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

question 38

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

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