This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Acute Kidney Injury, Subject name: Medicine
[{'content': 'Platypnea is seen with? \nSelect and explain. \nA. Hepato-pulmonary syndrome, B. Hepato-renal syndrome, C. Renal aery stenosis, D. Kyphoscoliosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Platypnea: Increase dyspnea on sitting position Seen in 1. Atrial myxoma 2. Hepatopulmonary syndrome', 'role': 'assistant'}]