Question

which two anatomic structures are demonstrated on an erect diagnostic anteroposterior (ap) abdominal radiograph? (select two)
diaphragm
pubic symphysis
heart
soft tissue with abdominal cavity

Explanation:

An erect AP abdominal radiograph shows structures within the abdominal cavity. The diaphragm is at the top - most part of the abdominal cavity and can be seen. The soft - tissue within the abdominal cavity is also visualized. The public symphysis is at the bottom of the pelvis and may not be fully seen on a standard abdominal radiograph. The heart is in the thoracic cavity and not part of the abdominal radiograph.

Answer:

Diaphragm, Soft tissue with abdominal cavity