Which one of the following events associated with the transmission of an impulse across a synapse occurs last?
A) Action potential arrives at an axon bulb.
B) Neurotransmitter is released into synaptic cleft.
C) Chemically gated channels for sodium open.
D) Calcium diffuses into an axon bulb.
E) Neurotransmitter binds to receptors on postsynaptic membrane.

Question

Quizplus · Accepted Answer

Chemically gated channels for sodium open last, allowing sodium ions to enter the postsynaptic neuron, leading to depolarization and the continuation of the nerve impulse.

Which One of the Following Events Associated with the Transmission