1. Action potentials flow from __________ neuron axon terminals.
a) presynaptic b) postsynaptic c) synaptic cleft d) synaptic gutter
2. Neurotransmitter chemicals released from synaptic vesicles flow across the __________ to postsynaptic neuron's receptors.
a) presynaptic b) synaptic cleft c) synaptic gutter
3. Axon terminals are __________.
a) presynaptic b) postsynaptic c) synaptic cleft d) synaptic gutter
4. The neuron receiving the action potential has __________ receptors.
a) presynaptic b) postsynaptic c) synaptic cleft d) synaptic gutter