Which of the following is/are true in regards to the AP axial projection of the skull? The OML should be perpendicular to the IR The central ray should be angled 15 degrees cephalad for a general survey of the skull The AP projection shows significant magnification of orbits because of the increased OID 

Which of the following accurately describes the PA axial projection of the facial bones? Center the midcoronal plane of the patient’s body to the midline of the grid Midsagittal plane will be perpendicular to the grid The CR should exit the acanthion at an angle of 15 degrees caudad The CR should exit the nasion at an angle of 15 degrees caudad

What projection of the facial bones is demonstrated in the following radiograph? 020114.jpg cropped.jpg

Which line should be placed parallel to the plane of the IR for the SMV projection of the cranial base?

What is the central ray angulation for the axiolateral oblique projection of the TMJ articulations?

Where is the central ray centered for this projection of the zygomatic arches? 021024A with paint.jpg

Which of the following is true regarding positioning for the parietoacanthial projection? The orbitomeatal line forms a 37 degree angle with the plane of the IR The mentomeatal line is nearly perpendicular to the plane of the IR The coronal plane is perpendicular to the plane of the IR

For the PA projection of the mandibular body, the central ray should be directed at the level of the:

Choose the two (2) ways that a patient may be positioned for the lateral projection of the skull:

What projection is demonstrated in the following image? 020060.jpg