The client with rheumatoid arthritis has been taking methotrexate, a diseasemodifying antirheumatic drug (DMARD), for 2 weeks. Which laboratory data warrants intervention by the nurse? 1. A serum...

The client with rheumatoid arthritis has been taking methotrexate, a diseasemodifying antirheumatic drug (DMARD), for 2 weeks. Which laboratory data warrants intervention by the nurse?

1. A serum creatinine level of 0.9 mg/dL.

2. A red blood cell count of 2.5 million/mm.

3. A white blood cell count of 9000 mm.

4. A hemoglobin of 14.5 g/dL and hematocrit of 43%