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
Which of the following is true about Cephalhematoma? 
Select and explain. 
A. 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
C: It is limited by periosteum
Answer: C: It is limited by periosteum 
Explanation: Cephalhematoma : subperiosteal hemorrhage, limited by periosteum. Take 24-48 hours to appear completely & 6-7 weeks to disappear