Multiple Sclerosis Is a Result of

question 29

Multiple Choice

Multiple sclerosis is a result of

• A)excess amounts of myelin on nerve cells.
• B)an immune system attack on nerve fibers.
• C)the absence of myelin on nerve cells.
• D)blocking the nodes on Ranvier.
• E)having excess acetylcholine receptors.

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Definitions:

Functioning

The way in which something operates or works; can refer to individuals, systems, or machinery.

Phobic Disorders

Psychological disorders characterized by an intense, irrational fear of specific objects, situations, or activities that pose little to no actual danger.

Extreme Anxiety

A heightened state of fear, worry, or nervousness that is significantly more intense than the typical responses to stress.

External Stimuli

Any information or changes in the environment outside the organism that lead to a response.