Author Question: A spot lateral L5-S1 projection with accurate positioning demonstrates 1. the L5-S1 ... (Read 39 times)

natalie2426 · **on:** Jul 17, 2018

A spot lateral L5-S1 projection with accurate positioning demonstrates

1. the L5-S1 intervertebral disk space in the center of the collimated field.
2. an open L5-S1 intervertebral disk space.
3. obscured intervertebral foramina.
4. near-superimposition of the greater sciatic notches.
a. 1 and 2 only
b. 2 and 3 only
c. 1 and 4 only
d. 1, 2, and 4 only

Question 2

For a spot lateral L5-S1 projection,

1. the vertebral column is aligned parallel with the imaging table.
2. a high kVp is used to penetrate the hips and pelvis.
3. the shoulders and ASISs are positioned at equal distances from the imaging table.
4. the knees are flexed.
a. 1 and 2 only
b. 3 and 4 only
c. 1, 2, and 4 only
d. 1, 2, 3, and 4