You will need to answer 11 questions correctly to pass the test.
1. The brachial plexus is formed by the union of the _______ nerve roots. (p.3)
2. Fascicles are collections of axons which are surrounded by endoneurium.
3. Most brachial plexus lesions are caused by _______. (p.5)
4. Approximately 70% of brachial plexus injuries are secondary to motor vehicle accidents. (p.8)
5. An injured nerve with disruption of the axon, endoneurium, and perineurium, an intact epineurium, and no regeneration is classified as _______. (p.12)
6. Wallerian degeneration begins within hours of injury. (p.13)
7. The success of regeneration from the proximal stump depends to a large degree on the distance from the injury site. (p.14)
8. A patient presents with weak thumb, finger, wrist, and elbow extensors, and decreased triceps reflex. Where is the most likely location of the lesion? (p.17)
9. Which of the following would be the best choice for assessing a possible nerve root avulsion injury? (p.22)
10. Which surgical procedure typically has the best functional recovery? (p.24-25)
11. Neurogenic thoracic outlet syndrome is most often caused by the impingement of the neurovascular bundle in the _______. (p.29)
12. Which test for TOS has the patient seated and actively performing shoulder abd to 90 degrees, wrist extension, and lateral head tilt? (p.30-31)
13. Most often, a flexed posture is seen in patients with TOS. (p.32)
14. A child with Erb's palsy typically has difficulty performing _______. (p.34)
15. The Leffert Classification Scale is the most commonly used system for assessing obstetrical brachial plexus injuries. (p.34)