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RADT 425

Ch 9 Lumbar, Sacrum & Coccyx

QuestionAnswer
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
Created by: ashollings