This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Microbiology
[{'content': 'Uterine souffle is defined as \nSelect and explain. \nA. Is a soft blowing murmur synchronous with foetal hea sounds, B. Is due to increase in blood flow through the dilated uterine vessels, C. Is due to the active foetal movements, D. Indicates the underlying foetal distress', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The uterine souffle is a soft, blowing sound that is synchronous with the maternal pulse.It is usually heard most distinctly near the lower poion of the uterus.This sound is produced by the passage of blood through the dilated uterine vessels.It also may be heard with any condition in which uterine blood flow is greatly increased, for example, with large uterine myomas or ovarian tumours.', 'role': 'assistant'}]