______________ results from a loss of myelin wrappings.
A. Parkinson's disease
B. Multiple sclerosis
C. Schizophrenia
D. Alzheimer's disease
Question 2
Cocaine selectively blocks Na+ (sodium) channels, which is the mechanism that leads to
A. CNS stimulation.
B. increased heart rate.
C. local anesthetic effects.
D. cocaine dependence.