Final answer:
In a febrile, non-hemolytic transfusion reaction, the nurse should stop the transfusion, notify the healthcare provider, and provide appropriate treatment based on the patient's symptoms and condition.
Step-by-step explanation:
In a febrile, non-hemolytic transfusion reaction, the nurse must prioritize action to ensure the patient's safety. The most important step in this situation is to stop the transfusion immediately. The nurse should also notify the healthcare provider, document the reaction, monitor the patient's vital signs, and initiate appropriate treatment based on the patient's symptoms and condition.