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: Physiology
[{'content': 'Peripheral vascular resistance is best given by \nSelect and explain. \nA. Mean arterial pressure responsible for blood flow to organ, B. Diastolic blood pressure as it decreases till mid-thoracic aorta, C. Pulse pressure as it relates to stroke volume and aortic compliance, D. Systolic pressure as it increase in descending aorta', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]