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: Physiology
[{'content': 'Pulmonary surfactant is secreted by: \nSelect and explain. \nA. Type I pneumocytes, B. Type II pneumocytes, C. Clara cells, D. Bronchial epithelial cells', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Surfactant produced by type II pneumocytes which decreases alveolar surface tension & increases compliance. Ref: International Review Of Cytology: A Survey of Cell Biology By Kwang W. Jeon, 2007, Page 217', 'role': 'assistant'}]