Exam 11: Cranium, Facial Bones, and Paranasal Sinuses

Which group of sinuses is shaded (screened) in the frontal and lateral views of the illustration below?

The pituitary gland (hypophysis cerebri) is associated with and protected by the ____ bone.

Which of the following terms describes the small irregular bones occasionally found in the sutures?

The mastoid air cells communicate with the:

Which plane or perspective is most often produced for a CT scan of the sinuses?

Which sinus often produces an air/fluid level indicating a basilar skull fracture?

Part 9 is part of which bone?

Which of the following technical factors do NOT apply to lateral nasal bone projections?

Which bone is involved with a tripod fracture?

The part labeled 8 is part of which bone?

What is the angle between the midsagittal plane and the IR for a parieto-orbital oblique projection of the optic foramen?

Which projection best demonstrates the floor of the orbits with minimal distortion?

Where should the optic foramen be located with a well-positioned parieto-orbital oblique projection of the optic foramina?

Match each radiographic appearance with the corresponding pathologic indication.(Use each selection only once.) -Bone destruction with widened internal auditory canal

The upper and lower teeth are embedded in the:

Which positioning line must be used with a 30° caudad angle for an AP axial projection of zygomatic arches?

Optic foramen studies are routinely taken as bilateral projections.

A radiograph of an axiolateral oblique projection of the mandible reveals that the mandibular body is greatly foreshortened.Which of the following modifications is necessary to produce a more diagnostic image?

The submentovertical projection requires that the infraorbital meatal line (IOML) is placed parallel to the image receptor.

Which of the following structures are described as scroll-like projections found in the nasal cavity?