An AP Axial Cervical Projection Demonstrates the Third Cervical Vertebra

Multiple Choice

An AP axial cervical projection demonstrates the third cervical vertebra superimposed by the lower jaw. How should the positioning setup be adjusted for an optimal projection to be obtained?
1) Decrease the degree of central ray angulation.
2) Rotate the patient toward the left side.
3) Elevate the chin.
4) Align the acanthiomeatal line perpendicular to the IR.

A) 1 and 2 only
B) 3 only
C) 3 and 4 only
D) 1, 3, and 4 only