American Academy of Professional Coders (AAPC) Practice Exam

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What is the role of the meninges in the body?

  1. Support respiratory function

  2. Serve as a protective covering

  3. Facilitate digestion

  4. Enhance sensory perception

The correct answer is: Serve as a protective covering

The meninges play a crucial role in the central nervous system by serving as a protective covering for the brain and spinal cord. This protective layer consists of three membranes: the dura mater, arachnoid mater, and pia mater. Their primary function is to provide physical protection against injury, help contain cerebrospinal fluid (CSF), and create a stable environment for the brain and spinal cord. By shielding these vital structures, the meninges help prevent infections and inflammatory processes that could harm neural tissue, making them essential for maintaining the health and integrity of the nervous system. This protective role is fundamental to the overall functioning of the body, ensuring that the central nervous system can operate effectively and safely.

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