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
Posterior cruciate ligament- true statement is 
Select and explain. 
A. Attached to the lateral femoral condyle, B. Intra synol, C. Prevents posterior dislocation of tibia, D. Relaxed in full flexion
C: Prevents posterior dislocation of tibia
Answer: C: Prevents posterior dislocation of tibia 
Explanation: C i.e Prevents posterior dislocation of tibia