This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Medicine
[{'content': 'Cause of transudate pleural effusionn is \nSelect and explain. \nA. Nephrotic syndrome, B. Tuberculosis, C. Pneumonia, D. Pulmonary infarction', 'role': 'user'}, {'content': "Answer: A \nExplanation: Causes of transudative effusion includes Nephrotic syndrome,congestive hea failure,cirrhosis,pulmonary embolization, myxedema,etc.Causes of exudative effusion includes neoplasms;infections like pneumonia,TB,collagen vascular diseases,Meigs syndrome,etc. Most common cause of exudative pleural effusion is bacterial pneumonia. Reference:Davidson's Medicine-22nd edition,page no:661.", 'role': 'assistant'}]