Medical Emergencies · single question

Multiple sclerosis (MS) is related to oligodendrocytes. What type of disease is it?

  1. Bacterial
  2. Purely genetic
  3. Autoimmune
  4. Viral
Show answer and explanation

Correct answer: C. Autoimmune

  • A. Incorrect. MS has no definitive viral etiology, though viral triggers (EBV) have been hypothesized.
  • B. Incorrect. MS has no bacterial etiology.
  • C. Correct. MS is an autoimmune demyelinating disease where the immune system attacks myelin sheaths of oligodendrocytes in the CNS, causing plaques and neurological dysfunction.
  • D. Incorrect. While genetic susceptibility exists, MS is classified as autoimmune, not purely genetic.

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