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Spine Question's
Question | Answer |
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Which of the following is (are) demonstrated in the lateral projection of the cervical spine? | Intervertebral joints Zygapophyseal joints |
Which of the following positions will demonstrate the lumbosacral zygapophyseal articulation? | 30-degree RPO |
Intervertebral foramina will be demonstrated in which of the following projections? | Lateral thoracic spine Lateral lumbar spine |
Which of the following projections can be used to supplement the traditional “open-mouth” projection when the upper portion of the odontoid process cannot be well demonstrated? | AP or PA through the foramen magnum |
Which of the following radiographic procedures requires an intrathecal injection? | Myelogram |
At approximately what level do the carotid arteries bifurcate? | laryngopharynx |
Which of the following is a functional study used to demonstrate the degree of AP motion present in the cervical spine? | Flexion and extension laterals |
The thoracic zygapophyseal joints are demonstrated with the | midsagittal plane 20 degrees to the IR. |
To demonstrate the first two cervical vertebrae in the AP recumbent projection, the patient is positioned so that | a line between the maxillary occlusal plane and the mastoid tip is vertical. |
In myelography, the contrast medium generally is injected into the | subarachnoid space between the third and fourth lumbar vertebrae. |
The pedicle is represented by what part of the "scotty dog" seen in a correctly positioned oblique lumbar spine? | Eye |
Which of the following positions will best demonstrate the right zygapophyseal articulations of the lumbar vertebrae? | RPO |
Which of the following should be performed to rule out subluxation or fracture of the cervical spine? | Horizontal beam lateral |
A kyphotic curve is formed by which of the following? | Sacral vertebrae. Thoracic vertebrae. |
Which of the following positions would demonstrate the right lumbar zygapophyseal articulations closest to the IR? | RPO |
Which of the following statements regarding myelography is (are) correct? | Spinal puncture may be performed in the prone or flexed lateral position. The patient's neck must be in extension during Trendelenburg positions. |
The long, flat structures that project posteromedially from the pedicles are the | laminae |
Which of the following positions will provide an AP projection of the L5-S1 interspace? | Patient AP with 30- to 35-degree angle cephalad |
Structures comprising the neural, or vertebral, arch include | pedicles laminae |
Which of the following will best demonstrate the lumbosacral junction in the AP position? | CR cephalad 30–35 degrees |
Which of the following positions would best demonstrate the left zygapophyseal articulations of the lumbar vertebrae? | LPO |
In myelography, the contrast medium generally is injected into the | subarachnoid space between the third and fourth lumbar vertebrae |
With the patient supine, the left side of the pelvis elevated 25 degrees, and the CR entering 1 in. medial to the left anterosuperior iliac spine (ASIS), which of the following is demonstrated? | Left sacroiliac joint |
An accurately positioned oblique projection of the first through fourth lumbar vertebrae will demonstrate the classic “Scotty dog.” What bony structure does the Scotty dog's neck represent? | Pars interarticularis |
Which of the following is a functional study used to demonstrate the degree of AP motion present in the cervical spine? | Flexion and extension laterals |
The articular facets of L5-S1 are best demonstrated in a(n) | 30-degree oblique |
Myelography is a diagnostic examination used to demonstrate | posttraumatic swelling of the spinal cord. posterior disk herniation. |
A lateral projection of the larynx is occasionally required to rule out foreign body, polyps, or tumor. The CR should be directed | to the level of the laryngeal prominence |
The AP projection of the coccyx requires that the CR be directed | 2 inches superior to the pubic symphysis |
Which of the following vertebral groups form(s) lordotic curve(s)? | Cervical Lumbar |
Which of the following is (are) demonstrated in an AP axial projection of the cervical spine? | Intervertebral disk spaces. C3–7 cervical bodies. |
Which of the following are demonstrated in the oblique position of the cervical spine? | Intervertebral foramina |
What is the name of the condition that results in the forward slipping of one vertebra on the one below it? | Spondylolisthesis |
The AP axial projection of the sacrum requires the central ray to be directed | 15° cephalad to a point approximately 2 inches superior to the pubis. |
The RPO position of the cervical spine requires which of the following combinations of tube angle and direction? | 15 to 20 degrees cephalad |
Which of the following is (are) well demonstrated in the oblique position of the cervical vertebrae? | Intervertebral foramina |
Which of the following is (are) appropriate technique(s) for imaging a patient with a possible traumatic spine injury? | Maneuver the x-ray tube instead of moving the patient. Call for help and use the log-rolling method to turn the patient. |
The lumbar pars interarticularis is represented by what part of the “Scotty dog” seen in a correctly positioned oblique lumbar spine? | Neck |
Which of the following positions would best demonstrate the lumbar intervertebral joints and foramina? | Lateral |
Which of the following structures is located at the level of the interspace between the second and third thoracic vertebrae? | Jugular Notch |
Which of the following statements is (are) true regarding the lateral projection of the lumbar spine? | The MSP is parallel to the tabletop. The pedicles are well visualized. |
If a patient's zygomatic arch has been traumatically depressed or the patient has flat cheekbones, the arch may be demonstrated by modifying the SMV projection and rotating the patient's head | 15 degrees toward the side being examined |
Which of the following is (are) demonstrated in a lateral projection of the cervical spine? | Zygapophyseal joints Intervertebral joints |
Which of the following is (are) demonstrated in the lateral projection of the thoracic spine? | Intervertebral spaces Intervertebral foramina |
Which of the following is (are) demonstrated in the AP projection of the thoracic spine? | Intervertebral spaces |
Which of the following is demonstrated in a 25-degree RPO position with the CR entering 1 inch medial to the elevated ASIS? | Left sacroiliac joint |
The left sacroiliac joint is positioned perpendicular to the IR when the patient is positioned in a | 25° to 30° LAO position. |
The laryngeal prominence is formed by the | thyroid cartilage |
To visualize or “open” the right sacroiliac joint, the patient is positioned | 25 to 30 degrees LPO |
The lumbar transverse process is represented by what part of the “Scotty dog” seen in a correctly positioned oblique lumbar spine? | Nose |
To reduce the amount of scattered radiation reaching the IR in CR/DR imaging of the lumbosacral region, in the lateral projection, which of the following is (are) recommended? | Close collimation Lead mat on table posterior to the patient |
During myelography, contrast medium is introduced into the | subarachnoid space |
In the anterior oblique position of the cervical spine, the structures best seen are the | intervertebral foramina nearest the IR |
A radiolucent sponge can be placed under the patient's waist for a lateral projection of the lumbosacral spine to | make the vertebral column parallel with the IR place the intervertebral disk spaces perpendicular to the IR |
Which of the following is (are) effective in reducing exposure to sensitive tissues for frontal views during scoliosis examinations? | Use of PA position. Use of breast shields. Use of compensating filtration. |
The right anterior oblique of the cervical spine requires which of the following combinations of tube angle and direction? | 15° to 20° caudad |
In the anterior oblique position of the cervical spine, the CR should be directed | 15 degrees caudad to C4. |