ASRT 7
Localized blurring and stitching artifacts that occur with flat-panel receptors are caused
by problems with the: - answer individual detector elements
Which of the following capabilities of a PSP system uses a resolution grid that
measures line pairs per millimeter for testing? - answer spatial resolution
Which of the following quality tests are performed on a daily basis; 1. visual inspection;
2. plate reader inspection; 3. monitor QC. - answer1, 2, and 3
A phantom image assessment known as the shading test is used to evaluate: - answer
brightness uniformity
PSP plates should be erased every: - answer48 hours
Which of the following assessments reduces fog from background radiation to the
lowest possible levels? - answer image erasure test
An inconsistent gray level that appears like jagged lines is known as: - answer laser
jitter artifact
Flat-panel or LCD monitors are gradually replacing CRT monitors - answertrue
Measurement calibration ensures that the dimensions of pathologic findings are
accurately documented in the radiology report. - answertrue
How often should the display monitor test using the SMPTE test pattern be performed?
- answerdaily
How often does the medical physicist return to conduct tests he or she performed during
acceptance testing? - answerannually
As with PSP plates that are not erased properly, flat-panel image receptors retain
images when the detector element value doesn't return to _____ after an exposure. -
answer0
Who are among the first line of defense in identifying changes in image quality: 1.
Students; 2. Managers; 3. Technologists? - answer1, 2 and 3
Which type of phantom is used to test digital fluoroscopy units? - answera patient-
equivalent phantom
Localized blurring and stitching artifacts that occur with flat-panel receptors are caused
by problems with the: - answer individual detector elements
Which of the following capabilities of a PSP system uses a resolution grid that
measures line pairs per millimeter for testing? - answer spatial resolution
Which of the following quality tests are performed on a daily basis; 1. visual inspection;
2. plate reader inspection; 3. monitor QC. - answer1, 2, and 3
A phantom image assessment known as the shading test is used to evaluate: - answer
brightness uniformity
PSP plates should be erased every: - answer48 hours
Which of the following assessments reduces fog from background radiation to the
lowest possible levels? - answer image erasure test
An inconsistent gray level that appears like jagged lines is known as: - answer laser
jitter artifact
Flat-panel or LCD monitors are gradually replacing CRT monitors - answertrue
Measurement calibration ensures that the dimensions of pathologic findings are
accurately documented in the radiology report. - answertrue
How often should the display monitor test using the SMPTE test pattern be performed?
- answerdaily
How often does the medical physicist return to conduct tests he or she performed during
acceptance testing? - answerannually
As with PSP plates that are not erased properly, flat-panel image receptors retain
images when the detector element value doesn't return to _____ after an exposure. -
answer0
Who are among the first line of defense in identifying changes in image quality: 1.
Students; 2. Managers; 3. Technologists? - answer1, 2 and 3
Which type of phantom is used to test digital fluoroscopy units? - answera patient-
equivalent phantom
