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 __________.

The dose calibrator quality control procedure performed to assess the device’s ability to measure accurately a range of low to high activities is called __________.

The photopeak of the spectrum is comprised mostly of this type of atomic interaction where all of the energy of the incident photon is transferred to an inner shell electron.

Which of the following correctly describes a characteristic of septal penetration?