image production Flashcards
1
Q
which of the following reduces the scatter radiation reaching the detectors?
A
Post patient collimation and Pre-detector collimation
2
Q
what is the primary interaction between x ray photons and tissue during CT?
A
Compton Effect
3
Q
When using thrid gen CT scanner, it is important that reference detectors positioned at the peripheral portions of the detector array be exposed to…
A
unattenuated radiation
