A PA axial cranial projection (Caldwell method) with accurate positioning demonstrates
1)equal distance from the crista galli to the lateral cranial cortices on each side.
2)the petrous ridges aligned with the supraorbital margins.
3)the petrous pyramids superimposed over the infraorbital margins.
4)the superior orbital fissures demonstrated within the orbits.
A) 1 and 4 only
B) 2 only
C) 1, 3, and 4 only
D) 1, 2, 3, and 4

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The Answer of A PA axial cranial projection (Caldwell method) with accurate positioning demonstrates
1)equal distance from the crista galli to the lateral cranial cortices on each side.
2)the petrous ridges aligned with the supraorbital margins.
3)the petrous pyramids superimposed over the infraorbital margins.
4)the superior orbital fissures demonstrated within the orbits.
A) 1 and 4 only
B) 2 only
C) 1, 3, and 4 only
D) 1, 2, 3, and 4

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