How Does the Acetylcholine Receptor Respond to Prolonged Exposure to Acetylcholine

Multiple Choice

How does the acetylcholine receptor respond to prolonged exposure to acetylcholine?

A) The receptor will flicker, and the rate of flickering will increase.
B) Acetylcholine will no longer be able to bind to the receptor.
C) Acetylcholine will remain bound to the receptor, and the channel will remain open indefinitely.
D) Acetylcholine will remain bound to the receptor, but the channel will close.