Lewis Chapter 25 (Assessment of Respiratory System) questions with correct answers

Tidal Volume CORRECT ANSWER Volume of air exchanged with each breath. Alveoli CORRECT ANSWER Small sacs in the lungs that are the primary site of gas exchange for O2 and CO2. Alveolar-capillary CORRECT ANSWER Gases are exchanged at the ______-______ membrane. Surfactant CORRECT ANSWER lipoprotein that lowers the surface tension in the alveoli. Reduces the amount of pressure needed to inflate the alveoli and makes them less likely to collapse. Larger breath/sigh. CORRECT ANSWER What promotes surfactant secretion and stretches the alveoli? Atelectasis CORRECT ANSWER Collapsed, airless alveoli Post op patients. Because of the effects of anesthesia and restricted breathing with pain. ARDS. Lack of surfactant CORRECT ANSWER Who is at risk for atelectasis? Bronchial Circulation CORRECT ANSWER Starts with bronchial arteries, which arise from the thoracic aorta. The bronchial circu