A Male Patient in His Thirties Fell 10 Feet Off

A male patient in his thirties fell 10 feet off of a loading dock, landing on his head. He has deformity and depression to the back of his head and is unresponsive with snoring respirations. Vital signs are pulse 132, respirations are agonal, blood pressure 136/64, and SpO₂ 89%. He responds to painful stimuli with purposeful activity. What instruction would you provide other caregivers at the scene?

A) "I need someone to start positive pressure ventilation at 12 breaths a minute."
B) "The patient is herniating, start hyperventilation of the patient immediately."
C) "Let's try a nonrebreather with high-concentration O₂ to increase his oxygen saturation."
D) "The airway must be manually opened with a head-tilt, chin-lift immediately!"