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Chapter 3: Problem 7

Multiple sclerosis involves a breakdown of the ________. a. soma b. myelin sheath c. synaptic vesicles d. dendrites

Short Answer

Expert verified
b. myelin sheath

Step by step solution

01

Identify the nature of Multiple Sclerosis

Multiple sclerosis (MS) is a long-lasting disease that can affect the brain, spinal cord, and the optic nerves, causing problems with vision, balance, and muscle control. It's worth noting that MS is an autoimmune disease, where the immune system attacks the protective sheath (myelin) that covers nerve fibers, causing communication problems between the brain and the rest of the body.
02

Identify the affected component

From the description above it's clear to see that the autoimmune disease, MS, affects the myelin sheath - an insulating layer, or sheath, that forms around nerves, including those in the brain and spinal cord. This is what the immune system targets and damages in an individual with MS.
03

Select the correct option

From our previous identification, chose the option 'myelin sheath', as it is the component being affected in Multiple Sclerosis.

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