Which of the Following Are Emergency Situations That Require First

Which of the following are emergency situations that require first priority assessments?

A) Airway and breathing problems, back injuries, head injuries  
B) Poisoning, airway and breathing problems, head injuries, bleeding, allergic reaction  
C) Fractures, back injuries, head injuries  
D) Back injuries, head injuries, poisoning  
E) Head injuries, fractures, poisoning