Which of the following are features of pulmonary oxygen toxicity ?
Correct Answer: All the above
Description: Ans. is 'd' i.e., All the above o Prolonged inhalation of high concentration of O2 is known to damage the lungs,o Pulmonary toxicity of O2 is related to the oxygen tension in alveoli.The pulmonary oxygen toxicitv has the following featureso Increased capillary endothelial permeability causing accumulation of fluid in the interstitial space,o Depression of mucociliary transport function of airwayo Inhibition of phagocytosis of alveolar macrophageso Changes in the surfactant activity and its production
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