____ nerves are typically fast-conducting nerves because of the layered insulation.

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Myelinated nerves have layers of insulation, called myelin, which help to conduct nerve impulses at a faster rate than unmyelinated nerves. Therefore, myelinated nerves are typically fast-conducting nerves. Presynaptic nerves refer to the portion of the neuron before the synaptic cleft, and impulse nerves are not a commonly used term.

____ Nerves Are Typically Fast-Conducting Nerves Because of the Layered