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What Is the Central-Ray Angulation for Demonstration of the Entire

Question 174

Multiple Choice

What is the central-ray angulation for demonstration of the entire foramen magnum during an AP axial (Towne) projection?

A) 37 degrees caudad
B) 40 degrees caudad
C) 60 degrees caudad
D) 40 to 60 degrees caudad

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