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: Dental
[{'content': 'During treatment of a child aged 5 years, their parents must be: \nSelect and explain. \nA. Seated along with child on dental chair, B. Present in operating room, C. Excluded from operating room, D. Not to be in clinic at time of treatment', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Excluding the parent from the operating room, can contribute toward development of positive behavior on the part of the child. \nOver the years, Starkey has been one of the strongest advocates of separation of the child from the parent during treatment and has suggested that the policy of requiring the parent to remain in the reception.', 'role': 'assistant'}]