For an AP Axial Sacroiliac Joint Projection, the

For an AP axial sacroiliac joint projection, the
1) patient is supine with the legs flexed until the feet are flat on the imaging table.
2) central ray is angled 35 degrees cephalically for male patients.
3) central ray is centered to the midsagittal plane at a level 1.5 inches superior to the symphysis pubis.
4) male patients require 5 degrees less central ray angulation than female patients.

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