MULTIPLE-CHOICE. For exercises 5 through 10, select the ONE word or phrase that
BEST completes the statement or BEST answers the question.
The proper patient and part position for a parietoacanthial view of the facial bones
(Waters method) is:
a. Patient in true lateral recumbent position, knees flexed, arms at right angle to
body; radiolucent material under lower dorsal region, coronal plane
perpendicular to the table.
b. TWHA, with patient prone or erect; midsagittal plane parallel with table or
upright Bucky; IPPL perpendicular to film, IOML perpendicular to front edge of
Patient in supine position; midsagittal plane perpendicular and over the center
line of the table.
d. TWHA with patient prone or erect; chin against table or upright Bucky; CR
perpendicular to film; OML forms a 37 angle; midsagittal plane is
perpendicular to film.
What two lines are perpendicular to the film for a lateral facial position?
a. Midsagittal plane and IPPL.
b. Midsagittal plane and OIML.
OIML and IPPL
What is centered for a view of the lateral facial bones?
a. Zygoma at a level halfway between the outer canthus and the EAM.
b. Acanthion to the center of the film.
inch inferior and posterior to the EAM.
d. Acanthion to the center of the film.
e. CR 1 inch anterior and 2 inches superior to the upside EAM.