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': 'Muscle attached to medial lip of linea aspera of femur ? \nSelect and explain. \nA. Sho lead of biceps femoris, B. Vastus lateralis, C. Vastus intermedius, D. Vastus medialis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Posterior border of femur shaft is in the form of a broad roughened rigde, called linea aspera. o The lines aspera has distinct medial and lateral lips.Attachments on linea aspera are :i) Lateral lip : Vastus lateralis (in upper half), sho head of biceps femoris, lateral intermuscular septum.ii) Medial lip : Vastus medialis, medial intermuscular septum.iii) Three adductors : Adductor longus, brevis and magnus.', 'role': 'assistant'}]