For an AP scapular projection, the
1. patient's arm is abducted 90 degrees to the body.
2. image is exposed on expiration.
3. patient's upper midcoronal plane leans slightly away from the IR.
4. central ray is centered 2 inches (5 cm) inferior to the coracoid.
a. 1 and 4 only
b. 2 and 3 only
c. 1, 3, and 4 only
d. 1, 2, and 4 only
Question 2
An AP scapular projection with accurate positioning demonstrates
1. almost superimposed anterior and posterior glenoid fossa margins.
2. the vertebral scapular border without thoracic cavity superimposition.
3. the humeral shaft at a 90-degree angle with the body.
4. the supraspinatus fossa and superior scapular angle without clavicular superimposition.
a. 1 and 3 only
b. 1, 3, and 4 only
c. 1 and 2 only
d. 3 and 4 only