RBE stands for: Red Biological Effect Relative Biological ...

[deesands]

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]

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.

[deesands]

TYSM

[Bigfoot1984]

Thanks for the timely response, appreciate it