Which of the following statements about postsynaptic currents at the neuromuscular end plate is false?
- Depolarizing currents can be recorded from outside-out patches of postsynaptic membrane.
- Individual channels tend to stay open for no more than a few msec.
- Acetylcholine can induce openings of ligand-gated ion channels.
- The end plate potential is due to the opening of thousands or millions of channels.
- The end plate channels show a regenerative opening pattern that propagates an action potential along the length of the muscle fiber.
Answer: 5