Neuromuscular Disorders · NCLEX Exam

What is the primary pathophysiologic process in multiple sclerosis (MS)?

  1. Degeneration of peripheral nerves outside the spinal cord only
  2. Autoimmune demyelination in the central nervous system
  3. A bacterial infection that directly destroys skeletal muscle fibers
  4. Primary necrosis of muscle cells without any nerve involvement
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Correct answer: Autoimmune demyelination in the central nervous system

MS is an autoimmune disease affecting the myelin sheath in the CNS, leading to neurological deficits.

Difficulty: Medium Question 4 of 12

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