Your Friend Has a Paralyzed Arm

question 22

Multiple Choice

Your friend has a paralyzed arm. What physical events might have caused this?

• A) damage to the part of the spinal cord that controls that arm
• B) drug-induced failure at the neuromuscular junction
• C) damage to the part of the brain that controls that arm
• D) Any of these events could have caused the paralysis: damage to the part of the brain that controls that arm, damage to the part of the spinal cord that controls that arm, or drug-induced failure at the neuromuscular junction.