How Is the Central Ray Directed for the PA Axial

question 21

Multiple Choice

How is the central ray directed for the PA axial projection (Holmblad method) of the intercondylar fossa?

• A) Perpendicular to the lower leg
• B) Perpendicular to the femur
• C) 40 to 50 degrees to lower leg
• D) 40 to 50 degrees to the femur

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