Shear stress injury and loss of surfactant from the resulting unstable lung units result in a loss of surfactant. This type of pulmonary trauma is known as _____________
a. atelectrauma
b. barotrauma
c. biotrauma
d. volutrauma
ANS: A
Shear stress injury and loss of surfactant constitute atelectrauma. Lung injury caused by high levels of pressure and volume is referred to as barotrauma or volutrauma. The release of inflam-matory mediators from the lungs that can lead to multiorgan failure is called biotrauma.
Health Professions
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