1122. The interaction of antigens with antibodies on the surface of a mast cel leads to degranulation and anaphylaxis. The mast cell granules produce anaphylaxis because they contain________________? September 27, 2025 by Admin A. Lysosomes B. Proteolytic enzymes C. Lymphotoxins D. Vasoactive mediators ✅ The correct answer is option Vasoactive mediators.