Multiple Choice
Which of the following is primarily contained within the epidural space of the vertebral column?
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12. The Central Nervous System
Introduction to the Central Nervous System
Multiple Choice
In human anatomy, the term central nervous system (CNS) refers to which structures?
A
Cranial nerves and spinal nerves
B
Brain and spinal cord
C
Sympathetic and parasympathetic divisions of the autonomic nervous system
D
Sensory (afferent) and motor (efferent) neurons in peripheral nerves
Verified step by step guidance1
Step 1: Understand the definition of the Central Nervous System (CNS). The CNS is one of the two major divisions of the nervous system, responsible for processing and integrating information.
Step 2: Recall that the CNS consists of structures located within the dorsal body cavity, specifically the brain and spinal cord.
Step 3: Differentiate the CNS from the Peripheral Nervous System (PNS), which includes cranial nerves, spinal nerves, and sensory and motor neurons outside the brain and spinal cord.
Step 4: Recognize that the autonomic nervous system (including sympathetic and parasympathetic divisions) is part of the PNS, not the CNS.
Step 5: Conclude that the correct structures referred to by the term CNS are the brain and spinal cord.
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