A PA axial cranial projection (Caldwell method) with poor positioning demonstrates the petrous ridges inferior to the infraorbital margins. How was the patient positioned for such a projection to be obtained?
1)The patient's chin was not tucked enough.
2)The OML was not positioned perpendicular to the IR.
3)The patient's face was rotated toward the right side.
4)The patient's head was tilted.
A) 1 and 2 only
B) 2 only
C) 2 and 3 only
D) 4 only

Question

Quizplus · Accepted Answer

Poor positioning of the patient's chin and failure to maintain perpendicularity between the OML and the IR resulted in the petrous ridges appearing inferior to the infraorbital margins.

A PA Axial Cranial Projection (Caldwell Method) with Poor Positioning