A trauma patient presents to your emergency department with inspiratory stridor and a suspected c- spine injury. Oxygen saturation is 88% on high-flow oxygen via a nonrebreathing mask. The most appropriate next step is to: Select one: a. apply cervical traction b. perform immediate tracheostomy insert bilateral thoracostomy tubes C. d. e. maintain 100% oxygen and obtain immediate c-spine x-rays restrict cervical motion and establish a definitive airway