The etiology of multiple sclerosis may involve
A) lack of an enzyme needed for myelinization.
B) damage to the blood-brain barrier by a virus.
C) the formation of ß-amyloid protein.
D) degeneration of cholinergic cells in the basal forebrain.
E) the formation of neurofibrillary tangles.

Question

Quizplus · Accepted Answer

Multiple sclerosis (MS) is believed to involve an autoimmune response against myelin in the central nervous system, which can be triggered by environmental factors such as a viral infection. This can lead to damage to the blood-brain barrier, allowing further immune system attacks on the myelin sheath.

The Etiology of Multiple Sclerosis May Involve