A Lateral Thoracic Projection with Poor Positioning Demonstrates More Than

Multiple Choice

A lateral thoracic projection with poor positioning demonstrates more than 0.5 inch (1 cm) of space between the posterior ribs. How should the patient be positioned for an optimal projection to be obtained?
1) Rotate the patient's elevated side anteriorly.
2) Position the midsagittal plane perpendicular to the imaging table.
3) Center the central ray and IR superiorly.
4) Align the shoulders, posterior ribs, and posterior wings perpendicular to the imaging table.

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