In SPECT imaging, which of the following image characteristics degrades contrast?

Analog scintillation cameras produce a signal in which voltage changes with time and requires a(n) __________ to convert the analog signal to the digital signal, needed by the computer.

___________ indicates how long scintillation photons are released after a radiation interaction.

Which of the following is TRUE concerning Compton scatter?

As a pinhole collimator is moved farther away from the thyroid, how will this affect the image?

Quality control (QC) is a __________.

Which of the following collimators will NOT distort the organ being imaged?

Which of the following can cause incorrect center of rotation?

At minimum, dose calibrator accuracy must be checked __________.

When performing intrinsic uniformity, the point source must be located at least __________ UFOVs from the camera.