The data acquisition system, or DAS, measures the number of photons that strikes the detector, converts the information to a _______signal, and sends the signal to the computer.
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The couch top (table top) of a computed tomography scanner t…
The couch top (table top) of a computed tomography scanner table should have the following:I. low radiation absorption characteristicsII. made of carbon fiberIII. excellent vibration-damping features
Attenuation of a beam of radiation depends on:
Attenuation of a beam of radiation depends on:
An increase of matrix size (with no change in field of view)…
An increase of matrix size (with no change in field of view) will ____________ detail.
Who developed the first clinically useful computed tomograph…
Who developed the first clinically useful computed tomography scanner?
The scanner gantry aperture is a measure of the:
The scanner gantry aperture is a measure of the:
What is it called when a patient breathes differently with e…
What is it called when a patient breathes differently with each data acquisition and areas of anatomy seem to be misplaced along the z-axis?
Select the most appropriate window level for the for the bes…
Select the most appropriate window level for the for the best image display for the tissue in question::
The use of small pixels..
The use of small pixels..
The computer system for computed tomography includes all of…
The computer system for computed tomography includes all of the following except: