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': 'Longest muscle of the body: \nSelect and explain. \nA. Sartorius, B. Extraocular muscle, C. External oblique, D. Popliteal muscle', 'role': 'user'}, {'content': 'Answer: A \nExplanation: • Sartorius muscle is the longest muscle of the body.\n• It is also known as tailors muscle (Sartor = tailor)', 'role': 'assistant'}]