This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
The surfactant is secreted by: 
Select and explain. 
A. Type 1 Pneumocyte, B. Type 2 Pneumocyte, C. Epithelial cells, D. Macrophage
B: Type 2 Pneumocyte
Answer: B: Type 2 Pneumocyte 
Explanation: PneumocyteTypes of PneumocyteFunctionPneumocyte I (90-95%)Gas exchange between alveoli and blood(Refer: Ganong&;s Review of Medical physiology 24th edition, pg no: 624)