CASE 73 History: A 19-year-old woman (patient 1) who was an unrestrained backseat passenger was ejected in a motor vehicle accident and is unresponsive. A 36-year-old man (patient 2) was involved in a motorcycle accident; he was not wearing a helmet and sustained a head injury. 1. What should be included in the differential diagnosis? (Choose all that apply.) d. Craniocervical dissociation e. Atlantooccipital dissociation 2. The craniocervical junction is composed of the following osseous structures except: a. Occiput b. Atlas c. Axis d. Clivus 3. Which of the following is the most common spinocerebral injury in fatal cases of atlantooccipital dislocation? a. Laceration of the pontomedullary junction b. Laceration of the spinal cord
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