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
[{'content': 'About posterior cruciate ligament, the true statement is - \nSelect and explain. \nA. Prevent posterior displacement of tibia, B. Attaches to lateral femoral condyle, C. Intra synovial, D. Inserted on medial side of medial femoral condyle', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Posterior cruciate ligament originates from the posterior part of the intercondylar area of tibia and inserts onto the anterior part of the lateral surface of the medial femoral condyle. It is intracapsular but extrasynovial and prevents posterior displacement of the tibia over the femur.', 'role': 'assistant'}]