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
Superimposition in cephalometric studies is done from registration point and it demonstrates growth of structures: 
Select and explain. 
A. Farthest from the point, B. Nearest from the point, C. At the point, D. Both 1 and 3
A: Farthest from the point
Answer: A: Farthest from the point 
Explanation: None