atelectasis

A. acute respiratory failure n adults characterized by tachypnea, dyspnea, cyanosis, tachycardia, and hypoxia

B. lack of oxygen that can lead to unconsciousness and death f not corrected immediately

C. condition in which lung tissue collapses preventing respiratory exchange of air

D. genetic condition that causes patient to produce very thick mucus resulting in severe congestion within lungs and digestive system