Substances That Provoke an Immune Reaction Because They Are Perceived

question 12

True/False

Substances that provoke an immune reaction because they are perceived as foreign are termed antigens.

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Definitions:

Cell

The smallest structural and functional unit of an organism, typically microscopic, and consisting of cytoplasm and a nucleus enclosed in a membrane.

Nonsteroidal

Refers to medications or compounds not derived from steroids, often used to reduce inflammation, fever, or pain without the side effects of steroids.

Cortisol

A steroid hormone produced by the adrenal glands, often referred to as the "stress hormone" because its levels increase in response to stress and low blood-glucose concentration.

Immune Responses

The body's defensive reactions to foreign substances or pathogens, including the production of antibodies and other mechanisms of immunity.