5.
The technical factors for the PA mandible is:
a. 10 x 12 LW NB
b. 10 x 12 LW B
c.
8x 10 CW NB
d. 8 x 10 LW B
6.
The proper patient and part position for a PA mandible 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. Patient prone, midsagittal plane perpendicular to table top, OML perpendicular
to film.
c.
Patient seated or standing (not forehead position); midsagittal plane
perpendicular and over the centerline of the film' OML perpendicular to the
film.
d. Patient semi-prone, one arm down by the side and the other supporting the
side up. Shoulder in down and out of CF chin extended until the inferior
margin of side up is parallel with lower edge of cassette. Midsagittal plane of
skull tilted 15 degrees vertex down.
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MD0962
5-30