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
Pulmonary surfactant is secreted by: 
Select and explain. 
A. Type I pneumocytes, B. Type II pneumocytes, C. Clara cells, D. Bronchial epithelial cells
B: Type II pneumocytes
Answer: B: Type II pneumocytes 
Explanation: 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