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: Gynaecology & Obstetrics
[{'content': 'True about pathophysiology of uterine fibroid is \nSelect and explain. \nA. Uterine fibroid is derived from multiple progenitor myocytes, B. Mitotic activity in these muscles is very common, C. They possess distinct autonomy from their surrounding myometrium, D. Leiomyoma have high arterial density compared with surrounding myometrium', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Uterine fibroid is derived from single progenitor myocyte.\nMitotic activity is rare in these muscles. They have lower arterial density compared to surrounding myometrium.', 'role': 'assistant'}]