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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
Light absorbed
B
Electrons emitted
C
Light emitted
D
X-rays absorbed
2) As Kokak exposure indicator numbers decrease by 300, exposure
A
Decreases by a factor of 2
B
Decreases by a factor of 4
C
Increases by a factor of 4
D
Increases by a factor of 2
3) What is the primary factor influencing exposure for Computed Radiography?
A
mAs
B
LUT
C
Collimation
D
kVp
4) A pixel is also known as a:
A
Dot
B
Bit
C
Picture element
D
Matrix
5) The part of a PSP plate that includes random sizes of crystals is the:
A
Turbid phosphor layer
B
Structured phosphor layer
C
Conductive layer
D
Support layer
6) What is the output phosphor of an image intensifier composed of?
A
Calcium tungstate
B
Zinc cadmium sulfide
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
Perpendicular
C
Parallel
D
Oscillating
8) In a pixel, the volume of tissue in the patient is termed:
A
Voxel
B
Bit depth
C
Spatial resolution
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
MTF
B
gray scale
C
dynamic range
D
spatial frequency
11) The bucky and x-ray beam alignment must be within:
A
2%
B
1%
C
5%
D
0.5%
12) A phantom image in digital imaging can result because of:
A
incomplete erasure
B
supernatural phenomena
C
backscatter
D
image blur
13) Which operating mode of a tri-focused image intensifier is associated with the least magnification?
A
6 inch
B
14 inch
C
9 inch
D
All have the same magnification
14) A high DQE will result in a ________ patient dose.
A
High
B
unmeasureable
C
Low
D
DQE and patient dose are not related
15) What is used in the active layer for indirect digital imaging?
A
cesium iodide
B
photostimulable phosphors
C
amorphous selenium
D
amorphous silicon
*select an answer for all questions
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