radiology week 1 Flashcards
1
Q
five basic densities
A
air (blackest on radiograph), fat, soft tissue or fluid, calcium, metal
2
Q
vessels + bronchi in normal CXR
A
blood vessels = white lines (branch and taper to periphery); cannot differentiate bet pulmonary arteries and veins bronchi: invisible, thin walled, contain air and surrounded by air
3
Q
retrosternal clear space
A
relatively lucent crescent behind sternum, will fill-in w/ soft tissue density when anterior mediastinal mass is present
4
Q
hilar region
A
made up of pulmonary arteries
5
Q
fissures
A
6
Q
A
