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
During treatment of a child aged 5 years, their parents must be 
Select and explain. 
A. Seated along with child on dental chair, B. Present in operating room, C. Excluded from operating room, D. Not be in clinic at time of treatment
C: Excluded from operating room
Answer: C: Excluded from operating room 
Explanation: Excluding the parent from the operating room can contribute toward development of positive behavior on the part of the child. Over 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.