A lateral sacral projection with accurate positioning ...

[BrownTown3]

A lateral sacral projection with accurate positioning demonstrates
 
  1. the long axis of the sacrum aligned with the long axis of the collimated field.
  2. near-superimposition of the greater sciatic notches.
  3. an open L5-S1 intervertebral disk space.
  4. the median sacral crest in profile.
  a. 1 and 2 only
  b. 1, 2, and 3 only
  c. 3 and 4 only
  d. 1, 2, 3, and 4

Question 2

For a lateral sacral projection, the
 
  1. patient's legs are flexed.
  2. midcoronal plane is aligned parallel with the imaging table.
  3. posterior ribs and the posterior pelvic wings are aligned perpendicular to the imaging table.
  4. longitudinal axis of the sacrum is aligned with the short axis of the collimated field.
  a. 1 and 3 only
  b. 2 and 3 only
  c. 1, 2, and 3 only
  d. 2 and 4 only

[memslove]

Answer to Question 1

D

Answer to Question 2

A