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RADT 425
Ch 8 Cervical & Thoracic Spines
Question | Answer |
---|---|
On an AP axial cervical projection, the ____ _____ are aligned with the midline of the cervical bodies. | spinous process |
On an AP axial cervical projection, the articular pillars and pedicles are symmetrically visualized _____ to the cervical bodies. | lateral |
On an AP axial cervical projection, the 3rd cervical vertebrae is demonstrated in its entirety and the occipital base and mandibular mentum are _______. | superimposed |
On an AP axial cervical projection, each vertebrae's spinous process is visualized at the level of its _____ intervertebral disk space. | inferior |
When the patient and cervical vertebrae are rotated away from the AP projection, the vertebral bodies will move toward the side positioned______ the IR. | closer to |
When the patient and cervical vertebrae are rotated away from the AP projection, the spinous processes will move toward the side positioned ____ ___ the IR. | farther from |
Will rotation on an AP cervical projection with poor positioning always be demonstrated throughout the entire cervical column? | no |
A patient wearing a collar and on a backboard is taken to the radiography department for a cervical vertebrae series. Should the collar be removed before the radiographs are taken? | no |
A patient wearing a collar and on a backboard is taken to the radiography department for a cervical vertebrae series. The patient's head is rotated. Should it be adjusted? | no |
What is the curvature of the cervical vertebral column? | lordotic |
If the CR angulation is not adequately angled for an AP cervical projection, the intervertebral disk spaces are ________. | closed |
If the CR angulation is not adequately angled for an AP cervical projection, each vertebrae's spinous process is demonstrated within ___ _____ ___. | its vertebral body |
Where is each vertebrae's spinous process demonstrated if the CR angulation is too cephalad? | within the inferior adjoining body |
Accurate CR centering on an AP cervical projection is obtained by placing the CR at the patient's _____at a level halfway between the ____ and ____ ____. | midsagittal, EAM, jugular notch |
On an AP cervical atlas & axis projection, atlas is symmetrically seated on the ____ with the atlas' lateral masses at equal distance from the dens. | axis |
On an AP cervical atlas & axis projection, the spinous processes of the axis is aligned with the midline of the _____body. | axis' |
On an AP cervical atlas & axis projection, the mandibular rami are visualized at equal distances from the ____ ____. | lateral masses |
On an AP cervical atlas & axis projection, the upper incisors and the occipital base are seen ____ to the dens and the atlantoaxial joint. | superior |
On an AP cervical atlas & axis projection, the atlantoaxial joint is _____. | open |
On head rotation, the atlas pivots around the dens. This results in the lateral mass located on the side toward which the face is turned being displaced _____. | posteriorly |
On head rotation, the atlas pivots around the dens. This results in the lateral mass located on the side away from which the face is turned being displaced ______. | anteriorly |
Accurate CR centering on an AP atlas and axis projection is accomplished by centering the CR through the open mouth to the _____. | MSP |
On a lateral cervical vertebrae projection, contrast resolution is adequate to visualize the _______ fat stripe. | prevertebral |
On a lateral cervical vertebrae projection, the anterior and posterior aspects of the right and left articular pillars and the right and left zygoapophyseal joints of each cervical vertebrae are _____. | superimposed |
On a lateral cervical vertebrae projection, the anterior and posterior aspects of the right and left articular pillars and the spinous processes are in ____. | profile |
On a lateral cervical vertebrae projection, the posterior arch of C1 and spinous process of C2 are in profile without ____ ____ superimposition. | posterior occiput |
On a lateral cervical vertebrae projection, the superior and inferior aspects of the right and left articular pillars and the _____ _____ of each cervical vertebrae are superimposed and the intervertebral disk spaces are open. | zygoapophyseal joints |
What body plane is positioned perpendicular to the IR for a lateral cervical projection? | midcoronal |
Accurate CR centering on a lateral cervical projection is accomplished by centering the CR to the _______ plane at a level halfway between the ____ & ____ ____. | midcoronal, EAM, jugular notch |
On an PA/AP axial oblique cervical projection, the 2nd through _____ intervertebral foramina are open. | 7th |
On a PA/AP axial oblique cervical projection, the pedicles of interest are shown in _____. | profile |
On a PA/AP axial oblique cervical projection, the posterior arch of the atlas is seen without foreshortening, demonstrating the ____ _____. | vertebral foramen |
For a right PA axial oblique (RAO position), the ____ intervertebral foramina will be demonstrated. | right |
For a left AP axial oblique (LPO position), the ____ intervertebral foramina will be demonstrated. | right |
For a left PA axial oblique (LAO position), the ____ intervertebral foramina will be demonstrated. | left |
For a right AP axial oblique (RPO position), the ____intervertebral foramina will be demonstrated. | left |
What degree of body rotation is used for oblique cervical projections? | 45 |
What body plane is used to set up the degree of obliquity on a PA/AP axial oblique cervical projection? | midcoronal |
What degree and direction of CR angulation are used for PA axial oblique cervical projections? | 15 - 20 degrees caudally |
What degree and direction of CR angulation are used for AP axial oblique cervical projections? | 15 - 10 degrees cephalically |
Accurate CR centering on a PA axial oblique cervical projections is accomplished by centering the CR to the ____ plane at a level halfway between the ___ and ___. | midsagittal, EAM, jugular notch |
On a lateral cervicothoracic vertebrae projection, the right and left cervical zygoapophyseal joints, ____ ____, and the posterior ribs are superimposed. | articular pillars |
On a lateral cervicothoracic vertebrae projection, the humerus elevated above the patients head is aligned with the ____ _____. | vertebral column |
On a lateral cervicothoracic vertebrae projection, the intervertebral disk spaces are _____., | open |
What respiration is used for the cervicothoracic lateral projection? | expiration |
Accurate centering on a lateral cervicothoracic projection is accomplished by centering a perpendicular CR to the _____ plane at a level 1 inch superior to the ____ ____ or at the level of the ____ ____. | midcoronal, jugular notch, vertebral prominens |
On an AP thoracic vertebrae projection, the spinous processes are aligned with the midline of the _____ _____ and the distances from the vertebral column to the sternal clavicular ends and from the pedicles to the ___ ____ are equal on the two sides. | vertebral bodies, spinous processes |
On an AP thoracic vertebrae projection, the intervertebral disk spaces are ____ and the vertebral bodies are seen without foreshortening. | open |
What condition can simulate rotation on an AP thoracic projection? | scoliosis |
When rotation is present on an AP thoracic projection, the side demonstrating the greater distance between the spinous processes and pedicles will be ____ ____ the IR. | closer to |
What type of curvature does the thoracic vertebral column demonstrate? | kyphotic |
Accurate CR centering on an AP thoracic projection is accomplished by centering the CR to the ______ at a level halfway between the ____ and xiphoid. | MSP, jugular notch |
On a lateral thoracic projection, the intervertebral foramina are clearly demonstrated, pedicles are in ____, the posterior surfaces of each vertebral body are ____ and no more than ___ inch(es) of space is demonstrated between the posterior ribs. | profile, superimposed, 1/2 |
On a lateral thoracic vertebrae projection, the intervertebral disk spaces are ___and the vertebral bodies are demonstrated without _____. | open, distortion |
Accurate centering on a lateral thoracic vertebral projection is accomplished by centering the CR to the ___ ___ ___ when the patient's arm is positioned at a 90 degree angle with the body. | inferior scapular angle |