Which components make up the peripheral nervous system?

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Multiple Choice

Which components make up the peripheral nervous system?

The peripheral nervous system includes all neural tissue outside the brain and spinal cord. That means it covers the cranial nerves that originate from the brainstem, the spinal nerves that exit the spinal cord, and the networks that carry motor and sensory signals to and from the body. It also comprises the two major subdivisions: the somatic nervous system, which controls voluntary movements and conveys conscious sensation, and the autonomic nervous system, which regulates involuntary functions like heart rate and digestion. The other choices describe parts of the brain or spinal cord themselves or regions within the central nervous system, not the peripheral. So, listing the peripheral nerves along with the somatic and autonomic systems best identifies the components of the peripheral nervous system.

The peripheral nervous system includes all neural tissue outside the brain and spinal cord. That means it covers the cranial nerves that originate from the brainstem, the spinal nerves that exit the spinal cord, and the networks that carry motor and sensory signals to and from the body. It also comprises the two major subdivisions: the somatic nervous system, which controls voluntary movements and conveys conscious sensation, and the autonomic nervous system, which regulates involuntary functions like heart rate and digestion. The other choices describe parts of the brain or spinal cord themselves or regions within the central nervous system, not the peripheral. So, listing the peripheral nerves along with the somatic and autonomic systems best identifies the components of the peripheral nervous system.

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