When the Body Recognizes a Relatively Harmless Substance as a Dangerous

question 29

Multiple Choice

When the body recognizes a relatively harmless substance as a dangerous antigen and mounts an immune response, this response is called

• A) passive immunity.
• B) active immunity.
• C) pathogenesis.
• D) an allergic reaction.

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Definitions:

Smoke Cigarettes

The act of inhaling and exhaling the smoke produced by burning tobacco in rolled paper.

Illicit Drugs

Substances whose production, sale, or use is prohibited or strictly controlled by law due to their potential for abuse and addiction.

Health Trend

A pattern or general direction in health behavior or outcomes that is observed over time within a population.

Acute Illnesses

Diseases or conditions that develop suddenly and last a short period of time, often requiring urgent care.