An Optimally Positioned Lateral Cervical Vertebrae Projection Demonstrates All of the Following

Multiple Choice

An optimally positioned lateral cervical vertebrae projection demonstrates all of the following except

A) no more than 0.25 inch (0.63 cm) of separation between the right and left zygapophyseal joints.
B) superimposition of the anterior and posterior aspects of the right and left articular pillars.
C) the posterior arch of C1 and the spinous process of C2 in profile without posterior occiput superimposition.
D) open intervertebral disk spaces.