This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'In the case of dogbite the biting animal should be observed for atleast - \nSelect and explain. \nA. 5 days, B. 10 days, C. 15 days, D. 3 weeks', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Post exposure prophylaxis may be discontinued if the suspected animal is proved by appropriate laboratory examination to be free of rabies or in the case of domestic dogs , cats or ferrats , the animals remain healthy throughout a 10 day observation period staing from the date of bite Reference; Park&;s Textbook of preventive and social medicine,24th edition.Pg no. 297', 'role': 'assistant'}]