This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immune system, Subject name: Medicine
[{'content': 'Which of the following is treatment of Type I hypersensitivity \nSelect and explain. \nA. Histamine, B. IgA immunoglobulin, C. Sodium cromoglycate, D. Interleukin 5', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Sodium cromoglicate stabilises the mast cell membrane, inhibiting release of vasoactive mediators. It is effective as a prophylactic agent in asthma and allergic rhinitis, but has no role in acute attacks. It is poorly absorbed and therefore ineffective in the management of food allergies DAVIDSON&;S 22 ND EDITION', 'role': 'assistant'}]