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  3. a 22yearold male comes to the emergency department after sustaining...

Question: a 22yearold male comes to the emergency department after sustaining...

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  1. A 22-year-old male comes to the emergency department after sustaining a fall in a construction site, after proper evaluation you notice that the patient has lack of sensation over the lateral aspect of the forearm, inability to abduct the upper limb and inability to flex the forearm. Which of the following is the most likely location of this patient’s injury?
    1. Musculocutaneous nerve
    2. C5-C6 Nerve roots
    3. Axillary nerve
    4. Medial brachial cutaneous nerve
    5. Ulnar nerve
  2. A 36-year-old male comes to the office complaining of lack of sensation in the medial aspect of the arm and forearm and a few other symptoms. Which of the following is the most likely location of this patient’s injury?
    1. Medial brachial cutaneous nerve
    2. Ulnar nerve
    3. Radial nerve
    4. Medial cord
    5. Axillary nerve
  3. A 19-year-old male comes to the ED after being stabbed in a space limited by the teres major and minor, the humerus and the long head of the triceps. Which of the following signs do you expect to find in the physical evaluation?
    1. Lack of flexion of the forearm
    2. Lack of sensation over the lateral aspect of the arm
    3. Lack of adduction of the arm
    4. Lack of sensation over the medial aspect of the forearm
    5. Lack of sensation over the clavicle

  1. A 22-year-old male comes to the ED after being stabbed in the axillary fossa. After stabilization and proper surgical evaluation an injury the portion of the brachial plexus lateral to the axillary artery. Which of the following signs do you expect to find in the physical evaluation?
    1. Weakness of supination of the forearm
    2. Lack of sensation of the medial aspect of the arm
    3. Lack of sensation of the medial aspect of the forearm
    4. Lack of extension of the forearm
    5. Lack of sensation of the lateral aspect of the arm
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