An AP Oblique Lumbar Projection (RPO or LPO Position) with Accurate

Multiple Choice

An AP oblique lumbar projection (RPO or LPO position) with accurate positioning demonstrates
1) the superior and inferior articular processes in profile.
2) "Scotty dogs" that are stacked on top of one another.
3) the obturator foramina.
4) the pedicles situated closest to the IR in the center of the vertebral bodies.

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