Understanding Innate Immunity - Biology

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Question

Which of the following is not considered a part of the innate immune response?

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Answer

Innate immunity is defined as the general protection mechanisms from pathogens. Innate immunity will be present even when the body has not seen a specific pathogen. Antibodies are highly specific for one particular antigen, and only develop in the body after previous exposure to a pathogen. As a result, it is not considered innate. Instead, antibodies are considered a hallmark of adaptive immunity.

Physical barriers (like the skin), chemical barriers (like stomach acid), and non-specific immune cells (like phagocytes) help to protect against all pathogens, regardless of the type of pathogen or previous exposure.

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