Exam 11: Cranium, Facial Bones, and Paranasal Sinuses

Which bony landmark represents the highest level of the facial bone mass?

The lateral projection of the facial bones is typically a unilateral projection.

A fracture involving the facial bones where a blow to one side causes a fracture to the opposite side is termed a ____ fracture.

A patient comes to radiology with acute mastoiditis.Which one of the following imaging modalities will best demonstrate possible bony destruction within the mastoid region?

Where is the CR centered for a lateral projection of the facial bones?

Which positioning line is parallel to the IR for the oblique inferosuperior (tangential) projection of the zygomatic arches?

An average-shaped skull with a 47° angle between the petrous pyramids and the midsagittal plane is classified as:

The recommended digital systems kV range for the superoinferior tangential (axial) projection of the nasal bones is:

Match each of the following radiographic appearances with the corresponding pathologic indication.(Use each selection only once.) -Radiolucent areas within the bony cranium

The modified parietoacanthial (modified Waters) projection requires more extension of the head and neck as compared with the parietoacanthial (Waters) projection.

Both CT (computed tomography) and MRI (magnetic resonance imaging) can provide reconstructed images in three planes: axial, sagittal, and coronal.

The posterior aspect of the orbit is termed the:

Part 3 is part of which bone?

Which of the following projections will best demonstrate the entire mandible with one exposure?

The cranial bone labeled i is the: (Anatomic structures are labeled i through vi and sutures a through h.)

Which bony structure is labeled v? (Anatomic structures are labeled i through vi and sutures a through h.)

Match each of the following radiographic appearances with the corresponding pathologic indication.(Use each selection only once.) -Distinctive lesions with moth-eaten appearance, a combination of increased density and destructive irregular border lesions

What can the technologist do if the patient cannot extend the head and neck adequately for the routine submentovertical projection of the zygomatic arches?

A patient enters the ED with facial bone injuries.The physician is concerned about a possible blow-out fracture of the left orbit.Which one of the following projections would best diagnose this injury?

Where are the ethmoid sinuses located within the ethmoid bone?