Ira 222 Week2 Quiz Review Flashcards
1
Q
Primary factors (3)
A
K.v.p, ma, S
2
Q
Higher Kip results in less absorption ‘ & more variation in the intensities exiting the patient (t/f)
A
F
3
Q
Reducing the amount of scatter radiation reaching the ir results in?
A
Higher radiographic contrast
4
Q
The device used to absorb scatter radiation in the radiation leaving the patient before Ir reaches the Ir is the:
A
Grid
5
Q
To maintain the same expo. To ir, if Sid is increase eco, the MAs must be:
A
Increased
6
Q
What is the relationship between KVP and subject contrast
A
High kvp= low contrast
7
Q
With digital imaging I if the MAs is too high…….
A
The image brightness will appear apporiate
8
Q
(T/f) MAs doesn’t affect brightness in a digital image
A
T
