a nurse is caring for a client who has had extensive abdominal surgery and is in critical condition. the nurse notes that the complete blood count shows an 8 g/dl hemoglobin and a 30% hematocrit. dextrose 5% in half-normal saline solution is infusing through a triple lumen central catheter at 125 ml/hr. the physician orders include the following: gentamicin 80 mg iv piggyback in 50 ml d5w over 30 minutes zantac 50 mg iv piggyback in 50 ml d5w over 30 minutes one unit of 250 ml of prbcs (packed red blood cells) over 3 hours flush the nasogastric tube with 30 ml normal saline every 2 hours. how many milliliters should the nurse record as the intake for the 8-hour shift? enter the correct number only.