An Externally Rotated PA Oblique Wrist Projection with Accurate Positioning

Multiple Choice

An externally rotated PA oblique wrist projection with accurate positioning demonstrates
1) the trapezoid and trapezium without superimposition.
2) an open radioulnar articulation.
3) the ulnar styloid in profile.
4) superimposition of the medially located carpals.

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