This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Impoant Terminologies and Primitive Neonatal reflexes, Subject name: Pediatrics
[{'content': 'Which of the following is true about Cephalhematoma? \nSelect and explain. \nA. Its size is maximum at bih, B. It resolves completely in 7-10 days, C. It is limited by periosteum, D. It is due to hemorrhage in the layers of scalp', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Cephalhematoma : subperiosteal hemorrhage, limited by periosteum. Take 24-48 hours to appear completely & 6-7 weeks to disappear', 'role': 'assistant'}]