Monoclonal antibodies are sometimes prescribed for asthma caused by allergies. How do monoclonal antibodies work?

Some monoclonal antibodies used for allergic asthma target IgE, an antibody involved in allergic reactions. By blocking IgE from activating immune cells, they reduce the release of histamine and other substances that cause inflammation. This makes B, “They inhibit the release of histamine,” the best choice; they do not stop the body from producing histamine itself.

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