Skeletal Muscle: Neuromuscular Blockade 

JV is a 24-year-old male undergoing surgery for the removal of an inflamed appendix. In addition to general anesthesia, JV is administered intravenous tubocurarine which is a competitive receptor antagonist at the neuromuscular junction.
  1. What type of nerve fiber innervates skeletal muscle?
  2. On average, what percentage of individual muscle fibers are directly innervated in each skeletal muscle?