A 5- to 7-Degree Central Ray Angulation Is Used for a Lateral

Multiple Choice

A 5- to 7-degree central ray angulation is used for a lateral knee projection
1) to project the medial condyle anterosuperiorly.
2) on a patient with a narrow pelvis and long femora.
3) to offset the reduction in medial inclination that occurs when the patient is in a lateral recumbent position.
4) to achieve an open femorotibial joint space.

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