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
[{'content': 'Rhinoplasty is usually done at the age (years) of until the nose is fully grown- \nSelect and explain. \nA. 6 years, B. 12 years, C. 16 years, D. 25 years', 'role': 'user'}, {'content': 'Answer: C \nExplanation: • Orthognathic surgery is to correct conditions of the jaw and face related to structure, growth\n• Orthognathic surgery is usually performed when facial growth is complete (16 years in female patients, 19 years in male patients).\n• It’s suggested to get rhinoplasty (correcting and reconstructing the form, restoring the functions, and aesthetically enhancing the nose) done after 16 years\xa0of age, when natural bone structure is “settled”.', 'role': 'assistant'}]