Multiple Choice
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
Correct Answer:

Verified
Correct Answer:
Verified
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