The nurse initiates a blood transfusion for a 5-year-old patient with acute splenic sequestration. One hour later, the patient appears anxious and complains of chest tightness and headache. Upon further assessment, the nurse finds that the patient's blood pressure is 78/48 mm Hg, temperature is 38.5°C, and urine output appears blood-tinged. The nurse suspects the patient is experiencing which of the following transfusion reactions?
1) Hemolytic reaction
2) Allergic reaction
3) Febrile non-hemolytic reaction
4) Transfusion-related acute lung injury