In modern fluoroscopic systems with an image intensifier, how is the CCD connected
to the output phosphor
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fiber optically
Which of the following is another name for ABC
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Automatic Exposure rate control
,During fluoroscopy procedures, ABC is typically preferred over manually exposure
factors because
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ABC provides a constant signal intensity that compensated for changes in
thickness and density
How is image intensifier efficiency related to patient dose
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inversely related, higher efficiency requires a lower radiation dose
What formula is used to calculate minification gain
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dI^2/dO^2
what type of grid orientation is often found in conventional fluoroscopic grids
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linear
, In fluroscopy, brightness gain is the product of the
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flux gain and minification gain
In order to decrease patient dose while performing a fluoroscopic procedure on a
pediatric patient, the operator should
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remove the grid
Which two of the following fluoroscopic quality issues are not caused by the design
of the image intensifier
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noise
lag
which of the following occurs when three incident photons stike the input phosphor
and produce 4,500 light photons from the output phosphor
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to the output phosphor
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fiber optically
Which of the following is another name for ABC
Give this one a try later!
Automatic Exposure rate control
,During fluoroscopy procedures, ABC is typically preferred over manually exposure
factors because
Give this one a try later!
ABC provides a constant signal intensity that compensated for changes in
thickness and density
How is image intensifier efficiency related to patient dose
Give this one a try later!
inversely related, higher efficiency requires a lower radiation dose
What formula is used to calculate minification gain
Give this one a try later!
dI^2/dO^2
what type of grid orientation is often found in conventional fluoroscopic grids
Give this one a try later!
linear
, In fluroscopy, brightness gain is the product of the
Give this one a try later!
flux gain and minification gain
In order to decrease patient dose while performing a fluoroscopic procedure on a
pediatric patient, the operator should
Give this one a try later!
remove the grid
Which two of the following fluoroscopic quality issues are not caused by the design
of the image intensifier
Give this one a try later!
noise
lag
which of the following occurs when three incident photons stike the input phosphor
and produce 4,500 light photons from the output phosphor
Give this one a try later!
