For an AP abdominal projection (lateral decubitus position),

1. the right hemidiaphragm and iliac wing must be included to demonstrate intraperitoneal air.
2. position the shoulders and the ASISs at equal distances from the IR.
3. obtain the exposure on expiration.
4. position the patient's right side adjacent to the imaging table or cart.
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 4 only
d. 1, 2, and 3 only

D