Question: A patient returns from abdominal surgery at 1300 with a heart rate of 78 beats per minute, a respiratory rate of 14 breaths per minute, and a blood pressure reading of 128/86 mm Hg. At 1400, the patient reports light-headedness; the patient has a heart rate of 132 beats per minute, a respiratory rate of 22 breaths per minute, and a blood pressure reading of 84/58 mm Hg. Which action would the nurse perform immediately? Document the vitals. Encourage deep breathing. Administer naloxone. Increase the rate of IV fluids per facility protocol.