GXMO Digital Imaging Principles Exam
Questions and Answers 100% Pass
The first step in the digital imaging process is - ✔✔Acquisition
The smallest component of an image matrix, that represents a specific location in the
patient is a - ✔✔Pixel
Adjustment of window level of a digital image viewed on the monitor allows
adjustment of the image - ✔✔Brightness (density)
Increasing the window width of a digital image on the monitor - ✔✔Decrease the
contrast of the image
Matrix size is the major determinant of image - ✔✔Resolution
Digital image noise from quantum mottle can be decreased by - ✔✔Increasing the
exposure
In ____________ image formation the analog to digital conversion step is eliminated -
✔✔Direct digital radiography (DR)
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, Where is the latent image formed in computed radiography? - ✔✔In the
photostimulable Phosphor
What type of laser is used to release the energy stored in the CR phosphors? -
✔✔Helium-neon
In a CR system, what is the device that collects, amplifies and converts the released light
to an electronic signal? - ✔✔The photomultiplier tube
Prior to being reused, the CR imaging plate must be - ✔✔Exposed to intense light
What are the mathematical calculations used for image construction for a specific
examination called? - ✔✔Algorithms
What post-processing technique is utilized to remove superimposing structures from
the image? - ✔✔Subtraction
What percentage is exposure error will result in poor image quality on a digital image? -
✔✔50%
What is the term for the graphic display of the range and quantity of pixel values
during CR image processing? - ✔✔Histogram
If the image matrix is increased and the pixel size is decreased to fill the matrix, what is
the effort on spatial resolution? - ✔✔Resolution increases
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Questions and Answers 100% Pass
The first step in the digital imaging process is - ✔✔Acquisition
The smallest component of an image matrix, that represents a specific location in the
patient is a - ✔✔Pixel
Adjustment of window level of a digital image viewed on the monitor allows
adjustment of the image - ✔✔Brightness (density)
Increasing the window width of a digital image on the monitor - ✔✔Decrease the
contrast of the image
Matrix size is the major determinant of image - ✔✔Resolution
Digital image noise from quantum mottle can be decreased by - ✔✔Increasing the
exposure
In ____________ image formation the analog to digital conversion step is eliminated -
✔✔Direct digital radiography (DR)
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 1
, Where is the latent image formed in computed radiography? - ✔✔In the
photostimulable Phosphor
What type of laser is used to release the energy stored in the CR phosphors? -
✔✔Helium-neon
In a CR system, what is the device that collects, amplifies and converts the released light
to an electronic signal? - ✔✔The photomultiplier tube
Prior to being reused, the CR imaging plate must be - ✔✔Exposed to intense light
What are the mathematical calculations used for image construction for a specific
examination called? - ✔✔Algorithms
What post-processing technique is utilized to remove superimposing structures from
the image? - ✔✔Subtraction
What percentage is exposure error will result in poor image quality on a digital image? -
✔✔50%
What is the term for the graphic display of the range and quantity of pixel values
during CR image processing? - ✔✔Histogram
If the image matrix is increased and the pixel size is decreased to fill the matrix, what is
the effort on spatial resolution? - ✔✔Resolution increases
100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 2
