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': 'Mechanism similar to Schwartzman reaction occurs in: \nSelect and explain. \nA. Fitz Hugh Curtis syndrome, B. Waterhouse Friderichsen syndrome, C. Eichwald slimser effect, D. Anaphylactoid reaction', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b)Factors affecting intravascular coagulation is affected.Not actually immune mediated reaction.Smilar reactions happens in Waterhouse Friderichsen syndrome.', 'role': 'assistant'}]