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Chapter 5: Cervical Spine

EXERCISE 2: WHAT STRUCTURE IS THIS?

Exercise 2 Objective: Teach the user to recognize radiographic anatomy on the normal radiographs of the routine evaluation of the cervical spine.

Exercise type: 2: What Structure is This?

Instruction: User will look at the highlighted structure and identify it from a list of five possibilities.

View: Anteroposterior Open-Mouth Cervical Spine

What structure is this?

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A. Intervertebral disc

B. Transverse process of C1

C. Right pedicle of C2

D. Spinous process of C2

E. Posterior arch of C1

Question Rationale: The posterior arch is seen as a thin line crossing the base of the dens.

What structure is this?

image
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image

A. Intervertebral disc

B. Transverse process of C1

C. Right pedicle of C2

D. Spinous process of C2

E. Posterior arch of C1

Question Rationale: The most cephalad intervertebral disc space is C2–C3.

What structure is this?

image
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image

A. Intervertebral disc

B. Transverse process of C1

C. Right pedicle of C2

D. Spinous process of C2

E. Posterior arch of C1

Question Rationale: The bifid spinous process is superimposed over the body of C2.

What structure is this?

image
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image

A. Intervertebral disc

B. Transverse process of C1

C. Right pedicle of C2

D. Spinous process of C2

E. Posterior arch of C1

Question Rationale: The transverse processes of C1 extend laterally from the lateral masses of C1.

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