Final answer:
Spinal nerve injury can be caused by vertebral fractures, dislocations, birth injuries, and drug overdoses. These injuries can result in paralysis and loss of sensation and movement below the injury site.
Step-by-step explanation:
Spinal nerve injury may result from several causes, including:
- Fracture of vertebrae, dislocations, or birth injuries
- A drug overdose
These injuries can damage the spinal cord, which can lead to paralysis and a loss of sensation and movement in parts of the body below the injury location.