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WorksheetsThe "Lumbar-Tingling" quiz
Total questions: 10
Worksheet time: 5mins
What is the general CR angle for a lateral lumbar spine projection if no support is used under the patient's waist?
a) 5° to 8° cephalad
b) Perpendicular
c) 5° to 8° caudad
d) 15° cephalad
Why is a lead mat or other scatter reduction material recommended for a lateral lumbar spine projection?
a) To absorb primary radiation
b) To increase patient dose
c) To reduce patient motion
d) To absorb scatter radiation
Where is the CR centered for a routine AP lumbar spine projection?
At the level of the iliac crest (L4-5)
At the level of the ASIS (S1-2)
At the level of 1 ½ inches above the iliac crest (L3)
At the xiphoid tip
How do you evaluate an oblique lumbar spine projection to determine if the positioning is correct?
a) The intervertebral foramina are open
b) The spinous processes are aligned with the center of the vertebral body
c) The zygapophyseal joints are visualized and the pedicle is near the center of the vertebral body
d) The sacrum is centered to the collimation field
What is the standard body rotation for an oblique projection of the lumbar region?
45° from supine
45° from prone
60° from supine
60° from prone
Why are the hips and knees flexed for an AP lumbar spine projection?
a) To increase the lordotic curve
b) To reduce patient discomfort
c) To reduce the lordotic curve
d) To get a better view of the sacroiliac joints
Which two structures should be demonstrated for a true lateral Lumbar Spine image?
a) The zygapophyseal joints and spinous processes
b) The intervertebral disk spaces and pedicles
c) The intervertebral disk spaces and intervertebral foramina
d) The transverse processes and sacroiliac joints
In an oblique lumbar spine projection, where is the CR centered in relation to the elevated ASIS and iliac crest?
a) 2 inches medial to the elevated ASIS and 1 ½ inches above the iliac crest (L3)
b) 2 inches lateral to the elevated ASIS and 1 ½ inches below the iliac crest (L3)
c) 1 inch medial to the elevated ASIS and at the level of the iliac crest (L4-5)
d) 1 inch lateral to the elevated ASIS and at the level of the iliac crest (L4-5)
What specific joints are visualised for an oblique projection of the lumbar region?
a) sacroiliac joints
b) zygapophyseal joints
c) Intervetebral disc
d) costovertebral
What are two key evaluation criteria for a successful AP Lumbar Spine projection?
a) T12 to L5 are included, and no rotation
b) T12 to S1 are included, and no rotation
c) T10 to S1 are included, and the intervertebral foramina are open
d) The intervertebral disk spaces are open, and there is no rotation
