Where Is the Central Ray Directed for an AP Projection $1 / 2$

question 139

Multiple Choice

Where is the central ray directed for an AP projection of the knee?

• A) \(1 / 2\) inch above the patellar base
• B) \(1 / 2\) inch above the patellar apex
• C) \(1 / 2\) inch below the patellar base
• D) \(1 / 2\) inch below the patellar apex

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