A 28-year-old woman has episodes of weakness and optic neuritis. MRI shows periventricular plaques. Which cells are damaged in the central nervous system?

Answer and explanation

Correct answer: C. Oligodendrocytes

  1. Step 1: Multiple sclerosis destroys oligodendrocyte myelin. Answer: Oligodendrocytes. Why not the others: Schwann cells myelinate peripheral nerves and the others are not the primary target.

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