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': 'Which bony landmark of the femur serves as a site for muscle attachments? \nSelect and explain. \nA. fovea capitis, B. lesser trochanter, C. head, D. medial condyle', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The lesser trochanter is a small protuberance of bone that projects from the posterior aspect of the femur, inferomedially at the base of the femoral neck. Two muscles insert onto thelesser trochanter: Psoas major. Iliacus.', 'role': 'assistant'}]