volume of tissue in the patient is termed:
A
Bit depth
B
Spatial resolution
C
Voxel
D
Pixel depth
9) Testing performed during a major repair is called:
A
Acceptance testing
B
Error testing
C
Installation testing
D
Routine testing
10) In a digital imaging system, the bit capacity of each pixel identifies the:
A
spatial frequency
B
gray scale
C
MTF
D
dynamic range
11) The bucky and x-ray beam alignment must be within:
A
5%
B
1%
C
2%
D
0.5%
12) A phantom image in digital imaging can result because of:
A
backscatter
B
supernatural phenomena
C
incomplete erasure
D
image blur
13) Which operating mode of a tri-focused image intensifier is associated with the least magnification?
A
All have the same magnification
B
6 inch
C
14 inch
D
9 inch
14) A high DQE will result in a ________ patient dose.
A
unmeasureable
B
High
C
DQE and patient dose are not related
D
Low
15) What is used in the active layer for indirect digital imaging?
A
cesium iodide
B
amorphous silicon
C
amorphous selenium
D
photostimulable phosphors
*select an answer for all questions
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