When an Action Potential Arrives at the Axon Terminal, the Voltage-Gated

question 107

Multiple Choice

When an action potential arrives at the axon terminal, the voltage-gated calcium channels at the terminal

• A) release calcium into the synaptic cleft.
• B) release neurotransmitter into the synaptic cleft through active transport.
• C) open, and the influx of calcium causes vesicle fusion with the presynaptic membrane.
• D) cause further depolarization of the membrane at the motor end plate.
• E) cause the membrane receptors to bind the neurotransmitter.

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