C1 and C2 Anatomy
Vertebra
Landmarks
Pathology
Let's talk Degrees
100
What does letter A represent?
What is the odontoid process (dens).
100
Which aspect of the intervertebral disk is composed of semigelatinous material?
What is nucleus pulposus.
100
The spinal cord tapers off to a point distally at the vertebral level of:
What is L1-2.
100
Lordosis is defined as a(n):
What is abnormal exaggerated thoracic curvature with increased convexity. (Swayback)
100
For the AP Axial projection-Vertebral Arch (Pillars) view, the CR is angled _____ degrees.
What is 30.
200
What does letter M represent?
What is the Lamina.
200
The bony structures connected directly to the vertebral body are the:
What are the pedicles.
200
T2-3 intervertebral disk space is found:
What is at the level of the jugular notch.
200
Abnormal lateral curvature?
What is Scoliosis.
200
The zygapophyseal joints for the thoracic spine lie at an angle of ____ in relation to the midsagittal plane.
What is 70° to 75°.
300
The body of C2 is labeled?
What is D.
300
The most posterior aspect of a typical vertebra is the:
What are the spinous process.
300
The most prominent aspect of the thyroid cartilage corresponds to the vertebral level of:
What is the level of C5.
300
What fracture extends through the pedicles of C2, with or without subluxation of C2 on C3?
What is Hangman's fracture.
300
What type of CR angulation is required for the AP axial projection for the cervical spine?
What is 15° to 20° cephalad.
400
The part vertebral foramen is labeled _____.
What is O.
400
Outer fibrous portion of the intervertebral disk?
What is annulus fibrosus.
400
The xiphoid process corresponds to the vertebral level of:
What is T9-10.
400
Kyphosis is defined as a(n):
What is abnormal thoracic curvature with increased convexity. (Humpback)
400
How much rotation of the body is required for an LAO projection of the thoracic spine.
What is 70°.
500
The structure transverse process is labeled _____.
What is A.
500
On average, how many separate bones make up the adult vertebral column?
What is 26.
500
Along with the upper incisors, what other bony landmark must be aligned for the AP open-mouth projection?
What is the base of skull.
500
Which of the following pathologic conditions is defined as “a condition of the spine characterized by rigidity of a vertebral joint”?
What is Spondylosis.
500
For an AP Oblique cervical spine, the patient needs to be rotated _________ degrees?
What is 45 degrees.