Author Question: RBE stands for: Red Biological Effect Relative Biological Effect Radiation Biological Effect ... (Read 76 times)

deesands · **on:** Jul 17, 2018

RBE stands for:

Red Biological Effect
Relative Biological Effect
Radiation Biological Effect
Reverse Biological Effect

Question 2

If performing an AP foot, where should the heel of the foot be positioned when considering the production of a uniform density?

with the exact central ray
towards the anode
towards the cathode
the position of the heel won't matter

frre432 · **Reply #1 on:** Jul 17, 2018

Answer to Question 1

Relative Biological Effect

Rationale: Biologic damage due to radiation interaction increases as the Linear Energy Transfer of radiation increases.

Answer to Question 2

towards the cathode

Rationale: According to the anode heel effect, the thicker part or the heel should be aligned with the cathode end of the tube to assist with production of more uniform density.