AP Shoulder Radiography Quiz

What is the source-to-image distance (SID) used for both AP shoulder external and internal rotation?

• 30 inches

• 40 inches

• 50 inches

• 60 inches

In the AP shoulder external rotation, where should the central ray be centered?

• At the level of the coracoid

• Two inches inferior to the coracoid

• One inch inferior to the coracoid

• One inch superior to the coracoid

What anatomical feature is prominently displayed in the AP shoulder external rotation?

• Greater tubercle

• Acromion

• Lesser tubercle

• Clavicle

How should the patient's hand be positioned for the AP shoulder internal rotation?

• Raised above the head

• Rolled towards the hip with the posterior part touching the thigh

• Placed on the abdomen

• In an anatomical position

What is the key anatomical feature shown in profile during the AP shoulder internal rotation?

• Scapula

• Acromion

• Lesser tubercle

• Greater tubercle

What must a diagnostic AP shoulder radiograph be free of?

• Artifacts

• Motion

• Noise

• Distortion

What is the position of the greater tubercle in the AP shoulder internal rotation?

• Above the humeral head

• In profile

• Superimposing the humeral head

• Below the humeral head

What is the purpose of engaging all locks during the radiographic procedure?

• To adjust the exposure

• To ensure stability and prevent motion

• To enhance image contrast

• To reduce patient discomfort

What is the role of the left marker in the AP shoulder external rotation?

• To mark the center of the image

• To indicate the left side of the body

• To indicate the right side of the body

• To highlight the coracoid process

What should be properly visualized in both AP shoulder external and internal rotation radiographs?

• Muscle structure

• Bony detail

• Joint fluid

• Soft tissue detail