Multiple Sclerosis Is a Neurological Disorder in Which Myelin Sheaths

question 188

Multiple Choice

Multiple sclerosis is a neurological disorder in which myelin sheaths in the CNS are destroyed. Which of the following neuroglial cells is being damaged in multiple sclerosis?

• A) Astrocyte
• B) Microglia
• C) Oligodendrocyte
• D) Ependymal cell
• E) Schwann cells

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Definitions:

General Adaptation Syndrome

A model describing the body's short-term and long-term reactions to stress, characterized by three stages: alarm, resistance, and exhaustion.

Corticotropin-Releasing Hormone

A hormone secreted by the hypothalamus that stimulates the release of adrenocorticotropic hormone (ACTH) from the pituitary gland, playing a key role in the stress response.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, responsible for integrating sensory information and responding accordingly.

Chronic Stressors

Chronic stressors involve ongoing or repeated exposure to stress-inducing conditions over an extended period, often leading to long-term health and psychological effects.