The CT Registry Review Program is about a detailed discussion of every concept highlighted in the CT certification exam's content specifications. It is designed to help technologists prepare effectively for the CT exam and enable them to take and interpret CT scans of patients accurately. Are you looking to test your knowledge of this topic? Well, here is the perfect quiz you can attempt right now!
Increasing matrix size
Decreasing matrix size
Increasing slice thickness
Decreasing slice thickness
Cupping artifact
Misregistration
Overshoot artifact
Out of field artifact
Pixel
Voxel
Matrix
Reformat
0.5 mm
0.5 cm
0.05 cm
Both A and C
Multiplanar
Rotation only
Translate - rotate
Transaxial
Hounsfield units
Electromagnetic interference numbers
Cormacks
U
1 only
1 and 3
2 and 3
1,2, and 3
Scatter
Attenuation
Transmission
Luminescence
Increased transmission measurements
Increased patient dose
Decreased transmission measurements
Excess tube wear
Statistical noise
Electronic noise
Artifactual noise
Filter noise
Electron beam
Third-generation
Fourth generation
Spiral
45 degrees
90 degrees
180 degrees
360 degrees
Slice thickness
Matrix size
Kernel
DFOV
Positive CT numbers
High spatial frequencies
Negative CT numbers
Low spatial frequencies
1 only
1 and 2 only
2 and 3 only
1, 2, and 3
Floppy disk
Magnetic tape
VHS tape
Optical disk
Linearity
Mottle
Quantum noise
Spatial resolution
Data acquisition system (DAS)
Analog-to-analog converter
Digital-to-analog converter
Array Processor
The algorithm, matrix size, and DFOV may all be changed.
The slice thickness and SFOV may be changed
Scan (raw) data must be available
Retrospective image reconstuction may be used to adjust the center of the displayed image.
Decrease in dose
Decrease in lice thickness
Increase in matrix size
Decrease in matrix size
Axial plane
X axis
Y axis
Z axis
2 only
3 only
1 and 2 only
2 and 3 only
The displayed image appears larger
Spatial resolution increases
A smaller number of detectors are activated.
The displayed image appears smaller.
-20 Hounsfield units
+10 Hounsfield units
+45 Hounsfield units
+100 Hounsfield units
Xenon
Cadmium tungstate
Helium
Nitrogen
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