Problem: A nurse is caring for a client who has hypovolemic shock. The client is being administered mannitol (Osmitrol) by IV bolus. Which of the following findings is the best indicator of the medication's effectiveness? Need Assignment Help? Select one: a. Blood pressure 112/76 mmHg b. Urine output 50mL/hr c. Capillary refill of less than 2 seconds d. BUN 18 mg/dL