A radiograph of a posteroanterior (PA) axial projection (Caldwell method) of the cranium reveals that the petrous ridges are located at the level of the lower one third of the orbits.The technologist performed this projection with the CR angled 15° caudal to the orbitomeatal line (OML) .How must positioning be altered if a repeat exposure is performed?
A) Increase the extension of the skull.
B) Increase the flexion of the skull.
C) Increase the CR angulation.
D) None of the above; positioning was correct.
Correct Answer:
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