The Most Important Function of Myelin in the Nervous System

question 24

Multiple Choice

The most important function of myelin in the nervous system is to

• A) form the blood-brain barrier.
• B) trigger the release of neurotransmitters from axon terminals.
• C) produce cerebrospinal fluid in the cerebral ventricles.
• D) facilitate conduction of action potentials in axons.

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Definitions:

Antipsychotic Drugs

Medications used to manage psychosis, including schizophrenia, by affecting neurotransmitter levels in the brain to reduce symptoms like hallucinations and delusions.

Substantia Nigra

A brain structure located in the midbrain, crucial for movement control and implicated in disorders like Parkinson's disease.

Prefrontal Cortex

The front part of the frontal lobes of the brain, implicated in a variety of complex behaviors including planning, and deeply involved in personality development.

Amygdala

A small almond-shaped structure in the brain involved in processing emotions, particularly fear and pleasure.