For a 15- to 20-Degree Internally Rotated AP Oblique Ankle

Multiple Choice

For a 15- to 20-degree internally rotated AP oblique ankle projection, the
1) central ray is centered at the level of the medial malleolus.
2) foot is dorsiflexed to a 90-degree angle with the lower leg.
3) long axis of the lower leg is aligned with the long axis of the collimated field.
4) leg is internally rotated until the intermalleolar line is parallel with the IR.

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