Which of the following cutoff frequencies would preserve the majority of the signal when applying a Hann filter?

The main areas of concern for SPECT quality control are uniformity and __________.

A mispositioning of counts around the edge of a detector caused by internal reflection of light is known as:

The image seen here is of what?  

Which of the following filters is a low-pass filter?

Which of the following statements about the effect of the filter cutoff frequency on an image is true?

Which imaging procedure involves taking multiple planar views around an area of interest?

If a Butterworth filter is applied to an image and the order of the filter remains constant, which of the following cutoff frequencies will result in the smoothest image?

The Ramp filter is indicated by which of the following?  

When performing COR analysis, the center of rotation offset cannot be greater than ______ pixels.