作者:Kent B. Whitaker, MEd, PA-C, Clinical Assistant Professor, Physician Assistant Program, Idaho State University, Pocatello, Idaho, Paul G. Eberle, PhD, RRT, Professor and Chair/Department of Respiratory Therapy, Weber State University, Ogden, Utah, Lisa Trujillo, DHSc, RRT, Assistant Professor, Director of Clinical Education, Weber State University, Ogden, Utah.