Examine the Neurotransmitters in the Synapse in the Accompanying Figure

Multiple Choice

Examine the neurotransmitters in the synapse in the accompanying figure.What might happen to these neurotransmitters after step 4 is complete? The neurotransmitters ________.

A) are transported back to the sending neuron
B) are transported into the receiving neuron
C) remain in the synaptic cleft
D) trigger an action potential in the sending neuron