Which of the following parts of a neuron is correctly matched?Multiple Choicecell body—short extensions that receive impulsesaxon—conducts nerve impulsesdendrite—contains the nucleus and other organellesaxon—contains the nucleus and other organellesdendrite—conducts nerve impulses
Question
Which of the following parts of a neuron is correctly matched?Multiple Choicecell body—short extensions that receive impulsesaxon—conducts nerve impulsesdendrite—contains the nucleus and other organellesaxon—contains the nucleus and other organellesdendrite—conducts nerve impulses
Solution
The correct match is "axon—conducts nerve impulses".
Here's why:
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Cell body: This is the main part of the neuron that contains the nucleus and other organelles. It does not have short extensions that receive impulses. This function is performed by the dendrites. So, "cell body—short extensions that receive impulses" is incorrect.
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Axon: This is a long, slender projection of a nerve cell, or neuron, that conducts electrical impulses away from the neuron's cell body. So, "axon—conducts nerve impulses" is correct.
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Dendrite: These are the structures on the neuron that receive electrical messages. They do not contain the nucleus and other organelles. So, "dendrite—contains the nucleus and other organelles" is incorrect.
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Axon: As mentioned above, the axon conducts nerve impulses. It does not contain the nucleus and other organelles. So, "axon—contains the nucleus and other organelles" is incorrect.
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Dendrite: These structures receive electrical messages, they do not conduct nerve impulses. So, "dendrite—conducts nerve impulses" is incorrect.
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