Author Question: For an AP axial cranial projection (Towne method), the 1. midsagittal plane is aligned with the ... (Read 50 times)

asan beg · **on:** Jul 17, 2018

For an AP axial cranial projection (Towne method), the

1. midsagittal plane is aligned with the long axis of the image receptor's longitudinal axis.
2. midsagittal plane is positioned parallel with the IR.
3. midcoronal plane is positioned parallel with the IR.
4. OML is aligned perpendicular to the IR.
a. 1 and 2 only
b. 3 and 4 only
c. 1, 3, and 4 only
d. 1, 2, 3, and 4

Question 2

An AP axial cranial projection (Towne method) with accurate positioning demonstrates

1. equal distances from the posterior clinoid processes to the lateral borders of the foramen mag-num on each side.
2. the midsagittal plane perpendicular to the IR.
3. the dorsum sellae within the foramen magnum.
4. the posterior clinoids inferior to the foramen magnum.
a. 1, 2, and 3 only
b. 1 and 3 only
c. 2 and 4 only
d. 1, 2, 3, and 4