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question 19
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use the diagram above to answer the next question.
which of the following types of nerve transmission occurs in this neuron?

select one:
a. toward the central nervous system
b. away from the central nervous system
c. relatively fast and between nodes
d. relatively slow and between nodes

question 20
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Explanation:

The diagram shows a myelinated neuron with nodes of Ranvier. Saltatory conduction (nerve transmission between nodes) is relatively fast as the action potential jumps between nodes. Option a and b refer to sensory (toward CNS) or motor (away from CNS) neurons, but the diagram's structure (myelinated, nodes) relates to speed and node - to - node transmission. Option d is incorrect as saltatory conduction is fast. So the correct option is about fast transmission between nodes.

Answer:

c. relatively fast and between nodes