Imaging Flashcards
1
Q
What is attenuation?
A
The process by which radiation loses power as it travels through/ interacts with matter.
2
Q
What is barium in imaging?
A
A contrast agent used for outlining the digestive track.
3
Q
What is ionising radiation?
A
A particle/ wave with sufficient energy that it ionises a neutral atom of molecule, leaving it with an overall positive or negative charge.
