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RADT 425
Ch 9 Lumbar, Sacrum & Coccyx
Question | Answer |
---|---|
On an AP lumbar vertebrae projection, the distances from the pedicles to the ____ ____ and from the sacroiliac joints tot eh spinous processes are ___ on both sides. | spinous processes, equal |
On an AP lumbar vertebrae projection, the intervertebral disk spaces are ____ and the vertebral bodies are seen without distortion. | equal |
On an AP lumbar vertebrae projection, the ____ ____ are aligned with the midline of the vertebral bodies. | spinous processes |
What soft tissue structures are to be included on an AP lumbar projection? | psoas major muscles |
What is the curvature of the lumbar vertebral column? | lordotic |
Accurate CR centering on an AP lumbar projection taken using an 8 x 14 inch field size, is accomplished by centering the CR to the _____ at a level 1 1/2 inches ____ to the ___ ___. | MSP, superior, iliac crest |
On an AP oblique lumbar vertebrae projection, the superior and inferior ____ ____ are in profile, the ____ joints are demonstrated and the ____ are seen halfway between the midpoint of the vertebral bodies and the lateral border of the vertebral bodies. | articular processes, zygoapophyseal, pedicles |
For the RAO lumbar position, are the right or left zygoapophyseal joints demonstrated? | left |
For the LPO lumbar position, are the right or left zygoapophyseal joints demonstrated? | left |
For the RPO lumbar position, are the right or left zygoapophyseal joints demonstrated? | right |
For the LAO lumbar position, are the right or left zygoapophyseal joints demonstrated? | right |
What body plane is used to determine patient obliquity for an AP oblique lumbar projection? | midcoronal |
How much is the patient's torso rotated for an AP oblique lumbar projection? | 45 degrees |
Name the anatomic structures of the lumbar vertebrae that correspond with the parts of the "Scottie Dog" listed here: A: ear, B: nose, C: body, D: eye, E: front leg | A: superior articular process, B: transverse process, C: lamina, D: pedicle, E: inferior articular process |
Accurate CR centering on an AP oblique lumbar projection is accomplished by centering the CR 2 inches ____ to the elevated ____ at a level 1 1/2 inches superior to the ____ ____. | medial, ASIS, iliac crest |
On a lateral lumbar vertebrae projection, the intervertebral foramina are demonstrated and the ___ ___ are in profile. | spinous processes |
On a lateral lumbar vertebrae projection, the right and left pedicles and the posterior surfaces of each vertebral body are ______. | superimposed |
On a lateral lumbar vertebrae projection, the intervertebral disk spaces are ____. | open |
On a lateral lumbar vertebrae projection, the lumbar vertebral column s in a ____ position without anteroposterior flexion or extension. | neutral |
For a lateral lumbar projection, the patient may be placed on the imaging table in a left or right recumbent position unless the patient has was spinal condition? | scoliosis |
Will the upper and lower vertebrae on a lateral lumbar projection always demonstrate simultaneous rotation? | no |
The lordotic curvature on a lumbar projection is ____wen the patient is positioned in maximum flexion and is ____when the patient is positioned in maximum extension. | decreased, increased |
Accurate CR centering on a lateral lumbar projection when an 8x14 inch filed size is used is accomplished by centering the CR to the _____plane located halfway between the elevated ____ and ____ ____@ a level 1 1/2 inches superior to the ____ ____. | coronal, ASIS. posterior wing, iliac crest |
On a lateral L5-S1 lumbosacral junction projection, the L5-S1 intervertebral foramen are demonstrated, the right and left ____are superimposed and in profile and the greater sciatic notches and ___ ___ are nearly superimposed. | pedicles, pelvic wings |
On a lateral L5-S1 lumbosacral junction projection, the L5-S1 intervertebral disk space is _____, the pelvic alae are superimposed and the sacrum is seen without foreshortening. | open |
Accurate CR centering on a lateral L5-S1 projection is accomplished by centering the Cr to a point 2 inches ____to the elevated ____ and 1 1/2 inches ___-to the ___ ___. | posterior, ASIS, inferior, iliac crest |
On an AP axial sacrum projection, the ischial spines are equally demonstrated and are aligned with the ___ ____ and the median sacral crest and ____ are aligned with the symphysis pubis. | pelvic brim, coccyx |
On an AP axial sacrum projection, the 1st through ____sacral segments are seen without foreshortening, sacral foramina demonstrate equal spacing and the ___ ____ is not superimposed over any portion of the sacrum. | 5th, symphysis pubis |
When a patient is rotated for an AP sacral projection, the sacrum rotates in the ____ direction as the symphysis pubis and is positioned next to the lateral pelvic brim situated __ ___ the IR. | opposite, farther from |
What is the curvature of the sacrum? | kyphotic |
Accurate CR centering on an AP sacral projection is accomplished by positioning the CR to the ____ plane. | midsagittal |
On a lateral sacrum projection, the median sacral crest is _ ____ and the greater sciatic notches and the ____ ____ are nearly superimposed. | in profile, pelvic alae (wings) |
On a lateral sacrum projection. the L5-S1 intervertebral disk spaces is open, greater sciatic notches are _____ and the sacrum is seen without foreshortening. | superimposed |
Accurate CR centering on a lateral sacral projection is accomplished by centering the CR to the ____plane located 3 to 4 inches poeterior to the elevate ____. | coronal, ASIS |
On an AP coccyx projection, the coccyx is aligned with the ____ ___ and is at equal distances from the lateral walls of the ___ ___. | symphysis pubis, inlet pubis |
On a lateral coccyx projection, the first through ___ coccygeal vertebrae are seen without foreshortening and without symphysisi pubis superimposition. | 3rd |
On a lateral coccyx projection, the median sacral crest is __ ____ and the greater sciatic notches are superimposed. | in profile |
On a lateral coccyx projection, the coccyx is seen without _____, | superimposition |