Author Question: An AP atlas and axis projection obtained with the patient's face rotated toward the left side ... (Read 91 times)

jjjetplane · **on:** Jul 17, 2018

An AP atlas and axis projection obtained with the patient's face rotated toward the left side demonstrates

1. a narrower distance from the atlas's lateral mass to the dens on the right side than on the left side.
2. the upper incisors obscuring the dens and atlantoaxial joint.
3. the patient's jaw shifted toward the left side.
4. the atlas's spinous process shifted toward the left side.
a. 1 and 3 only
b. 2 only
c. 3 and 4 only
d. 1, 3, and 4 only

Question 2

An AP axial cervical projection demonstrates the third cervical vertebra superimposed by the lower jaw. How should the positioning setup be adjusted for an optimal projection to be ob-tained?

1. Decrease the degree of central ray angulation.
2. Rotate the patient toward the left side.
3. Elevate the chin.
4. Align the acanthiomeatal line perpendicular to the IR.
a. 1 and 2 only
b. 3 only
c. 3 and 4 only
d. 1, 3, and 4 only