Quiz: Myelination

1. Which of the following best describes saltatory conduction?
a. An impulse moves from one neurofibril node to the next neurofibril node along the length of an axon.
b. An impulse moves from one Schwann cell to the next Schwann cell along the length of the axon.
c. An impulse moves from the axon of one neuron, across the synapse, and to the dendrite of the next neuron.
2. The neurofibril nodes are areas of the axon that __________.
a. consist of nuclei for the neuron
b. are covered by the neurolemmocytes
c. are not covered by the neurolemmocytes
3. If a neurolemmocyte makes 10 wraps around an axon, the nucleus of the neurolemmocyte can be found in wrap number __________.
a. 1
b. 5
c. 10

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