The use of elliptical and/or body contour orbits in SPECT imaging should result in improved __________.

The dose calibrator quality control procedure testing a long-lived standard at each of the frequently used radionuclide settings is called __________.

The purpose of the ________ is to multiply the small number of electrons generated at the photocathode into a measurable electronic signal.

Which of the following is a detection of information as a function of count density to determine scan speed?

Which of the following statements about the shielding method of performing a dose calibrator linearity test is TRUE?

If after acquiring a bar phantom images as shown below, the technologist should recognize the artifact as __________.

When a technologist calibrates the scintillation detector, they are adjusting the ___________.

To obtain high resolution images of a small organ, gland, or joint, which collimator would be most useful?

A __________ artifact occurs when radioactivity moves out of the field of view during SPECT acquisition.

As collimator resolution increases, sensitivity __________.