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: 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: Ans. is 'b' i.e., Type II Pneumocytes * Surfactant is produced by type II pneumocytes.