Surfactants are produced by:: (A) Type 1 pneomocytes, (B) Type 2 pneumocytes, (C) Smooth muscle, (D) Macrophages in alveoli
Answer is B. Surfactants are produced by type 2 epithelial cells(pneumocytes) of the alveoli Ref: Guyton and Hall textbook of medical physiology 12th edition, page number 320,321