This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
[{'content': 'The anaphylaxis should be treated first with \nSelect and explain. \nA. Epinephrine, B. Steroids, C. Anti histamines, D. Antibiotics', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]