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Multiple Choice
Which one of the following is entirely located within the central nervous system?
A
Interneurons
B
Schwann cells
C
Motor neurons
D
Sensory neurons
Verified step by step guidance
1
Begin by understanding the components of the central nervous system (CNS), which includes the brain and spinal cord.
Identify the types of neurons and cells mentioned in the problem: Interneurons, Schwann cells, Motor neurons, and Sensory neurons.
Recognize that Schwann cells are part of the peripheral nervous system (PNS) and are responsible for myelinating peripheral nerves, thus they are not located within the CNS.
Understand that Motor neurons and Sensory neurons have parts that extend into the peripheral nervous system, as they transmit signals to and from the CNS to the rest of the body.
Interneurons are specialized neurons that are entirely located within the CNS, functioning to connect other neurons within the brain and spinal cord, facilitating communication within the CNS.