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: Gynaecology & Obstetrics
[{'content': 'Combination of Nifedipine with what other tocolytic agent can potentially cause dangerous neuromuscular blockade. \nSelect and explain. \nA. Terbutaline, B. Magsulf, C. Indomethacin, D. Atosiban', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Magnesium sulphate when used with nifedipine can cause neuromuscullar blockade that can interfere with pulmonary and cardiac function.', 'role': 'assistant'}]