A nurse is collecting data from a client who is postoperative. Which of the following findings should the nurse identify as objective data? (Select All that Apply.)

C The client states they are experiencing 'extreme pain'. A The client is reporting nausea. D The client's current blood pressure is below their preoperative reading. E The client's right calf is swollen and warm to the touch. B The client's urine output has been 150 mL over the past 3 hr.