Spatial information is converted to frequency information by the mathematical process known as __________.

Which of the following can be used to assess the amount of motion in a SPECT image?

Which hormones are produced by the parathyroid gland?

Although a liquid flood source has several advantages over a Co-57 sheet source, which of the following is a DISADVANTAGE of the liquid source?

__________ occurs because unfiltered backprojection uses the low-frequency data repeatedly as it backprojects 2D projections.

When a Geiger counter is used to measure a radioactive source and its cover is removed, what type(s) of radiation are being measured?

As a hole diameter __________, photons at greater angles pass through the collimator without being absorbed.

In a normal distribution, what percentage of measurements fall within two standard deviations of the mean?

How often should bar phantoms be acquired on a gamma camera?

I-131 imaging is best performed with which type of collimator?