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': 'Platypnea may be seen in all of the following conditions, except \nSelect and explain. \nA. Bilateral Diaphragmatic palsy, B. Pleural effusion, C. Pulmonary embolism, D. Cirrhosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer is A (Bilateral Diaphragmatic palsy): Bilateral diaphragmatic palsy is associated with ohopnea and not platypnea. It has not been mentioned as a cause for platypnea. Severe COPD, pleural effusion and pulmonary embolism may present with either ohopnea or platypnea depending on the pathophysilogy.', 'role': 'assistant'}]