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: Pathology
[{'content': 'True about Henoch-schonlein pupura - \nSelect and explain. \nA. Palpable pupura, B. Thrombocytopenia, C. C-ANCA positive, D. All', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Palpable pupura", 'role': 'assistant'}]