Chapter 20: Radiology and Nuclear Medicine Flashcards
1
Q
computed tomography (CT)
A
diagnostic x-ray procedure whereby a cross-sectional image of a specific segment is produce.
2
Q
contrast studies
A
radiopaque materials are injected to obtain contrast with surrounding tissue when shown on the x-ray film
3
Q
gamma camera
A
machine to detect gamma rays emitted from radiopharmaceuticals during scanning for diagnostic purposes.
4
Q
gamma rays
A
high-energy rays emitted by radioactive substances in tracer studies
5
Q
half-life
A
time required for a radioactive substance to lose half it radioactivity by disintegration.
