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CTMT 2336 Chapter 1 Basic Principles Of CT Study Set Exam
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CTMT 2336 Chapter 1 Basic PrinciplesOf CT Study Set Exam
What are the main advantages of CT over conventional radiography? - Answer
Elimination of superimposed structures, the ability to differentiate small differences in
density, and superior quality of images
Preliminary image for a Siemen CT scanner is called what? - Answer topogram
Preliminary image for a GE CT scanner is called what? - Answer scout
Preliminary image for a Toshiba CT scanner is called what? - Answer scanogram
Continuous acquisition scanning on a Siemen CT scanner is called what? - Answer
spiral
Continuous acquisition scanning on a GE CT scanner is called what? - Answer helical
Continuous acquisition scanning on a Toshiba CT scanner is called what? - Answer
isotropic
Describes the ability of a system to define small objects distinctly - Answer spatial
resolution
Refers to the ability of a system to differentiate, on the image, objects with similar
densities - Answer low-contrast resolution
refers to the speed that the data can be acquired. This speed is particularly important to
reduce or eliminate artifacts that result from object motion. - Answer temporal
resolution
The thickness of the plane is referred to as what axis? - Answer Z axis
The height of the plane is referred to as what axis? - Answer Y axis
The width of the plane is referred to as what axis? - Answer X axis
The X, Y, and Z axis forms a 3 dimensional cube called a what? - Answer voxel (volume
element)
The grid formed from the rows and columns of pixels is called what? - Answer matrix
What is the most common matrix size utilized in CT? - Answer 512
Bundle of energy is known as what? - Answer photons
the degree to which an x-ray beam is reduced by an object is referred to as what? -
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