Multiple Choice
What does the somatic nervous system primarily control?
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13. The Peripheral Nervous System
Introduction to the Peripheral Nervous System
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Which of the following statements about cranial nerves is true?
A
There are 12 pairs of cranial nerves in the human body.
B
Cranial nerves only carry motor signals.
C
Cranial nerves are part of the central nervous system.
D
Cranial nerves originate from the spinal cord.
Verified step by step guidance1
Identify the total number of cranial nerves in the human body. There are 12 pairs of cranial nerves, which is a key fact to remember.
Understand the function of cranial nerves. They can carry sensory signals, motor signals, or both, depending on the specific nerve.
Differentiate between the central and peripheral nervous systems. Cranial nerves are part of the peripheral nervous system, not the central nervous system.
Determine the origin of cranial nerves. They originate from the brain, not the spinal cord, which is a characteristic that distinguishes them from spinal nerves.
Review the correct statement: 'There are 12 pairs of cranial nerves in the human body,' which accurately describes the number of cranial nerves.
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