Why Is the Loss of Myelin in Multiple Sclerosis a Problem

question 72

Multiple Choice

Why is the loss of myelin in multiple sclerosis a problem?

• A) The compensatory increase in sodium (Na⁺) channels can lead to nervous system overexcitation.
• B) The spike-initiation zone moves too far away from the cell body to conduct an action potential.
• C) The reduced number of calcium channels leads to less neurotransmitter release.
• D) There are too few sodium channels in the previously myelinated axon to conduct an action potential.

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The inputs used to produce goods and services, including natural resources, labor, and capital.

Consumption

The use of goods and services by households, constituting one of the primary components of GDP.

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The manner in which the prices of goods or services affect the supply and demand of goods and services.

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