Proper Elevation of the Distal Lower Leg and Vertical Placement

Multiple Choice

Proper elevation of the distal lower leg and vertical placement of the foot's long axis (heel is not rotated side to side) for the PA axial knee projection (Holmblad method)
1) superimposes the proximal surfaces of the intercondylar fossa.
2) places the patellar apex superior to the intercondylar fossa.
3) superimposes the lateral and the medial surfaces of the intercondylar fossa.
4) superimposes the anterior and the posterior margins of the tibial plateau.

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