Which of the following epithelia forms the walls of the air sacs of the lungs?
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The wall of the alveolus (air sac) in the lung is composed of which type of epithelium?
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D) respiratory membranes 20) The respiratory membrane of the gas exchange surfaces consists of A) pseudostratified ciliated columnar epithelium. B) moist cuboidal epithelium. C) simple squamous epithelium. D) ciliated squamous epithelium. E) surfactant cells. 21) The right lung has ______ and the left lung has ______ A) three lobes; three lobes B) two lobes; two lobes C) two lobes; three lobes D) three lobes; two lobes E) four lobes; three lobes 22) Damage to the type II pneumocytes of the lungs would result in A) inflation of each alveolus B) an increased rate of gas exchange. C) decreased surface tension in the alveoli. D) a decreased production or loss of surfactant.. E) All of the answers are correct. 23) Roughly ______ terminal bronchioles arise from each tertiary bronchus. A) 1,500 B) 3,000 C) 6,500 D) 10,000 E) 100,000 24) Respiratory function deteriorates as a result of pneumonia because inflammation: A) causes fluids to fill the alveoli and microbes spread from one alveolus to the next B) causes respiratory bronchioles to swell and dilate. C) causes the lungs to leak air into the thorax. D) reduces movement of the epiglottis. E) reduces the size of the pleural cavity. 25) All of the following are respiratory zone structures, except one: A) alveoli B) alveolar ducts C) terminal bronchiole D) alveolar sacs E) respiratory bronchioles
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