A Patient Comes to the Radiology Department for a Cervical

A patient comes to the radiology department for a cervical spine routine.The study is ordered for nontraumatic reasons.The AP open-mouth projection reveals that the base of the skull and upper incisors are superimposed,but they are obscuring the upper portion of the dens.On the repeat exposure,what should the technologist do to demonstrate the entire dens?

A) Increase the flexion of the skull.
B) Increase the extension of the skull.
C) Perform the Fuchs or Judd method.
D) Perform the AP chewing projection.