An AP Large Intestine Projection with Accurate Positioning Demonstrates

Multiple Choice

An AP large intestine projection with accurate positioning demonstrates
1) the spinous processes aligned with the midline of the vertebral bodies.
2) symmetrical iliac ala.
3) superimposition of the ascending and descending limbs of the colic flexure.
4) the fourth lumbar vertebra in the center of the exposure field.

A) 1 and 2 only
B) 3 and 4 only
C) 1, 2, and 3 only
D) 1, 2, 3, and 4