2. Sabrina has contracted a disease that is destroying her myelin sheath. What effect would you expect this disease to have on the functioning of Sabrina’s nervous system?

a. It will speed up the neural signals traveling through her nervous system.

b. It will slow down the neural signals traveling through her nervous system.

c. It won’t affect the functioning of her nervous system in any measurable way.

d. Her nervous system will speed up and slow down in a random fashion.