A 57-year-old male has been involved in a motor vehicle collision and is entrapped in his car. He is unresponsive, with agonal gurgling respirations and blood coming from his nose. His respirations show poor effort and are inadequate. The radial pulse is rapid and weak, and the skin cool and diaphoretic. An Emergency Medical Responder is holding manual spinal motion restriction. Which action would you perform first?

A) Mechanical extrication from the vehicle
B) Application of a cervical collar
C) Control a nasal hemorrhage
D) Suction the airway with a catheter

D) Suction the airway with a catheter