Textbook Question
Briefly explain how nerve impulses are initiated and transmitted, and why conduction at synapses is always one-way.
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An excitatory postsynaptic potential (EPSP) is __________.
the same as a nerve impulse along an axon.
a result of a stimulus strong enough to produce threshold.
a graded depolarization produced by the arrival of a neurotransmitter.
an action potential complying with the all-or-none principle.