A nurse is caring for a postoperative patient receiving opioid analgesics for pain management. Which assessment would alert the nurse to contact the provider?

Blood pressure of 104/72 mm Hg, pulse rate of 80, respiratory rate of 16

Blood pressure of 110/60 mm Hg, pulse of 70, respiratory rate of 14

Blood pressure of 90/50 mm Hg, pulse of 120, respiratory rate of 18

Blood pressure of 120/80 mm Hg, pulse of 100, respiratory rate of 20