Answer:
Sooo.. because i am like superrr smart (not really) i think its C :)
The nurse should suspect of a fractured jaw.
The crepitus is a common sign of bone fracture and it's heard when the fractured surfaces of two broken bones rub together.
Also If there is a severe jaw fracture, the patient might experience limited ability to move the jaw or be unable to move it at all.
Vertebrates have back bones or spines that give there body support.
