For an AP Oblique Sacroiliac Joint Projection (LPO Position), the

Multiple Choice

For an AP oblique sacroiliac joint projection (LPO position) , the
1) patient's midsagittal plane is placed at a 25- to 30-degree angle with the imaging table.
2) sacroiliac joint of interest is positioned farther from the IR.
3) right marker should be used.
4) central ray is centered 1 inch (2.5 cm) medial to the elevated ASIS.

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