linac audit Flashcards
1
Q
What methods can we audit a linac
A
water tank
beam geometry
measure x-ray field
ion chamber
alignment block
2
Q
why is water chosen to measure dose?
A
as the human body is aqueous
water has a uniform density
cheap
3
Q
……….. ……… is when the collimators are not in the right position
A
step-out
4
Q
A
