__________ characterizes positional deviations in a gamma camera image as a function of gamma ray energy and has particular application for multipeak isotope imaging with Ga-67, In-111, and Tl-201.

The line spread function for a point source has a larger FWHM as you get farther from the collimator and crystal. What does this mean with regard to spatial resolution?

On the basis of the flood image below, what is the next course of action?

A small cold lesion will appear to have greater count density than it really has, due to __________.

PACS stands for ___________.

According to national standards, how often should activity linearity of a dose calibrator be measured?

Which of following typically performs energy/linearity corrections?

Which isotope requires a medium-energy collimator?

__________ defines the formats for medical images that can be exchanged with the data and quality necessary for clinical use.

Before performing a room survey with a G-M counter, the technologist should first __________.