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': 'Which of the following are type 3 hypersensitivity reactions? \nSelect and explain. \nA. Good Pasteur syndrome, B. Serum sickness, C. Ahus reaction, D. Asthma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer- B. Serum sicknessLocal-Ahus reactionSystemic-serum sicknessSchick testPolyaeritis nodosa (PAN)Rheumatoid ahritisSLEAcute viral hepatitisPenicillamine toxicityHyperacute graft rejectionType 2 lepra reaction (ENL)Hypersensitivity pneumonitisInfective endocarditisHenoch schonlein purpuraGlomerulonephritis', 'role': 'assistant'}]