To successfully demonstrate the ethmoidal and sphenoidal sinuses on the SMV projection, which of the following must occur? the patient must be recumbent the IOML must be parallel with the IR  the central ray must be perpendicular to the IOML and horizontal 

The posterior and sphenoidal fontanels normally close:

Which of the following is clearly demonstrated within the foramen magnum during an AP axial (Towne method) projection of the skull? dorsum sellae sella turcica posterior clinoid processes

In a PA axial projection of the intercondylar fossa (Holmblad method): the femur/upper leg will form a 70-degree relationship from the table the CR will exit at the level of the patellar apex  knee joint space will be open there should be no rotation of the knee

Which side of the patient’s chest is placed against the vertical IR for a ventral or dorsal decubitus lateral projection?

What is the centering for an AP oblique projection of the lumbar spine?

For a PA projection of the mandibular rami, the CR will be centered at the level of:

The lateral projection of the facial bones clearly demonstrate(s) the:

In the typically shaped head, the petrous pyramids project anteriorly and medially from the midsagittal plane at what angle?

For an AP axial projection of the TMJs, the CR will be centered at _____.