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44 Cards in this Set
- Front
- Back
What terms correctly describe the shoulder joint? |
Scapulohumeral & glenohumeral |
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Which specific joint is found on the lateral end of the clavicle? |
Acromionclavicular |
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Which of the following structure of the scapula extends most anteriorly?
Glenoid cavity
|
Coracoid process |
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T/F : the male clavicle is shorter and less curved than the female clavicle |
False |
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Which bony structure separates the supraspinous and infraspinous fossae? |
Scapular Spine |
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Which of the following structures is considered most posterior?
Scapular notch |
Acromion |
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What type of movement is the scapulohumeral joint? |
Spheroidal |
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Which one of the following technical considerations does not apply for adult shoulder radiography?
A: Center and AEC chamber activated |
A: Center and right automatic exposure control (AEC) chamber activated |
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T/F : Even though the amount of radiation exposure is minimal for most shoulder projections, gonadal shielding should be used for children and adults of child bearing age |
True |
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T/F: the greatest technical concern during a pediatric shoulder study is voluntary movement. |
True |
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Which imaging modality or procedures best demonstrates osteomyelitis. |
NM |
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Which imaging modality or procedure provides a functional, or dynamic, study of the shoulder? |
US |
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Which Projection and/or position best demonstrates signs of impigement syndrome? |
Scapular Y method Neer method |
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Which pathologic condition often produces narrowing of the joint space? |
Rheumatoid arthritis |
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Which basic projection of the shoulder requires that the humeral epicondyles be parallel to the IR? |
External rotation |
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Which pathologic conditions may require a reduction in manual exposure factors? |
Rheumatoid arthritis Osteoporosis |
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Where is the central ray centered for a AP projection of the shoulder? |
1' inferior to coracoid process |
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Which position of the shoulder and proximal humerus projects the lesser tubercle in profile medially? |
Internal rotation |
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What central ray angle should be used for the inferosuperior axial projection for the glenohumeral joint space? |
25-30 degrees medially |
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To best demonstrate the Hill-Sachs defect on the inferosuperior axial projection, which additional positioning maneuver must be used? |
Exaggerated external rotation |
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How are the humeral epicondyles aligned for a rotational lateromedial projection of the humerus ? |
Perpendicular to IR |
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Which special projection of the shoulder places the glenoid cavity in profile for an open scapulohumeral joint? |
Grashy method |
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For the erect version of the tangential projection for the intertubercular groove, the patient lens forward ______ from vertical . |
10 - 15 degrees |
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What is the major advantage of the supine, tangential version of the intertubercular groove projection over the erect version ? |
Reduced OID |
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Which projection best demonstrates the supraspinatus outlet region? |
Scapular Y lateral Neer method |
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With which of the following projections is a breathing technique recommended ?
Grashey method Transthoracic lateral Scapular Y lateral Garth method |
Grashey method Transthoracic lateral Garth method |
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What central ray angulation is required for the supraspinatus outlet tangential projection (Neer method)? |
10 - 15 degrees caudad |
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Which pathologic feature is best demonstrated with the Garth method?
Bursitis Rheumatoid arthritis Scapulohumeral dislocations Shoulder impingement |
Scapulohumeral dislocations1 |
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Which anatomy of the shoulder is best demonstrated with a superoinferior axial projection (Hobbs modification)?
Scapulohumeral joint spaces Coracoacromial arch Coracoid process Scapula in profile |
Scapulohumeral joint spaces |
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If the patient cannot fully abduct the arm 90 for the inferosuperior axial projection (Clements modification), the technologist can angle the CR _____ degrees toward the axillara. |
5 - 15 degrees |
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Which of the following projections requires the CR to be centered 2" inferior and medial from the superolateral border of the shoulder?
Tangential projection Inferosuperior axial Posterior oblique Scapula Y lateral |
Posterior oblique (Grashey method) |
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Which anatomy best demonstrated with the Alexander method? |
AC joints |
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Which type of injury should be ruled out before the weight-bearing phase of an AC joint study? |
Fractured clavicle |
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What is the minimum amount of weight a large adult should have strapped to each wrist for the weight-bearing phase of an AC joint study? |
8-10 lbs |
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T/F: A posteroanterior PA axial projection of the clavicle requires a 35-34 degree caudal central ray angle. |
False |
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T/F: A 72" SID is recommended for acromioclavicular joint study. |
True |
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Situation: A radiograph of a posterior oblique (Grashey method) reveals that the anterior and posterior glenoid rims are not superimposed. The following positioning factors were used: erect position, body rotated 35 degrees toward the affected side, central ray perpendicular to scapulohumeral joint space, and affected arm slightly abducted in neutral rotation. Which one of the following modification will superimpose the glenoid rims during the repeat exposure? |
Rotate body more toward affected side |
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Situation: A patient with a possible shoulder dislocation enters the emergency room. A neutral, AP projection of the shoulder has been taken, confirming a dislocation, Which additional projection should be taken? |
Garth method |
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Situation: A radiograph of an AP axial clavicle taken on an asthenic type patient reveals that the clavicle is projected in the lung field below the top of the shoulder. Patient was erect position, central ray angled 15 degree cephalad, 40" SID, and respiration suspended at the of expiration, What should be modified? |
Increase central ray angulation |
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Situation: Patient has a history of tendonitis of the biceps tendon. Which projection will best demonstrate calcification of the tendon within the intertubercular groove? |
Tangential projection Fisk Modification |
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Situation: Patient with possible acromioclavicular separation enters the emergency room. Which routine should be used? |
Acromioclavicular joint series: non-weight bearing projections |
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Situation: An AP apical oblique axial radiographic image shows poor visibility of the shoulder joint. Patient was erect, facing the x-ray tube, 45 degree of rotation of affected shoulder toward the IR, 45 degree cephalad angle, and the CR centered to the scapulohumeral joint. What would have contributed to the poor Garth position? |
Wrong direction of CR angle |
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Situation: Patient is referred to radiology for a nontrauma shoulder series. Routine calls for superoinferior axial projection (Hobbs modification). But the patient is unable to stand and is confined to a wheelchair. What should the technologist do? |
Perform the projection with the patient's upper chest prone on the table |
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SituationA patient enters the ER with a proximal and mid-humeral fracture. The patient is in extreme pain. Which position routine would demonstrate the entire humerus without excessive movement of the limb |
AP and transthoracic lateral of humerus |