AlvRespMemb — KinFAST

Adaptive test — questions are selected based on your ability estimate. — Tag: PneumocytesCompare

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A histologist examines a section of an alveolus and identifies two distinct types of alveolar epithelial cells. Which combination best contrasts their structures and functions?

Type I pneumocytes are simple squamous cells that cover most of the alveolar surface and provide a thin barrier for gas exchange; Type II pneumocytes are cuboidal cells that secrete surfactant into the alveolar fluid to reduce surface tension Type I pneumocytes are cuboidal and secrete mucus into the alveolar lumen; Type II pneumocytes are squamous and remove debris Type I pneumocytes secrete surfactant; Type II pneumocytes are simple squamous cells that form the gas exchange surface Both cell types are simple squamous and are identical in function

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