A Left Lateral Chest Projection with Accurate Positioning Demonstrates

Multiple Choice

A left lateral chest projection with accurate positioning demonstrates
1) no humeral soft tissue in the lung field.
2) no more than a total of 0.5 inch (1 cm) of space between the posterior or anterior ribs.
3) the right hemidiaphragm inferior to the left hemidiaphragm.
4) the hemidiaphragms inferior to the eleventh thoracic vertebra.

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