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: Microbiology
[{'content': 'Cat scratch disease is characterized by? \nSelect and explain. \nA. Caused by a virus, B. Regional lymphadenopathy is prominent, C. More common in adults, D. All of the above', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is `b' i.e. Regional lymphadenopathy is prominentCat-scratch disease (CSD) is a common and usually benign infectious disease caused by the bacterium Baonella henselae, a fastidious, intracellular, gram-negative bacteria. cases are benign and self-limiting, but lymphadenopathy may persist for several months after other symptoms disappear. The disease usually resolves spontaneously, with or without treatment, in one month.", 'role': 'assistant'}]