Free NCLEX RN Exam Practice Question
The nurse is caring for a client with a diagnosis of rheumatoid arthritis who is receiving methotrexate. Which laboratory value would be most concerning?
Correct Answer: A
Rationale: Methotrexate can cause bone marrow suppression. A WBC of 4,000/mm3 (A) indicates leukopenia, increasing infection risk, and is most concerning. Platelets (B), hemoglobin (C), and creatinine (D) are within normal limits.
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