An Action Potential Depolarizes the Synaptic End Bulb,which Causes Openings

Short Answer

An action potential depolarizes the synaptic end bulb,which causes openings of _____.The influx of _______ causes exocytosis of _______.The neurotransmitter attaches to _________.Opening of the channel allows an influx of _____________.
Drop down choices (in correct order)
Acetylcholine
Calcium ions
Ligand gates
Sodium ions
Voltage gates
Voltage gates
Ligand gates
Sodium ions