CT Registry Review |2025 Update
Comprehensive Frequently Tested Questions
And Verified Answers With Rationales|100%
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Terms in this set (39)
Using a ___ reconstruction Smooth
filter would decrease the
appearance of noise in a
CT image
A ___ scan uses only a Localizer
single projection.
T or F False
The volume data from
which the 3D SSD is
generated is created by
combining transverse,
sagittal and coronal
recons
3 types of storage media -internal hard disk
that may hold CT image -CD
data -re-writable optical disk
___ may have to be edited Bones
from the data set to get a
diagnostic MIP of a CTA
exam
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, 3/31/25, 2:00 PM CT Registry Review |2025 Update Comprehensive Frequently Tested Questions And Verified Answers With Rationales|100% A…
3 advantages to a helical -shorter total exam time
study compared to a -can retro recon a slice at any position
conventional serial CT -offers best image quality for a brain exam
study
Which of these utilizes Filtered back projection
convolution;
-3D SSD
-Fourier Transform
-filtered back projection
Which technique are 3D shaded surface display
tissue excluded by
setting a threshold value
and eliminating pixels
above and below that
threshold
From which of these can -stacked helical
the most diagnostic
multi-planar
reconstructions be
generated
-stacked transverse
images from helical
-stacked transverse
images from
conventional
-stacked localizer
The actual attenuation Raw
data measured by
detectors from all
projections during a scan
is contained in CT___ data.
T or F True
On a single row detector
scanner, the thickness is
equal to the beam
collimating.
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