Exposure Rate, Dose Rate, Source Strength, TG-43, and Accumulated Dose Flashcards
1
Q
The exposure rate equation is
A

2
Q
The equivalent mass of Ra (MRa) for a particular isotope is given by
A

3
Q
The traditionally dose rate in a medium is given by
A

4
Q
A
5
Q
It is now recommended that the quantity air kerma strength (Sk) be used to
A
specify the strength of brachytherapy sources.
6
Q
The air kerma strength is defined as
A

7
Q
The units of air kerma strength (Sk) are
A
U = cGy h-1 cm2
8
Q
The AAPM Task Group 43 formalism is now recommended for
A
interstitital brachytherapy.
9
Q
The dose rate according to TG 43 is
A

10
Q
A
11
Q
For a temporary implant the total accumulated dose after a time t is
A
