Answer :
Final answer:
The first action a nurse should take when a client's temperature increases significantly during a transfusion of packed RBCs is to notify the healthcare provider, as it can indicate a potentially serious transfusion reaction. The correct answer is d).
Explanation:
Transfusion reactions are defined as adverse events associated with the transfusion of whole blood or one of its components. These may range in severity from minor to life-threatening. The first action a nurse should take when a client's temperature increases to 39.1ºC (102.4ºF) during a transfusion of packed RBCs. The first action to take in such a situation is to notify the provider.
This is because a sudden increase in temperature can indicate a transfusion reaction, which may require immediate medical intervention to prevent more serious complications. The other listed actions, such as slowing the infusion rate, administering an antipyretic medication, and obtaining a blood culture, might be subsequent steps based on the provider's assessment and orders.