An AP Axial Chest Projection (Lordotic Position) Demonstrates the Clavicles

Multiple Choice

An AP axial chest projection (lordotic position) demonstrates the clavicles superimposing the lung apices and the anterior ribs inferior to their corresponding posterior ribs. How should the positioning setup be changed to obtain an optimal projection?

A) Move the IR more inferiorly.
B) Position the central ray more superiorly on the patient.
C) Decrease the degree of central ray angulation.
D) Increase the degree of midcoronal plane tilt with the IR.