Final answer:
Shoulder arthrography is performed to evaluate humeral luxation, demonstrate complete or partial rotator cuff tear, and evaluate the glenoid labrum.
Step-by-step explanation:
Shoulder arthrography is performed to evaluate humeral luxation and to demonstrate complete or partial rotator cuff tear. Additionally, it can be used to evaluate the glenoid labrum. Therefore, the correct answer is D. 1 and 3 only.