For a Lateral Neonatal or Infant Chest Projection, the

For a lateral neonatal or infant chest projection, the
1) neonate or infant remains supine for a cross-table projection.
2) neonate or infant is elevated on a radiolucent sponge for an overhead projection.
3) central ray is centered to the mammary line.
4) humeri are positioned at a 90-degree angle with the chest.

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