A motorist was in a car accident. The motorists thigh was cut very badly. The mo

Question

A motorist was in a car accident. The motorists thigh was cut very badly. The motorist could move the leg but lost sensation in the leg. Now, when the motorist steps on something or brushes up against an object, she can't feel it. After about two months the motor started to feel some sensation in the leg again.

1. Was damage done to the Central Nervous System or Peripheral Nervous System?
2. Which kinds of neurons showed damage(Afferent or Efferent)?
3. What sensory or motor limitations were caused by the damage?
4. What is the likelihood that the motorist will recover this functionung?

Explanation / Answer

1. Numbness is a common symptom of Peripheral Nervous system damage

2. The injury is likely to have caused damage to the afferent neurons since afferent neurons are responsible for carrying nerve impulses from the central nervous system.

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