Exam Module- Upper Limb Trauma 1. What is the most common complication after antegrade intramedullary nail fixation of a humeral shaft fracture? Infection Axillary nerve injury Nonunion Radial nerve injury Shoulder pain (Question 1 of 10)2. What radiological finding is pathognomic of scapulothoracic dissociation? Displaced coracoid fracture Associated sternoclavicular dislocation and Acromioclavicular dislocation More than 7 cm widening of fracture at medial border of scapula Widened scapular index Floating shoulder (Question 2 of 10)3. The humeral head is predominantly perfused by which of the following vessels? posterior humeral circumflex artery profunda brachii artery thoracoacromial artery anterior humeral circumflex artery subscapular artery (Question 3 of 10)4. A 23-year –old male suffers from left medial clavicle pain and hoarseness of voice after a road traffic accident. There are no fractures, but on a 40-degree cephalic tilt AP view of both clavicles (serendipity view), the left medial clavicle appears to be caudally displaced (relative to the level of the right medial clavicle). What is the diagnosis? Posterior sternoclavicular dislocation Inferior sternoclavicular dislocation Anterior sternoclavicular dislocation Superior sternoclavicular dislocation Fracture sternum (Question 4 of 10)5. The most common site of developmental nonunion is between which of the following acromial ossification centers? The mesoacromion and metaacromion d. The metaacromion and The basiacromion e. the preacromion and the metaacromion The basiacromion and the mesoacromion c. The basiacromion and the preacromion (Question 5 of 10)6. Which of the following proximal humerus fractures typically have the most favorable outcome if managed by ORIF rather than immediate hemiarthroplasty? a) Four-part fracture with anterior displacement of the shaft b) Four-part fracture with posterior displacement of the shaft c) Four-part fracture with varus impaction of the head d) Four-part fracture with valgus impaction of the head (Question 6 of 10)7. The ‘safe zone” for placement of hardware in radial head fracture is 100 degrees centered over the coronal equator, with the forearm held in what position? Full supination 45 degrees of supination Full pronation Neutral rotation 45 degrees of pronation (Question 7 of 10)8. Which of the following is not a component of the “superior shoulder suspensory complex? The distal third of the clavicle The coracoid process The superior glenohumeral ligament The acromioclavicular ligaments The coracoclavicular ligaments (Question 8 of 10)9. Essex Lopresti injury results from fall on what position of the forearm? Valgus Pronation Flexion Extension Varus(Question 9 of 10)10. The most significant risk factor for nonunion of fractures of the middle third of the clavicle is which of the following? Shortening of > 2 cm Obese individual Smoker Short Duration of Immobilisation Comminution at the fracture site (Question 10 of 10) Loading ... Get explanatory answers from our book, Post Views: 5,839 Related Posts Trauma Module-Lower ExtremityGet explanatory answers from our book, Hand Surgery Exam ModuleGet explanatory answers from our book, Spine Surgery Exam ModuleGet explanatory answers from our book,
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