A nurse is caring for a 42-year-old patient who completed chemotherapy for acute myeloid leukemia three weeks ago. The patient reports severe fatigue, shortness of breath with minimal exertion, and pale skin. Laboratory results show hemoglobin 7.2 g/dL, hematocrit 22%, and MCV 88 fL. What is the priority nursing intervention?
- Administer oxygen at 2 L/min via nasal cannula and promote rest periods
- Encourage increased dietary iron intake and refer to a nutritionist
- Prepare the patient for bone marrow biopsy to evaluate erythropoiesis
- Assess for signs of bleeding and monitor vital signs frequently