Final answer:
The nurse would anticipate administering IV fluid to the patient to help restore blood volume and improve blood pressure.
Step-by-step explanation:
The nurse would anticipate administering IV fluid to the patient.
In this scenario, the patient had an estimated blood loss of 400 mL and received 300 mL of 0.9% normal saline. The postoperative blood pressure of 70/48 mm Hg indicates hypotension, which could be due to the fluid deficit from the surgery. Therefore, the nurse would anticipate administering intravenous fluids to help restore blood volume and improve blood pressure.