Certified Pediatric Hematology Oncology Nurse (CPHON) 2025 – 400 Free Practice Questions to Pass the Exam

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What is the definition of neutropenia?

ANC greater than 1500 cells/mm3

ANC less than 1000 cells/mm3

ANC less than 1500 cells/mm3

Neutropenia is defined as a condition in which the absolute neutrophil count (ANC) falls below a certain threshold, indicating that the body has fewer neutrophils than normal. In clinical practice, neutropenia is typically categorized based on ANC levels, with a count of less than 1500 cells/mm³ being the standard definition for neutropenia in pediatric patients.

Neutrophils are crucial white blood cells that help the body fight off infections. When the ANC is below 1500 cells/mm³, the risk for infection increases significantly, which is why this threshold is important for healthcare providers to monitor.

Understanding this definition is critical for nurses and other healthcare professionals working in pediatric hematology and oncology, as they must evaluate patients who may be at risk for infection due to low ANC levels, manage their care effectively, and implement appropriate interventions.

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ANC equal to or greater than 2000 cells/mm3

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