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Multiple Choice
A nerve is _______.
A
a bundle of axons from multiple neurons
B
the synapse between two neurons
C
a single neuron cell body
D
a type of glial cell
Verified step by step guidance
1
Step 1: Understand the structure of a nerve. A nerve is a part of the peripheral nervous system and is composed of multiple axons bundled together, often surrounded by connective tissue.
Step 2: Clarify the term 'axon.' Axons are long, thread-like extensions of neurons that transmit electrical signals away from the cell body to other neurons, muscles, or glands.
Step 3: Differentiate between the options provided. A single neuron cell body refers to the soma of a neuron, not a nerve. The synapse is the junction between two neurons, and glial cells are supportive cells in the nervous system, not nerves.
Step 4: Recognize that a nerve is specifically a bundle of axons from multiple neurons, which allows for the transmission of signals across different parts of the body.
Step 5: Conclude that the correct answer is 'a bundle of axons from multiple neurons,' as this matches the definition and structure of a nerve.