What positioning error occurred if the mandibular rami ...

[Jkov05]

What positioning error occurred if the mandibular rami superimpose C1 and C2 on the lateral c-spine image?
 
 the patient's mouth wasn't fully opened
  the chin was too flexed
  the head was rotated
  the chin was too extended

Question 2

The AP axial c-spine will utilize which of the following recommended distances?
 
 50 SID
  72 SID
  40 SID
  60 SID

[peilian]

Answer to Question 1

the head was rotated

Rationale: The AP open mouth should demonstrate the relationship of C1 and 2 centered in the open mouth and between the mandibular rami.

Answer to Question 2

40 SID

Rationale: The AP axial c-spine will utilize a 40 SID.

[Jkov05]

Thanks for the timely response, appreciate it

[Animal_Goddess]

Excellent