A Patient Is Brought to the Emergency Department with a Knife

A patient is brought to the emergency department with a knife impaled in his abdomen following a domestic fight.During the initial assessment of the patient,what is it most important for the nurse to do?

A) Assess the BP and pulse.
B) Remove the knife to assess the wound.
C) Determine the presence of Rovsing's sign.
D) Palpate the abdomen for distension and rigidity.