Radiology Flashcards
1
Q
Absorbed Dose (RAD)
A
measures the energy transferred by radiation to a body part
2
Q
Dose Equivalent (REM)
A
allows for differences in how ionizing radiation affects each tissue
3
Q
Maximum Permissible Dose (MPD)
A
maximum dose of radiation that a person may receive in a given period
4
Q
What do grids do?
A
prevent scattered radiation from reaching the film
5
Q
How is mAs calculated?
A
mAs = mA x second
6
Q
What is mAs?
A
represents the blackening of the image or the density
7
Q
When should adjustments to kV be made?
A
should be limited to tissue size
8
Q
What are intensifying screens?
A
layers of tiny luminescent phosphor crystals bound together on a polymer base and infiltrated with a protective material