This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of Immediate-Type Hypersensitivity, Subject name: Medicine
[{'content': 'Which of the follow ing is associated with highest risk of Anaphylaxis - \nSelect and explain. \nA. Irondextran, B. Iron sucrose, C. Ferumoxytol, D. Iron Gluconate', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Iron dextran o The risk of anaphylaxis is maximally associated with high molecular weight dextran (not so with low molecular weight dextran).Intravenous iron preparations Drue# Iron dextran (high molecular weight)# Iron dextran (low molecular weight)Ferric gluconate a Iron sucroseFerumoxytolIron isomahosideFerric carboxymaliose", 'role': 'assistant'}]