A Patient Returns to the Surgical Unit Following an Abdominal

A patient returns to the surgical unit following an abdominal Nissen fundoplication for treatment of GERD.Four hours postoperatively,which one of the following is it most important for the nurse to address?

A) The patient has dyspnea and absent breath sounds throughout the left lung.
B) The patient complains of level 6 (of a 0 to 10 scale) abdominal pain.
C) The patient has decreased bowel sounds in all four quadrants.
D) The patient is experiencing intermittent waves of nausea.