Image Production And Evaluation II Final Review Game Question Preview (ID: 54109)


Review Of Image Production II. TEACHERS: click here for quick copy question ID numbers.

Which of the following applies to the input phosphor in fluoroscopy?
a) Electrons emitted
b) X-rays absorbed
c) Light absorbed
d) Light emitted

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

What is the primary factor influencing exposure for Computed Radiography?
a) mAs
b) kVp
c) LUT
d) Collimation

A pixel is also known as a:
a) Matrix
b) Dot
c) Picture element
d) Bit

The part of a PSP plate that includes random sizes of crystals is the:
a) Conductive layer
b) Structured phosphor layer
c) Turbid phosphor layer
d) Support layer

What is the output phosphor of an image intensifier composed of?
a) Cadmium tungstate
b) Calcium tungstate
c) Cesium iodide
d) Zinc cadmium sulfide

To prevent the Moire` artifact, it is important that grid lines and scanning laser are:
a) Perpendicular
b) Parallel
c) Oscillating
d) Grid lines and scanning laser do not create the Moire` artifact

In a pixel, the volume of tissue in the patient is termed:
a) Bit depth
b) Voxel
c) Spatial resolution
d) Pixel depth

Testing performed during a major repair is called:
a) Routine testing
b) Error testing
c) Acceptance testing
d) Installation testing

In a digital imaging system, the bit capacity of each pixel identifies the:
a) dynamic range
b) gray scale
c) spatial frequency
d) MTF

The bucky and x-ray beam alignment must be within:
a) 0.5%
b) 1%
c) 2%
d) 5%

A phantom image in digital imaging can result because of:
a) supernatural phenomena
b) image blur
c) incomplete erasure
d) backscatter

Which operating mode of a tri-focused image intensifier is associated with the least magnification?
a) 6 inch
b) 9 inch
c) 14 inch
d) All have the same magnification

A high DQE will result in a ________ patient dose.
a) High
b) Low
c) unmeasureable
d) DQE and patient dose are not related

What is used in the active layer for indirect digital imaging?
a) amorphous silicon
b) amorphous selenium
c) cesium iodide
d) photostimulable phosphors

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