120 unit 8 Flashcards
1
Q
Multi leaf collimators
A
-shape the beam
-reduce dose to normal tissue
- vary dose delivered across the beam
2
Q
If you are doing SSD calculation, which of the following tissues absorption factors would you use
A
%DD
3
Q
The total # of treatments a patient receives can be defined as
A
Fractionation
4
Q
Given dose is same as
A
Applied dose
5
Q
The ratio of the absorbed dose at a given depth in a phantom to the absorbed dose at the same point in free space is the definition of
A
TAR
6
Q
ODI
A
read on patients skin
7
Q
The amount of radiation exposure from a given field size and at a given distance
A
Output