This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
[{'content': 'Which is an example of type-III hypersensitivity \nSelect and explain. \nA. Contact dermatitis, B. Hemolytic anemia, C. Serum sickness, D. Good pasture syndrome', 'role': 'user'}, {'content': "Answer: C \nExplanation: Serum sickness is type III hypersensitivity reaction. Type III hypersensitivity reaction is immune complex diseases. Damage is caused by antigen- antibody complexes. These may precipitate in and around small blood vessels causing damage to cells secondarily or on membranes, interfering with their function. Reference : Anathanarayan & paniker's 9th edition, pg no:162 <\\p>", 'role': 'assistant'}]