For an Externally Rotated AP Oblique Elbow Projection with Accurate

Multiple Choice

For an externally rotated AP oblique elbow projection with accurate positioning, the
1) capitulum is in profile.
2) capitulum-radial joint space is open.
3) coronoid process is in profile.
4) ulna is demonstrated without radial head superimposition.

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