To Best Demonstrate Intraperitoneal Air

Multiple Choice

To best demonstrate intraperitoneal air,

A) the abdomen projection should be taken after a full inspiration.
B) an AP abdomen projection (lateral decubitus position) should be obtained with the patient lying on the right side.
C) allow the patient to be positioned upright for 5 to 20 minutes before obtaining the exposure for an upright AP abdomen projection.
D) the left iliac wing needs to be included in an AP abdomen projection (lateral decubitus position) on a patient with narrow hips.