Patient was educated on pulmonary surfactant as follows: Surfactant is a substance produced by cells in the alveoli of the lung. During exhalation or breathing out, surface tension between the walls of the alveoli will be high and this can lead to the walls of the alveoli to stick together and collapse. During the next inhalation or breathing in, collapsed alveoli demand extra effort to expand and accommodate fresh air. Surfactant in the lung helps [...]