Which positioning line is placed perpendicular to the plane of the IR for the Parietoacanthial waters projection?

Situation: A patient enters the ER with a possible fracture of the right zygomatic arch. Which of the following routines would best diagnose a possible fracture of this structure?

Submentovertex, parietoacanthial, and bilateral tangential superoinferior projections
Parietoacanthial, parieto-orbital, and lateral facial bone projections
Modified parietoacanthial, 15° PA Caldwell, and lateral facial bone projections
Submentovertex, bilateral oblique inferosuperior (tangential), and AP axial projections

Which positioning line is placed perpendicular to the plane of the image receptor for the Parietoacanthial projection of facial bones?

skull/facial bones/sinuses/mandible/.

Which line is placed perpendicular to the plane of the IR for the PA projection of the sinuses?

Positioning TMG SINUS MANDIBLE.

Which positioning line is perpendicular to the IR for a PA projection of the skull?

The mentomeatal line (MML) will be approximately perpendicular to the plane of the IR.

Which positioning line is placed perpendicular to the plane of the IR with a true lateral nasal bone projection?

Rotation review.