A small cold lesion will appear to have less count density than it really has, due to the _______________________
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The daily quality control study for a CT tomograph is perfor…
The daily quality control study for a CT tomograph is performed with:
A dose calibrator must be repaired or replaced if accuracy o…
A dose calibrator must be repaired or replaced if accuracy or precision exceeds _____
This image is a transverse image of a COR evaluation using a…
This image is a transverse image of a COR evaluation using a point source. Which of the following is true regarding this image?
Which of the following provides information of photon energy…
Which of the following provides information of photon energy to the pulse hieght analyzer of a gamma camera?
Which would be the SPECT orbit of choice for a brain scan?
Which would be the SPECT orbit of choice for a brain scan?
The process of rotating a 3D image matrix so that it conform…
The process of rotating a 3D image matrix so that it conforms to a particular set of axes is called _______________
All of the following are true about region B listed below ex…
All of the following are true about region B listed below except:
When a star artifact is seen on a gamma camera image, it can…
When a star artifact is seen on a gamma camera image, it can be lessened by switching to a ___________________ .
Extrinisic uniformity correction is likely to mask which abn…
Extrinisic uniformity correction is likely to mask which abnormality?