What is the best way to correct the overall dark appearance of this
image?
1) Increase the WW
2) Increase the WL
3) Decrease the WW
4) Decrease the WL
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4) Decrease the WL
The signal produced by a CT detector is a(n):
1) Analog electrical signal
2) Processing image data
3) Raw digital data
4) Unprocessed binary data
,Give this one a try later!
1) Analog electrical signal
By definition, the acquisition thickness is the same as the:
1) Detector row thickness
2) Reconstruction slice thickness
3) Reconstruction slive interval
4) acquisition mode
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1) Detector row thickness
Which of these reconstruction slice thicknesses is least likely to have partial volume
averaging errors?
1) 1 mm
2) 3 mm
3) 5 mm
4) 10 mm
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1) 1 mm
Temporal resolution is defined as the ability to:
1) Visualize small parts
2) Distinguish between small parts with similar physical densities
,3) Produce still images of objects in motion
4) Produce CT images without image noise
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3) Produce still images of objects in motion
What is the primary reason for decreasing the detector thickness for CT angiography
examinations?
1) Decreased patient dose
2) Increased spatial resolution
3) Increased beam coverage
4) Decreased scan time
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2) Increased spatial resolution
Based on feedback from an ACR site-visit, your imaging department needs to design
a new low-dose CT protocol for patients who weigh less than 30 pounds. Which of
these detector configurations would be most suited for this protocol?
1) 1 mm x 16 rows
2) 2 mm x 8 rows
3) 4 mm x 4 rows
4) 0.5 mm x 8 rows
Give this one a try later!
3) 4 mm x 4 rows
, A three-dimensional block of image data in CT is called a:
1) Voxel
2) Pixel
3) Slice
4) Projection
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1) Voxel
A patient requests a paper copy of their radiology report. If the paper report is
provided directly to the patient, is this a HIPAA violation?
1) This is a HIPAA violation
2) This is not a HIPAA violation
3) This is not a HIPAA violation as long as the report is anonymized
4) This is a HIPAA violation only if the patient discloses the report to third parties
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2) This is not a HIPAA violation
Consider an imaging protocol that calls for very high contrast images of the brain.
Which of these settings will display an image with the highest contrast?
1) WW=550, WL=45
2) WW=1,500, WL=50
3) WW=300, WL=80
4) WW=40, WL=30
Give this one a try later!
image?
1) Increase the WW
2) Increase the WL
3) Decrease the WW
4) Decrease the WL
Give this one a try later!
4) Decrease the WL
The signal produced by a CT detector is a(n):
1) Analog electrical signal
2) Processing image data
3) Raw digital data
4) Unprocessed binary data
,Give this one a try later!
1) Analog electrical signal
By definition, the acquisition thickness is the same as the:
1) Detector row thickness
2) Reconstruction slice thickness
3) Reconstruction slive interval
4) acquisition mode
Give this one a try later!
1) Detector row thickness
Which of these reconstruction slice thicknesses is least likely to have partial volume
averaging errors?
1) 1 mm
2) 3 mm
3) 5 mm
4) 10 mm
Give this one a try later!
1) 1 mm
Temporal resolution is defined as the ability to:
1) Visualize small parts
2) Distinguish between small parts with similar physical densities
,3) Produce still images of objects in motion
4) Produce CT images without image noise
Give this one a try later!
3) Produce still images of objects in motion
What is the primary reason for decreasing the detector thickness for CT angiography
examinations?
1) Decreased patient dose
2) Increased spatial resolution
3) Increased beam coverage
4) Decreased scan time
Give this one a try later!
2) Increased spatial resolution
Based on feedback from an ACR site-visit, your imaging department needs to design
a new low-dose CT protocol for patients who weigh less than 30 pounds. Which of
these detector configurations would be most suited for this protocol?
1) 1 mm x 16 rows
2) 2 mm x 8 rows
3) 4 mm x 4 rows
4) 0.5 mm x 8 rows
Give this one a try later!
3) 4 mm x 4 rows
, A three-dimensional block of image data in CT is called a:
1) Voxel
2) Pixel
3) Slice
4) Projection
Give this one a try later!
1) Voxel
A patient requests a paper copy of their radiology report. If the paper report is
provided directly to the patient, is this a HIPAA violation?
1) This is a HIPAA violation
2) This is not a HIPAA violation
3) This is not a HIPAA violation as long as the report is anonymized
4) This is a HIPAA violation only if the patient discloses the report to third parties
Give this one a try later!
2) This is not a HIPAA violation
Consider an imaging protocol that calls for very high contrast images of the brain.
Which of these settings will display an image with the highest contrast?
1) WW=550, WL=45
2) WW=1,500, WL=50
3) WW=300, WL=80
4) WW=40, WL=30
Give this one a try later!
