A Patient Is Newly Diagnosed with Multiple Sclerosis (MS)

Multiple Choice

A patient is newly diagnosed with multiple sclerosis (MS) .What physiologic change is causing the patient's symptoms?

A) Depletion of dopamine in the central nervous system (CNS)
B) Demyelination of nerve fibers in the CNS
C) The development of neurofibril webs in the CNS
D) Reduced amounts of acetylcholine at the neuromuscular junction