This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
[{'content': 'A person developed sudden stridor, hoarseness of voice, tongue swelling, and edematous neck after eating a peanut. What is the likely diagnosis? \nSelect and explain. \nA. Foreign body aspiration, B. Pharyngeal perforation, C. Angioneurotic edema, D. Para pharyngeal abscess', 'role': 'user'}, {'content': 'Answer: C \nExplanation: This is a case of Angioneurotic edema characterized by tongue swelling and laryngeal edema after ingestion of a peanut.', 'role': 'assistant'}]