How Does Activating Opioid Receptors in the Medulla Reduce Pain

question 38

Multiple Choice

How does activating opioid receptors in the medulla reduce pain?

• A) The medulla is the pain center of the brain.
• B) There is an inhibition of pain signals passing through the medulla to elsewhere in the brain.
• C) There is a reduction in sympathetic nervous system activity, which makes someone less reactive to pain.
• D) They produce rewarding effects which counteracts pain signals.

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Definitions:

Carbon Monoxide

A colorless, odorless, and poisonous gas produced by burning carbon-containing fuels, which can bind to hemoglobin in the blood, preventing it from carrying oxygen.

Blood Pressure

The pressure of circulating blood against the walls of blood vessels, commonly measured in the arteries of the systemic circulatory system.

Hemoglobin

A protein in red blood cells responsible for carrying oxygen from the lungs to the body's tissues.

Iron

A mineral essential for various bodily functions, including hemoglobin formation in red blood cells and oxygen transport.