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Multiple Choice
Which structure of the neuron is responsible for the quick transmission of a nerve impulse?
A
Axon
B
Dendrite
C
Nucleus
D
Cell body
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1
Begin by understanding the basic structure of a neuron, which includes the cell body, dendrites, axon, and nucleus.
Recognize that the axon is a long, slender projection of the neuron that conducts electrical impulses away from the cell body.
Learn that the axon is covered by a myelin sheath, which is crucial for speeding up the transmission of nerve impulses through saltatory conduction.
Understand that dendrites are responsible for receiving signals from other neurons and transmitting them to the cell body, but they do not conduct impulses quickly over long distances.
Identify that the nucleus is involved in the metabolic activities of the neuron but does not play a direct role in the transmission of nerve impulses.