Which cell type produces pulmonary surfactant?
Answer and explanation
Correct answer: D. Type II pneumocytes
- Step 1: Surfactant lowers surface tension and prevents alveolar collapse. Step 2. It is made and stored in the lamellar bodies of type II pneumocytes. Answer: type II pneumocytes. Why not the others: type I cells form the thin gas-exchange surface, macrophages clear debris and club cells secrete protective proteins in the bronchioles.
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