Multiple Choice
In human anatomy, the central nervous system (CNS) consists of which structures?
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12. The Central Nervous System
Introduction to the Central Nervous System
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Which structures make up the central nervous system (CNS)?
A
Spinal cord and peripheral nerves
B
Cranial nerves and spinal nerves
C
Brain and spinal cord
D
Brain and cranial nerves
Verified step by step guidance1
Understand the definition of the central nervous system (CNS): it consists of the main control centers of the nervous system responsible for processing and integrating information.
Recall that the CNS is composed of two primary structures: the brain and the spinal cord.
Differentiate the CNS from the peripheral nervous system (PNS), which includes nerves outside the brain and spinal cord, such as cranial nerves and spinal nerves.
Recognize that peripheral nerves, cranial nerves, and spinal nerves belong to the PNS, not the CNS.
Conclude that the correct structures making up the CNS are the brain and spinal cord.
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