What Is Responsible for the Time Course of Decay of the Endplate

question 55

Multiple Choice

What is responsible for the time course of decay of the endplate current recorded at the neuromuscular junction?

• A) The time that acetylcholine is bound to the acetylcholine receptor.
• B) The mean open time of the presynaptic calcium channel that triggers acetylcholine release.
• C) The time course of synaptic vesicle endocytosis at the presynaptic nerve terminal.
• D) The mean open time of the acetylcholine receptor channel.
• E) The mean open time of the postsynaptic voltage-gated sodium channel.

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