A 58-year-old male patient with a history of chemotherapy presents to the emergency department with a temperature of 101.5°F (38.6°C), chills, and general malaise. Based on the patient's presentation, which assessment should be prioritized to most accurately determine the next course of action?
Perform a comprehensive health history to identify potential sources of infection
Inspect the IV site for signs of phlebitis or infiltration
Obtain a full set of vital signs and evaluate the patient's neutrophil count
Assess the patient for other potential sources of infection like urinary or respiratory symptoms