EXERCISES, LESSON 5, SECTION I
MATCHING: For exercises 1 through 3
, match the position with the anatomical
structure(s) that the position demonstrates. Enter the letter that corresponds to your
choice in the space provided. (There is an extra alternative that will not be selected.)
a. Foramen magnum with dorsum sallae, petrous
pyramids, occipital bone, posterior clinoid
b. Frontal bone, greater and lesser sphenoid
wings, superior orbital fissures, ethmoid
sinuses, foramen rotundeum, orbital margin,
AP axial skull
c. Lateral cranium closest to the film, sella
turcica, anterior and posterior clinoids, dorsum
sellae, greater and lesser wings of sphenoid.
d. Petrous ridge in profile, bony labyrinth,
tympanic cavity, internal auditory canal, and
mastoid air cell.
MULTIPLE- CHOICE. For exercises 4 through 8, select the ONE word or phrase that
BEST completes the statement or BEST answers the question.
For a lateral skull the ____________ is perpendicular to the film.
d. Midsagittal plane.