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What Type of CR Angle Is Required for the AP

Question 30

Multiple Choice

What type of CR angle is required for the AP semi axial (alternative lordotic) projection for the lung apices?

A) None.CR is perpendicular to IR.
B) 10° to 15° caudad.
C) 15° to 20° cephalad.
D) 25° to 35° caudad.

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