Alexander Disease Is a Type of Leukodystrophy in Which Myelin

Multiple Choice

Alexander disease is a type of leukodystrophy in which myelin sheaths surrounding axons in the brain are destroyed.What type of cell is affected,and what is the outcome in Alexander disease?

A) Schwann cells are affected,and action potential propagation is slowed.
B) Oligodendrocytes are affected,and action potential propagation is slowed.
C) Schwann cells are affected,and action potential propagation is sped up.
D) Oligodendrocytes are affected,and action potential propagation is sped up.