Microbiology Which of the following could prevent an allergen from reacting with a specific IgE molecule present on the mast cell membrane? A Antihistamine B Blocking antibody C Cromolyn sodium D Epinephrine 💡 Explanation Which of the following could prevent an allergen from reacting with a specific IgE molecule present on the mast cell membrane? ✓ Correct Answer: B. Blocking antibody