What condition may develop 15-30 minutes after re-administration of an antigen as a result of the increased level of antibodies, mainly IgE, that are adsorbed on the surface of target cells, namely tissue basophils (mast cells) and blood basophils?

Answer options

1. Anaphylaxis
2. Immune complex hyperresponsiveness
3. Delayed-type hypersensitivity
4. Antibody-dependent cytotoxicity
5. Serum sickness

Explanation

What condition may develop 15-30 minutes after re-administration of the antigen as a result of the increased level of antibodies, mainly IgE, that are adsorbed on the surface of target cells, namely tissue basophils (mast cells) and blood basophils? Immediate type hypersensitivity, characterized by the release of IgE, basophils, even eosinophils.