16. Which of the following statements concerning alveoli would be correct? SELECT ALL THAT APPLY!! a. Pulmonary...

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Medical Sciences

16. Which of the following statements concerning alveoli wouldbe correct? SELECT ALL THAT APPLY!!
a. Pulmonary surfactant of the alveoli is secreted by Type IIalveolar cells.
b. When intra-alveolar pressure becomes greater than atmosphericpressure expiration will occur.
c. The walls of the alveoli are very thin and are surrounded bya network of capillaries so that air and blood are separated byonly a very thin respiratory membrane.
d. Alveoli are the site of gas exchange in the lungs. e. Thewall of the alveoli is composed primarily of simple squamousepithelium.

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Answer 16 a Pulmonary surfactant of the alveoli is secreted by Type II alveolar cells Answer a The above statement is correct Pulmonary surfactant which are lipoprotein material are secreated by type II Alveolar cells It is responsible for reducing the surface tension in the alveoli b When intraalveolar pressure becomes greater than atmospheric pressure See Answer

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