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: Anatomy
The epiphysis at the tip of coracoid process is: 
Select and explain. 
A. Traction, B. Atavistic, C. Pressure, D. A or C
B: Atavistic
Answer: B: Atavistic 
Explanation: Atavistic