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Which Protective Mechanism Blocks Chemicals from Entering Brain Tissue

question 107

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Which protective mechanism blocks chemicals from entering brain tissue?


Definitions:

Hypnosis

A condition of deep attention resembling a trance, where suggestibility is increased, often applied in therapy.

Sympathetic Nervous System

Part of the autonomic nervous system responsible for the body's 'fight or flight' response during stressful situations.

Polygraph

An instrument that measures and records several physiological indicators such as blood pressure, pulse, respiration, and skin conductivity while the subject is asked and answers a series of questions, purported to indicate truthfulness.

Action Potentials

Electrical impulses that travel along the axon of a neuron, allowing it to communicate with other neurons or muscles.

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