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
Nasion is situated at 
Select and explain. 
A. Frontonasal suture, B. Zygomatic process, C. Orbital floor, D. None of above
A: Frontonasal suture
Answer: A: Frontonasal suture 
Explanation: None