ARRT practice questions with correct answers

When performing the lateral humerus with the mediolateral projection, which of the following does not apply? 1. position patient with back toward IR 2. oblique the patient 20 to 30 degree, to bring the humerus in contact with IR 3. center the CR midpoint of humerus 4. flex elbow to position epicondyles perpendicular to IR. CORRECT ANSWER position the patient with back toward the IR. (they will be facing the IR and obliqued 20 to 30 degrees from PA) Proper positioning for the lateral calcaneus will result in: 1) Open joint space between calcaneus and cuboid 2) Superimposed talar domes 3) Lateral malleolus free of superimposition CORRECT ANSWER 1 and 2 only (it will result in open joint spaces between the calcaneus and cuboid, the talus and calcaneus, and the talus and the navicular. the lateral malleolus will partially superimpose the distal tibia and talus.) The greater tubercle should be visualized in profile in which of the following? 1. AP shoulder, external rotation 2. AP shoulder, internal rotation 3. AP elbow 4. lateral elbow CORRECT ANSWER AP sho