Your Male Patient Has a Large Knife Impaled in His

Your male patient has a large knife impaled in his chest. You should

A) have your partner remove the knife and apply pressure with your gloved hand.
B) leave the knife in and stabilize the knife with bulky dressing.
C) watch for paradoxical chest movement and apply positive pressure ventilation as needed.
D) remove the knife and immediately apply an occlusive dressing.