Final Exam Content Flashcards
1
Q
What are the characteristics of a good image?
A
translucency between overlaying structures
properly penetrated
appropriate contrast
controlled scatter
high signal to noise ratio
2
Q
Single variable technique chart what is usually our variable?
A
time
3
Q
what is total technique?
A
use 15% rule
20mAs @ 70 kVP = 10mAs @ 80kVp= 40mAs @ 60 kVp
4
Q
what is the 4cm rule?
A
for every 4cm of thickness double mAs
5
Q
technique by proportionality
A
generally obliques 2x higher than AP
laterals 4x higher than AP
6
Q
What is group 1?
A
AP ABD
AP Pelvis
AP Lip
AP Hip
Townes Skull
7
Q
What is group 2?
A
AP c-sp
AP shoulder
Lat skull
AP/PA knee
