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EPPP Psychology

Category - Biological Bases of Behavior

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Multiple sclerosis is caused by damage to which of the following parts of the central nervous system (CNS)?

Myelin sheaths
Axons
Motor neurons
Sensory neurons

Explanation

Answer: A - Myelin sheaths, which surround axons in the brain and spinal cord, are damaged in cases of MS. That damage interferes in communication between the brain and spinal cord, causing a broad range of signs and symptoms.

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