Which of the following tests is performed on a client with leukemia before initiation of therapy to evaluate the child's ability to metabolize chemotherapeutic agents?
A. Lumbar puncture
B. Liver function studies
C. Complete blood count (CBC)
D. Peripheral blood smear
Answer: B
Explanation: Liver and kidney function studies are done before initiation of chemotherapy to evaluate the child's ability to metabolize the chemotherapeutic agents. A CBC is performed to assess for anemia and white blood cell count. A peripheral blood smear is done to assess the maturity and morphology of red blood cells. A lumbar puncture is performed to assess for central nervous system infiltration.
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