Technical Considerations for Abdominal Imaging of Obese Patients Include All

Technical considerations for abdominal imaging of obese patients include all of the following except
1) increasing kV will increase the penetrability of the photons.
2) increasing kV will increase the amount of scatter radiation directed toward the IR.
3) mAs should be doubled for every 2 cm of added tissue.
4) kV should be increased by 2 for every 2 cm of added tissue.

A) 1 and 2 only
B) 1, 2, and 4 only
C) 3 and 4 only
D) 2, 3, and 4 only