An AP Axial Sacral Projection with Accurate Positioning Demonstrates

Multiple Choice

An AP axial sacral projection with accurate positioning demonstrates
1) the long axis of the median crest aligned with the long axis of the collimated field.
2) foreshortening of the first through fifth sacral segments.
3) the median sacral crest positioned closer to the right side.
4) the ischial spines equally demonstrated and aligned with the pelvic brim.

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