a radiograph of an AP open-mouth projection of the c-spine reveals the z-pop are not symmetric. what positioning error can lead to this outcome?
What is rotation
100
name of joint between skull and c-1
What is occipitoatlantal joint
100
type of cr angle is required for posterior oblique positions of c-spine
What is 15 Degree cephalic
200
# of bones in a child coccyx
What is four
200
what is projection is done, when a pt can not lie supine for a ap axial sacrum what other position is acceptable
What is pa axial
200
an xray of lateral projection of the c-spine reveals the ramus of the mandible is superimposed over the spine. What can be done to prevent this?
What is increase extension of skull
200
vertebral body is comminuted, with triangular fragments avulsed from the anteroinferior border and fragments from the posterior vertebral body displaced into the spinal canal is what fx
What is tear drop fx
200
degree for ap axial supine
What is 15 degrees cephalic
300
what two bones have cornua?
What is sacrum and coccyx
300
what positioning error when T-1 is not visible for lateral c-spine
What is shoulders not depressed
300
An AP projection of the sacrum reveals that the sacrum is foreshortened & the foramina are not open. What the heck did you do wrong again?
What is insufficient cephalad CR angle or angled the wrong way
300
inflammatory condition thats usually in the sacroiliac joint and progresses up the vertebral column
What is ankylosing spondylitis
300
degree for pa axial sacrum
What is 15 degree caudad
400
inwardly projecting anterior part of the body of the first sacral vertebra is called
What is sacral promontory
400
what side if the block used on for ferguson's method?
What is convex side
400
The _____ of the sacrum are large masses of bone lateral to the first sacral segment.
What is alae
400
forward movement of the vertebra in relation to another. development defect in the pars interarticularis is called
What is spondylotheisis
400
degree of obliquity from mcp to view z-pop for t-spine
What is 20 degree
500
a feature that is both common in sacrum and coccyx
What is apex
500
lumbar intervertebral joint not open what is positioning error
What is no support
500
position to view sacral formina
What is AP
500
what is the name if the outer aspect of the intervertebral disk space