A nurse is caring for a client Exhibits A nurse is reviewing the client's electronic medical record. Which of the following findings require follow up? Select all that apply.

A. Temperature (38.6°C / 101.5°F): A fever in a chemotherapy client with a low WBC count is concerning for infection or neutropenic fever, which can be life-threatening. Neutropenia (WBC 3,800/mm³) weakens the immune response, making infections more severe. B. Potassium level (3.6 mEq/L): The potassium level is within normal limits (3.5–5.0 mEq/L) and does not indicate an immediate concern. C. WBC count (3,800/mm³): The client's WBC count has dropped significantly from 8,000/mm³ to 3,800/mm³, indicating chemotherapy-induced neutropenia. A low WBC count increases the risk of infection and warrants further assessment and precautions. D. Blood pressure (114/56 mmHg): The blood pressure is within an acceptable range and does not indicate hypotension or other hemodynamic instability. E. Breath sounds (Crackles at lung bases): New crackles at the lung bases suggest a potential respiratory infection (e.g., pneumonia), which is especially concerning in neutropenic clients. The presence of fever and tachypnea (respiratory rate 24/min) further supports possible infection.