Positioning of the Cervical and Thoracic Spine
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| In addition to the gonads, which 3 other radiosensitive organs are of greatest concern during cervical and thoracic spine radiography | show 🗑
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| Two advantages of using higher kV exposure factors for spine radiography, especially on an AP thoracic spine radiograph | show 🗑
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| show | True- it is important to use close collimation, grids, and lead masking.
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| T/F If close collimation is used during conventional radiography of the spine, the use of lead masking is generally not required. | show 🗑
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| show | True- These modalities are replacing myelography.
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| show | True. Nuclear Medicine is used to diagnose bone tumors of the spine.
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| show | Keep the vertebral column parallel to the image receptor.
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| show | Using a small focal spot and increasing the source to image receptor distance (SID).
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| What are the major differences between spondylosis and spondylitis? | show 🗑
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| show | Myelography
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| show | Nuclear Medicine
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| show | True.
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| show | The lower margin of upper incisors and the base of the skull.
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| show | To open the intervertebral disk space.
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| For an AP axial of the cervical spine, a plane through the tip of the mandible and _______ should be parallel to the angled central ray. | show 🗑
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| show | Less divergence of x-ray beam to reduce shoulder superimposition of C7, and compensates for increased OID; reducing magnification.
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| What central ray angulation must be used with a posterior oblique projection of the cervical spine? | show 🗑
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| show | The right intervertebral foramina or upside.
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| show | The left intervertebral foramina or downside.
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| show | Rotate the skull into a near lateral position.
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| What is the recommended SID for a lateral projection of the cervical spine? | show 🗑
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| The lateral projection of the cervical spine should be taken during _________. | show 🗑
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| show | Lateral, horizontal beam projection.
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| show | Twining method.
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| Where should the central ray be placed for a cervicothoracic (swimmer's lateral) projection? | show 🗑
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| Which region of the spine must be demonstrated with a cervicothoracic (swimmer's lateral) projection? | show 🗑
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| show | Hyperextension and flexion lateral positions.
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| When should the Judd or Fuchs method be performed? | show 🗑
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| Which AP projection of the cervical spine demonstrates the entire upper cervical spine with one single projection? | show 🗑
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| Which two things can be done to produce equal density along the entire thoracic spine for the AP projection (especially for a patient with a thick chest)? | show 🗑
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| What is the purpose for using a brething technique for a lateral projection of the thoracic spine? | show 🗑
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| Which zygopophyseal joints are demonstrated in a right anterior oblique (RAO) projection of the thoracic spine? | show 🗑
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| show | Swimmer's Lateral
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| Which of the following results in the lowest midline and skin doses for the patient? AP T-Spine projection at 90kV@7 mAs, AP T-spine at 80kV @12 mAs, Lateral T-spine at 80kV@50 mAs, Oblique T-spine at 80kV@20 mAs | show 🗑
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| show | True (anterior oblique <5 mrad; posterior oblique <69 mrad)
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| Which one of the following structures is best demonstrated with an AP axial vertebral arch projection? Spinous processes-lumbar spine, Articular pillar-(lateral mass)-cervical spine, Zygopophyseal joints-thoracic spine, Cervicothoracic spine region. | show 🗑
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| What central ray angle must be used with the AP axial-vertebral arch projection? | show 🗑
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| What ancillary device should be placed behind the patient on the table top for a recumbent lateral projection of the thoracic spine when using computed radiography? | show 🗑
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| show | Mentomeatal line (MML)
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| show | right (upside)
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| show | 20 degrees from lateral
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