Author Question: An AP oblique lumbar projection (RPO or LPO position) obtained with the patient underrotated ... (Read 55 times)

jilianpiloj · **on:** Jul 17, 2018

An AP oblique lumbar projection (RPO or LPO position) obtained with the patient underrotated demonstrates

1. obscured zygapophyseal joints.
2. the pedicles closer to the lateral surface of the vertebral bodies than the midline.
3. the intervertebral foramina.
4. the inferior and superior articular processes in profile.
a. 1 and 2 only
b. 2 and 3 only
c. 3 only
d. 1, 2, and 4 only

Question 2

For an AP lumbar projection, the

1. ASISs are positioned at equal distances from the imaging table.
2. patient's legs are extended.
3. long axis of the vertebral column is aligned with the short axis of the collimated field.
4. central ray is centered to the iliac crest when a 14- 17-inch (35- 43-cm) IR is used.
a. 1 and 4 only
b. 2 only
c. 1, 2, and 4 only
d. 1, 2, 3, and 4