Question at position 17 Which part of a neuron sends messages to other cells?GliaCell bodyDendritesAxon

Question

BlackTom AI · Accepted Answer

The question asks: Which part of a neuron sends messages to other cells?

Answer options are: Glia, Cell body, Dendrites, Axon.

First, consider each option in turn.

Glia: Glial cells are supportive cells in the nervous system; they provide insulation, nutrients, and structural support, and participate in repair and maintenance. They do not typically transmit electrical messages between neurons, so this option does not describe the message-sending component.

Cell body (soma): The cell body contains the nucleus and most of the metabolic machinery of the neuron. While it integrates incoming signals and maintains cell health, it is not the structure that traditionally sends out messages to other cells. Therefore, this option does not identify the message-sending pathway.

Dendrites: Dendrites receive chemical signals from the axons of other neurons and convey these signals toward the cell body for integration. They are primarily involved in receiving information, not in sending messages to downstream cells. Hence, this option mislabels the primary message-sending structure.

Axon: The axon is the long projection that carries neural impulses away from the cell body toward other neurons, muscles, or glands. This is the signature component responsible for transmitting messages to other cells, often over long distances, via action potentials and synaptic transmission. Therefore, this option correctly identifies the messenger-carrying part of the neuron.

In summary, while glia provide support, the soma serves housekeeping and integration, and dendrites are receivers, the axon is the conduit that delivers signals to downstream targets. The reasoning aligns with the basic neurophysiology of neurons where the axon is specialized for sending messages to other cells.

Question at position 17 Which part of a neuron sends messages to other cells?GliaCell bodyDendritesAxon

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