An AP Forearm Projection Obtained with the Wrist and Elbow

Multiple Choice

An AP forearm projection obtained with the wrist and elbow in lateral rotation demonstrates
1) superimposed first and second metacarpal bases.
2) the proximal radius superimposed over the ulna by more than 0.25 inch (0.6 cm) .
3) superimposed fourth and fifth metacarpal bases.
4) the proximal radius and ulna without superimposition.

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