An Optimal PA Cranium Projection Demonstrates All of the Following

Multiple Choice

An optimal PA cranium projection demonstrates all of the following except

A) equal distance from the lateral orbital margins to the lateral cranial cortices on both sides.
B) anterior clinoids and dorsum sellae seen inferior to the ethmoid sinuses.
C) petrous ridges superimposing the supraorbital margins.
D) internal acoustic meatus visualized through the center of the orbits.