respiratory pahology1 Respiratory System: Atelectasis Atelectasis Collapse or incomplete expansion of a lung or a portion of a lung, leading to decreased gas exchange and hypoxia Can be caused by: airway obstruction compression of the lung â surfactant à difficulty expanding the lung When the alveoli do not have air, they collapse and shrivel up ~ natural recoil of lung tissue Ventilation and perfusion are affected à impaired oxygenation Signs and .. 2020. 12. 3. 이전 1 다음 반응형