2235 Procedures Review 1

How many degrees caudally do you angle the CR for the PA Axial (Caldwell)?

• 10°

• 15°

• 20°

• 25°

The dorsum sellae and the posterior clinoid processes are clearly demonstrated within the foramen magnum during an AP Axial (Towne) projection of the Skull.

• TRUE

• FALSE

How many inches above the EAM does the CR enter for a Lateral Skull?

• 1 inch

• 2 inches

• 3 inches

• 4 inches

The IOML is parallel to the front edge of the IR in Lateral Facial Bones.

• TRUE; IOML is parallel

• FALSE; IOML is perpendicular

For the mandibular rami in a PA Mandible, the forehead and nose rest on the IR.

• TRUE

• FALSE

These radiographic approaches are usually employed to show medial or lateral displacement of fragments in fractures of the rami. What are the two approaches?

• PA

• PA Axial

• Lateral

• RPO

Where does your CR enter for the Lateral Nasal Bones?

• ½ inch distal to the nasion

• 1 inch distal to the nasion

• At the nasion

• ½ inch proximal to the nasion

Where does your CR enter for the Lateral Orbits?

• outer canthus

• inner canthus

• mid orbit

• infraorbital margin

The Sphenoid sinus are immediately located below the sella turcica.

• TRUE

• FALSE

We usually perform Sinus exams upright to:

• see air fluid levels

• improve patient comfort

• reduce examination time

• enhance image clarity