LRA 218 FINAL EXAM QUESTIONS AND ANSWERS
What is the common term for idiopathic chronic adhesive capsulitis? - Answers - Frozen
Shoulder
Which of the following AP shoulder projections demonstrates the lesser tubercle in
profile medially? - Answers - Internal Rotation
For AC joint weight-bearing studies, patients should not be asked to hold on to the
weights with their hands; rather, the weights should be attached to the wrist. - Answers -
True
A posterior dislocation of the shoulder occurs more frequently than an anterior
dislocation. - Answers - False
Sonography is an effective diagnostic tool in studying the shoulder joint. - Answers -
True
A radiograph of an AP axial projection of the clavicle demonstrates that the clavicle is
within the mid-aspect of the lung apices. What should the technologist do to correct this
error? - Answers - Increase the cephalic CR angle during repeat exposure
The AP humerus requires that the humeral epicondyles are ________ to the IR. -
Answers - parallel
A patient enters the department with multiple injuries including a possible fracture of the
left proximal humerus. Which positioning rotation should be performed to determine the
extent of the humerus injury? - Answers - AP and horizontal beam transthoracic lateral
shoulder projection
Which of the following AP shoulder projections demonstrates the lesser tubercle in
profile medially? - Answers - Internal Rotation
A lateral elbow radiograph demonstrates about half of the radial head superimposed by
the coronoid process of the ulna. Which of the following occurred? - Answers - No
positioning errors occurred
A radiograph of the elbow demonstrates the radius directly superimposed over the ulna
and the coronoid process in profile. Which projection of the elbow has been performed?
- Answers - Medial rotation oblique
Which routine projection of the elbow will best demonstrate an elevated or visible
posterior fat pad? - Answers - True lateral with 90º flexion
What is the common term for idiopathic chronic adhesive capsulitis? - Answers - Frozen
Shoulder
Which of the following AP shoulder projections demonstrates the lesser tubercle in
profile medially? - Answers - Internal Rotation
For AC joint weight-bearing studies, patients should not be asked to hold on to the
weights with their hands; rather, the weights should be attached to the wrist. - Answers -
True
A posterior dislocation of the shoulder occurs more frequently than an anterior
dislocation. - Answers - False
Sonography is an effective diagnostic tool in studying the shoulder joint. - Answers -
True
A radiograph of an AP axial projection of the clavicle demonstrates that the clavicle is
within the mid-aspect of the lung apices. What should the technologist do to correct this
error? - Answers - Increase the cephalic CR angle during repeat exposure
The AP humerus requires that the humeral epicondyles are ________ to the IR. -
Answers - parallel
A patient enters the department with multiple injuries including a possible fracture of the
left proximal humerus. Which positioning rotation should be performed to determine the
extent of the humerus injury? - Answers - AP and horizontal beam transthoracic lateral
shoulder projection
Which of the following AP shoulder projections demonstrates the lesser tubercle in
profile medially? - Answers - Internal Rotation
A lateral elbow radiograph demonstrates about half of the radial head superimposed by
the coronoid process of the ulna. Which of the following occurred? - Answers - No
positioning errors occurred
A radiograph of the elbow demonstrates the radius directly superimposed over the ulna
and the coronoid process in profile. Which projection of the elbow has been performed?
- Answers - Medial rotation oblique
Which routine projection of the elbow will best demonstrate an elevated or visible
posterior fat pad? - Answers - True lateral with 90º flexion