Chemotherapy Agents and Side Effects · NCLEX Exam

Which lab result is most concerning in a patient receiving cytarabine?

  1. Total bilirubin 1.0 mg/dL
  2. Platelet count 40,000/mm³
  3. Serum calcium 9.2 mg/dL
  4. Serum sodium 136 mEq/L
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Correct answer: Platelet count 40,000/mm³

Cytarabine suppresses bone marrow function; thrombocytopenia increases bleeding risk and warrants prompt intervention.

Difficulty: Medium Question 12 of 20

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