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
Which of the cephalometric parameter is used to diagnose a long face syndrome patient? 
Select and explain. 
A. ANB angle, B. SNA angle, C. Jaraback ratio, D. Saddle angle
C: Jaraback ratio
Answer: C: Jaraback ratio 
Explanation: None