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Question
The peripheral nervous system consists of: 
Options:
A .  spinal nerves only
B .  cranial and spinal nerves
C .  cranial nerves only
D .  brain and spinal cord
Answer: Option B
:
B
Peripheral nervous system is divided into somatic and autonomic nervous systems. The somatic nervous system consists of cranial nerves and spinal nerves.There are 12 pairs of cranial nerves in the brain connecting head and upper body, while 31 pairs of spinal nerves connecting the rest of the body. While some cranial nerves contain only sensory neurons, most cranial nerves and all spinal nerves contain both motor and sensory neurons (mixed type).

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