MSK RAD Flashcards
1
Q
densities on ct
A
1000 HU air-black 0-10 HU is water- dark grey 1000 HU-Bone white soft tissue muscle 20-80 light grey hounsfield units
2
Q
ct/pet
A
measures metabolic activity
3
Q
CT/X-ray/flouroscopy/radiography
A
use x rays
4
Q
nuclear medicine
A
gamma rays
5
Q
MRI
A
radiofrequency waves
6
Q
density of tissue on radiograph
A
amount of x rays absorbed
7
Q
CT abdomen/Pelvis natural background radiation =
A
3 years
8
Q
CT chest
A
2 years
9
Q
radiography of chest
A
10 days
