All of the following cause demyelination except
A) heavy-metal ion poisoning.
B) diphtheria.
C) multiple sclerosis.
D) dopamine deficiency.
E) All of these cause demyelination.

Question

Quizplus · Accepted Answer

Demyelination is the loss of myelin around nerve fibers resulting in the impairment of nerve function. Dopamine deficiency is not a known cause of demyelination. Heavy-metal ion poisoning, diphtheria, and multiple sclerosis are all known causes of demyelination. Therefore, option E is incorrect.

All of the Following Cause Demyelination Except