Answer the following case study:
Emilio is a 19 year-old student who was rock climbing and fell 30 feet to the ground. He became unable to move any extremities and complained of neck discomfort. He was awake, alert, and able to answer questions appropriately. He had no feeling in his arms and legs. On physical examination, Emilio's pupils are equal and reactive to light, his BP is normal (110/72), heart rate 86, respiratory rate 18, unlabored. He has no deep tendon reflex. He has sensation from his head to his chest, at the level of the nipples. He is unable to expand his chest wall. Paramedics applied a cervical collar, placed him on a board and transported him to the medical center.
a- Why is Emilio
having no sensation from his arms down?
b- What is the level of the injury?
c- Is the reflex activity from the spine affected by the injury?
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