For a PA Axial Oblique Large Intestine Projection (RAO Position)

Multiple Choice

For a PA axial oblique large intestine projection (RAO position) , the
1) patient is rotated until the midcoronal plane is at a 35- to 45-degree angle with the imaging table.
2) central ray is angled 30 to 40 degrees caudally.
3) central ray is centered to exit at the ASIS and 2 inches (5 cm) to the left of the spinous processes.
4) 11- × 14-inch (28- × 35-cm) IR is placed crosswise.

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