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: Medicine
[{'content': 'Positive hepatojugular reflux is found in conditions except: \nSelect and explain. \nA. Tricuspid regurgitation, B. Right hea failure, C. Decreased after load, D. PS', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer is C (Decreased after load) Hepatojugular reflux results from an increase in preload and afterload to the right atrium and ventricle (and not by a decrease in after load). Hepatojugular reflux is a characteristic feature of Right ventricular, failure. Tricuspid regurgitation and Puhnonic stenosis are both causes of right ventricular failure and may hence produce a positive hepatojugular reflux.', 'role': 'assistant'}]