Exam 11: Cranium, Facial Bones, and Paranasal Sinuses

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

Part 9 is part of which bone?

Where are the ethmoid sinuses located within the ethmoid bone?

Along with the use of erect positions,what other technical factor is important to demonstrate air/fluid levels in paranasal sinuses?

The frontal bone articulates with ____ cranial bones.

Which cranial bone contains the foramen ovale?

MATCHING Select the imaging modality that would best demonstrate the following pathologies. -Early detection of metastases

Which of the following terms describes the anterior fontanel found in the adult skull?

How much difference is there between the OML and IOML positioning lines?

Where does the CR exit for the optional PA axial projection of the mandible?

The mastoid air cells communicate with the:

How much skull rotation (from a lateral position)is required to place the ramus parallel to the IR for the axiolateral oblique projection of the mandible?

Which of the following terms describes the junction of the two nasal bones?

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

The part labeled i is the:

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

A radiograph of a parietoacanthial (Waters)projection reveals that the petrous ridges are superimposed over the lower 30% of the maxillary sinuses.What specific positioning error (if any)led to this radiographic finding?

A patient enters the ED with a possible fracture of the right zygomatic arch.Which of the following routines would best diagnose a possible fracture of this structure?

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

Match each radiographic appearance with the corresponding pathologic indication.(Use each selection only once.) -Excessive bone formation generally involving both the middle and inner ear