What would happen if the ventral root of a spinal nerve were…

What would happen if the ventral root of a spinal nerve were damaged?  How specifically would this effect function in the patient?  Would this influence sensory or motor function, or both?  Would this influence organ or skeletal muscle function, or both?  Why?

A drug that blocks ATP production is introduced into an isol…

A drug that blocks ATP production is introduced into an isolated axon preparation. The axon is then repeatedly stimulated, and recordings are made of the axon’s response. Would you expect the axon in this situation to fire more or fewer action potentials?  Why?