chat gpt torso

What anatomical structures are best demonstrated by a posterior oblique position of the cervical spine?

Zygapophyseal joints closer to the IR.

What is demonstrated when the patient is positioned with the mid coronal plane perpendicular to the IR and the CR is perpendicular to T7?

A lateral projection of the cervicothoracic spine.

What is the name of the fracture when the neck is subject to extreme hyperextension and there is an anterior displacement of C2?

Hangman’s fracture.

What is the purpose of the atlas?

To hold up the head.

What is the degree of tube angulation for an AP sacrum?

15° cephalic.

How many bones are in the adult spine?

26.

What landmark corresponds to the level of 1 inch above C1?

EAM.

Using the anode heel effect, which portion of the thoracic spine will the cathode be over?

Lower portion.

When whiplash is suspected what optional views can be taken?

Lateral flexion and extension.

The greater trochanter is at what level?

L5–S1.

To best visualize the Scottie dogs on the lumbar spine you should:

Perform both obliques.

What is the purpose of C-2?

To support C-1.

What congenital condition occurs when the posterior aspects of the vertebrae fail to develop?

Spina bifida.

What is the joint between the atlas and occipital bone of the skull?

Atlanto-occipital joint.

Which thoracic vertebra(e) possess(es) no facets for costotransverse joints?

T11–12.

Which factor is most important to open up the intervertebral joint spaces for a lateral thoracic spine projection?

Keep the vertebral column parallel to the tabletop.

Which position or projection of the cervical spine will best demonstrate the zygapophyseal joint spaces between C1 and C2?

AP open mouth.

Which positions will demonstrate the left intervertebral foramina of the cervical spine?

Left posterior oblique (LPO).

Why is the chin extended for a lateral projection of the cervical spine?

To prevent superimposition of the mandible upon the spine.

What type of CR angle is required for posterior oblique (LPO/RPO) positions of the cervical spine?

15° caudal.

Which factors will enhance the visibility of the vertebral bodies during a lateral projection of thoracic spine?

Use an orthostatic (breathing) technique.

Which position will best demonstrate the left zygapophyseal joints of the thoracic spine?

RAO.

Which projections will project the dens within the shadow of the foramen magnum?

Both B and C.

What modification should be made if an AP axial projection of the cervical spine reveals that the intervertebral joints are not open?

Increase the CR angulation.

What will improve visibility when an AP thoracic spine shows the upper spine is overexposed?

Use a compensating (wedge) filter.

What can improve visibility when a lateral thoracic spine shows excessive density posteriorly?

Place a lead mat on the tabletop just posterior to the patient.

What is the error if an AP open mouth shows the base of skull superimposed over dens?

Excessive extension of the skull.

Which procedure would receive the highest skin dose?

AP 'wagging jaw' cervical spine, 3-second exposure time.

Which will best demonstrate a compression fracture of the thoracic spine?

Lateral projection.

Which imaging modality will best demonstrate herniated nucleus pulposus in the cervical spine?

MRI.

Which routine is most helpful for a patient with suspected whiplash injury?

Hyperflexion and hyperextension lateral positions.

Which option is NOT a correct evaluation criterion for AP axial C-spine?

All of the options are correct.

Does the PA projection (Judd method) demonstrate the atlantoaxial joints between C1 and C2?

False.

Do posterior cervical obliques (LPO/RPO) show foramina closest to the IR?

True.

RPO requires 45° oblique with 15° caudad CR. True or False?

False.

Breathing technique = orthostatic technique. True or False?

False.

Does anterior oblique thoracic spine demonstrate upside zygapophyseal joints?

False.