Which of the following is the best description of the cause of multiple sclerosis (MS)?
A) gradual death of brain cells due to calcium influx
B) damage to myelin impairs normal coordination of impulses
C) synaptic uptake of dopamine is inhibited
D) degeneration of dopamine-releasing neurons in the brain
E) excessive excitatory signals from the motor cortex

Question

Quizplus · Accepted Answer

MS is caused by damage to the myelin sheath that covers nerve fibers. This damage impairs normal coordination of nerve impulses, leading to symptoms such as muscle weakness, tremors, and difficulty with coordination and balance.

Which of the Following Is the Best Description of the Cause