What determines the decay time for an endplate potential?
A) The time course of acetylcholine release from the nerve terminal
B) The time that acetylcholine is present in the synaptic cleft
C) The time constant of the presynaptic nerve cell membrane
D) The mean open time of the acetylcholine receptor channel
E) The time constant of the muscle fiber membrane
Correct Answer:
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A) The membrane
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