Exam 11: Cranium

Which two are clearly demonstrated within the foramen magnum during an AP axial (Towne)projection of the skull? (Select all that apply.)

Which reference line is positioned horizontal to ensure proper extension of the head during a lateral projection of the sinuses?

What is the central-ray angulation for the SMV projection?

Radiographic demonstration of the cranial base is performed by which method?

The bone identified on the skull below is the:

Often a patient cannot be turned into the prone position for a PA axial projection of the skull (Caldwell method).What central-ray angle would be used if the AP axial projection is used instead?

All are clearly demonstrated on an SMV projection of the cranial base,except:

What structure is labeled as letter B in the image below,used to evaluate the cranium?

Which of the following is located in the internal ear?

The letter A in the image below of the paranasal sinuses labels the _____ sinuses.

The part of the sphenoid bone identified in the figure below is the:

What projection (method)used to evaluate the cranium is demonstrated in the image below?

The bones of the cranium are joined together by fibrous joints called:

The midsagittal plane of the head is rotated how many degrees for the axiolateral oblique projection of the TMJ?

Where is the image receptor centered for the parietoacanthial (Waters method)projection of the sinuses?

How was the central ray directed to obtain the image below,used to evaluate the cranium?

The letter D in the image below of the paranasal sinuses labels the _____ sinuses.

The cranial bones are rigidly jointed together by articulations called:

For the tangential projection of the zygomatic arch,the central ray is directed perpendicular to the _____ line.

Where are the petrous ridges seen on an image of a parietoacanthial (Waters method)projection of the paranasal sinuses?