What is likely the most critical associated injury of serious blunt or penetrating trauma to theâ face?

The answer to this question is the threat to airway patency.

Airway patency is the clear passage of air from the person’s nose or mouth into the lungs. If there is an obstruction or threat to the airway patency medical practitioners will do a treatment to prevent the airway obstruction like making a tracheal intubation and if critical situation arise a cardiopulmonary resuscitation is done.  

i think it would be b the increase in body temp