Which of the following accurately describes the mesocephalic skull? Petrous ridges lie at an angle of 47 degrees from the MSP Petrous ridges lie at an angle of 54 degrees from the MSP Petrous ridges lie at an angle of 40 degrees from the MSP Typical shaped head Atypical shaped head

Which part of the patient’s face is touching the upright bucky, or table, for a parietoacanthial projection?

What projection is demonstrated in the following image? caldwell of sinuses.jpg

Which of the following must be projected below the maxillary sinuses for the parietoacanthial projection of the sinuses?

For the PA projection of the mandibular body, the central ray should be ____ to the IR.

Which of the following lines is placed perpendicular to the plane of the IR for the AP axial projection of the TMJ articulations?

In an adult, the average angle difference that exists between the OML and the IOML is _____.

Refer to the labeled illustration of the landmarks of the cranium below.  The AML is represented by which numbered structure? Lat 2(2).jpg

Refer to the illustration of the landmarks of the cranium below.  The glabellomeatal line is represented by which numbered structure? Lat 2(4).jpg

Which of the following projections requires a central ray angle of 30 degrees cephalad?