This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Heart, Circulation, and Blood, Subject name: Physiology
[{'content': 'All of the following statements are false EXCEPT: \nSelect and explain. \nA. Right ventricle work more than left ventricle, B. Left ventricle works more than right ventricle, C. Both ventricle work equal, D. Maximum ventricular filing occurs in isovolumetric contraction', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B Left ventricle works more than right ventricleRef: Guyton Physiology, 11th ed. pg. 110* Right ventricular external work output is normally about one sixth the work output of the left ventricle because of the six-fold difference in systolic pressures that the two ventricles pump.', 'role': 'assistant'}]