Nerve Cells Receive Life-Supporting Nutrients and Insulating Myelin from

question 101

Multiple Choice

Nerve cells receive life-supporting nutrients and insulating myelin from

• A) glial cells.
• B) neurotransmitters.
• C) endorphins.
• D) hormones.

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Definitions:

Anxiety

A sensation of apprehension or fear, often about something that is going to happen soon or an outcome that is not yet clear.

Learned Response

Behaviors developed through experience or conditioning, as opposed to innate or instinctual reactions.

HPA-axis

Refers to the hypothalamic-pituitary-adrenal axis, a complex set of direct influences and feedback interactions among the hypothalamus, the pituitary gland, and the adrenal glands that regulate stress responses.

PTSD

Post-Traumatic Stress Disorder, a mental health condition triggered by experiencing or witnessing a traumatic event, marked by flashbacks, nightmares, and severe anxiety.