Which of the following signs and symptoms would alert the nurse to possible internal bleeding in a client who has undergone pulmonary lobectomy
A.Increased blood pressure and decreased pulse and respiratory rates.
B.Sanguineous drainage from the chest tube at a rate of 50 mL per hour during the past 3 hours.
C.Restlessness and shortness of breath.
D.Urine output of 180 mL during the past 3 hours.