The provided text is a lecture outline and excerpts from the sixth edition of "Outdoor Emergency Care: A Patroller’s Guide to Medical Care." This chapter specifically focuses on airway management, covering essential topics such as anatomy and physiology of the airway, various techniques for opening and clearing it, and the use of adjunct devices like oropharyngeal and nasopharyngeal airways. The material also details oxygen therapy, including safety guidelines, indications for use, administration methods, and different oxygen delivery devices. Furthermore, it addresses potential complications like gastric distention and includes practical skill guides and a case study to illustrate these concepts in a real-world context for outdoor emergency care providers.