The Main Purpose of the Blood-Brain Barrier Is to

question 19

Multiple Choice

The main purpose of the blood-brain barrier is to

• A) stop the movement of certain molecules from the bloodstream into the brain.
• B) protect the bloodstream from neuronal debris.
• C) stop neurotransmitters from passing into the bloodstream.
• D) prohibit the movement of any molecules from the bloodstream into the brain.
• E) protect endothelial cells from damage caused by neuronal activity.

---

Definitions:

Biologically Influenced

Pertaining to traits, behaviors, or disorders that are shaped in part by genetic, physiological, and neurological factors.

Psychological Disorders

Mental disorders characterized by patterns of behavior or psychological symptoms that impact multiple life areas and create distress for the person experiencing them.

Maladaptive

Refers to behaviors or thoughts that inhibit a person's ability to adjust to particular situations.

Dysfunctional

Not operating normally or effectively.