Abbreviation for the peripheral nervous system is ______.

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Multiple Choice

Abbreviation for the peripheral nervous system is ______.

Explanation:
The main idea is distinguishing the parts of the nervous system and their standard abbreviations. The peripheral nervous system refers to all nerves outside the brain and spinal cord, so it is abbreviated as PNS. The brain and spinal cord form the central nervous system (CNS). The autonomic and somatic systems are subdivisions within the peripheral nervous system, abbreviated ANS and SNS, respectively. Since the question asks for the abbreviation of the peripheral nervous system as a whole, PNS is the correct choice.

The main idea is distinguishing the parts of the nervous system and their standard abbreviations. The peripheral nervous system refers to all nerves outside the brain and spinal cord, so it is abbreviated as PNS. The brain and spinal cord form the central nervous system (CNS). The autonomic and somatic systems are subdivisions within the peripheral nervous system, abbreviated ANS and SNS, respectively. Since the question asks for the abbreviation of the peripheral nervous system as a whole, PNS is the correct choice.

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