Place the Events in the Transmission of an Action Potential

Multiple Choice

Place the events in the transmission of an action potential in the correct order:
1) An action potential begins in the receiving neuron.
2) Neurotransmitters are released into the synaptic cleft.
3) An action potential arrives at an axon terminal.
4) Calcium ions enter the axon terminal.
5) Sodium ions diffuse into the receiving neuron.
6) Synaptic vesicles fuse with the plasma membrane.
7) Neurotransmitter molecules bind to the membrane of the receiving neuron.

A) 1,2,6,7,4,3,5
B) 3,5,6,2,7,4,1
C) 3,4,6,2,7,5,1
D) 2,3,6,7,4,5,1
E) 7,6,5,3,4,2,1