Hand Calculation Methods Flashcards

1
Q

Define PDD Formula

A

DD = Dose@depthd/Dose@depthdmax

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

TAR Formula?

A

Dose at depth d/dose in air of buildupcap

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Are %DD curves are SSD dependant whereas TAR/TMR/TPR curves are independent of SSD?

A

YES IMPORTANT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Collimator scatter factor depends on what?

A

Field size

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Please select all of the following that may be considered independent of SSD.
TAR
PDD
TMR
TPR

A

All But PDD

How well did you know this?
1
Not at all
2
3
4
5
Perfectly