Final answer:
The best evaluation by the nurse for a patient experiencing hypovolemic shock as a result of severe burns is an urinary output of at least 50 mL/hour.
Step-by-step explanation:
In severe burns, hypovolemic shock can occur due to fluid loss, leading to inadequate blood flow to the tissues. To treat this, the physician may order a low dose of dopamine (Inotropin). The best evaluation by the nurse would be an urinary output of at least 50 mL/hour. This indicates that the kidneys are functioning well and the fluid loss has stabilized.