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Upper Extremity ATSU Exam 3 questions with correct answers A+ rated
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Upper Extremity ATSU Exam 3 questions with correct answers A+ rated
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Upper Extremity ATSU Exam 3Which of the following a bony landmark found on the proximal humerus? - correct answer ✔✔greater
tubercle
What is the origin of the serratus anterior m.? - correct answer ✔✔lateral border of ribs 1-8
Which of the following muscles is innervated by the axillary n.? - correct answer ✔✔teres minor m.
Which of the following bony landmarks is found most medially? - correct answer ✔✔impression of
costoclavicular l.
In which of the following joints can an articular disc be found? - correct answer ✔✔sternoclavicular joint
The muscles attaching to the vertebral border of the scapula are innervated by what nerve? - correct
answer ✔✔dorsal scapular nerve
Origins of the deltoid m? - correct answer ✔✔-lateral 1/3 of clavicle
-Spine (of scapula)
-Acromion process
Which of the following muscles are innervated by the lower subscapular n.? - correct answer ✔✔-teres
major
-subscapularis
A 17 year-old football player reports to your clinic after falling on his right shoulder two days ago. Your
evaluation finds the right acromion process to be more prominent, and the right clavicle is slightly
displaced. Imaging confirms that there are no fractures present. You suspect this patient has suffered
from an acromioclavicular joint dislocation ("shoulder separation"). Which of the following ligaments
may be damaged from this injury? (Choose all that apply). - correct answer ✔✔-trapezoid l.
, -conoid l.
-Acromioclavicular l.
A 67 year-old patient arrives to your clinic with complaints of decreased shoulder motion. Your
evaluation finds the patient is unable to perform shoulder abduction past 30 degrees. Which of the
following muscles is likely affected? - correct answer ✔✔middle deltoid m.
A 34 year-old female patient complains of decreased shoulder stability after undergoing a masectomy.
During the procedure, the surgeon accidentally cut a nerve traveling along the lateral border of the
thoracic cage. You notice that your patient has significant "winging" of her right scapula. Which muscle is
most likely affected by the nerve that was cut during surgery? - correct answer ✔✔serratus anterior m.
Which of the following ligaments has two attachments on the same bone? - correct answer
✔✔coracoacromial l.
What is the insertion of the supraspinatus m.? - correct answer ✔✔greater tubercle, superior facet
Which of the following ligaments comprise the coracoclavicular ligaments? - correct answer ✔✔-conoid
l.
-trapezoid l.
Which of the following muscles would be totally inactive if the axillary n. is damaged? - correct answer
✔✔deltoid m.
Which of the following statements are TRUE in regards to the glenohumeral joint? - correct answer ✔✔-
the rotator cuff mm. assist in stabilizing the joint
-Movement can occur in three axes, permiting flexion/extension, abduction/adduction, and rotation
(exteral/internal)
A patient presents with tenderness over the greater tubercle, decreased strength during shoulder
abduction and external rotation, and you note muscle atrophy (wasting) inferior to the spine of the
scapula. Which nerve would most likely be affected with this clinical presentation? - correct answer
✔✔suprascapular n.
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