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?
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
Inspect the IV site for signs of phlebitis or infiltration
Perform a comprehensive health history to identify potential sources of infection