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': 'The pressure-volume curve is shifted to the left in \nSelect and explain. \nA. Mitral regurgitation, B. Aortic regurgitation, C. Mitral stenosis, D. Aortic stenosis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Pressure - volume curve shifts to left \n\nSympathetic stimulation\nAortic stenosis (pressure overload)\nConcentric hypertrophy\n\nPressure-volume curve shifts to right (volume overload)\n\nMitral regurgitation\nAortic regurgitation', 'role': 'assistant'}]