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: Surgery
Number of plates required in case of fracture of External oblique ridge area: 
Select and explain. 
A. 1, B. 2, C. 3, D. None
A: 1
Answer: A: 1 
Explanation: External oblique ridge area fracture means fracture of angle.