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100+ Free CPHON Practice Questions

Pass your Certified Pediatric Hematology Oncology Nurse exam on the first try — instant access, no signup required.

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~75% Pass Rate
100+ Questions
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2026 Statistics

Key Facts: CPHON Exam

~75%

Pass Rate

ONCC

165

Total Questions

125 scored

3 hrs

Time Limit

ONCC

2,000 hrs

Required Experience

Pediatric hem/onc

$300-$420

Exam Fee

ONCC

4 years

Certification Validity

ONCC

The CPHON (Certified Pediatric Hematology Oncology Nurse) exam is administered by ONCC with an approximate 75% pass rate. It consists of 165 multiple-choice questions (125 scored, 40 pretest) over 3 hours. Treatment modalities is the largest domain at 24%. Candidates must hold an active RN license with 2,000 hours of pediatric hematology/oncology nursing experience. The credential is valid for 4 years and is supported by both ONS and APHON (Association of Pediatric Hematology/Oncology Nurses).

About the CPHON Exam

Specialty certification for registered nurses in pediatric hematology and oncology nursing. The CPHON validates expertise in caring for children with cancer and blood disorders, covering treatment modalities, symptom management, developmental considerations, and family-centered care.

Questions

165 scored questions

Time Limit

3 hours

Passing Score

Pass/Fail (scaled)

Exam Fee

$300 (ONS/APHON member) / $420 (non-member) (ONCC)

CPHON Exam Content Outline

14%

Health Promotion and Disease Prevention

Genetic counseling, screening, immunizations, health maintenance in immunocompromised children

18%

Scientific Basis and Pathophysiology

Cancer biology, hematologic disorders, genetics, staging, diagnostic workup

24%

Treatment Modalities

Chemotherapy, radiation, surgery, immunotherapy, transplant, clinical trials

20%

Symptom Management

Pain, nausea/vomiting, mucositis, infection, bleeding, nutrition, fatigue

14%

Psychosocial and End-of-Life

Developmental considerations, coping, palliative care, bereavement, family support

10%

Professional Practice

Evidence-based practice, ethics, education, quality improvement, advocacy

How to Pass the CPHON Exam

What You Need to Know

  • Passing score: Pass/Fail (scaled)
  • Exam length: 165 questions
  • Time limit: 3 hours
  • Exam fee: $300 (ONS/APHON member) / $420 (non-member)

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

CPHON Study Tips from Top Performers

1Focus on treatment modalities (24% of exam) — know chemotherapy classifications, safe handling, and pediatric-specific protocols
2Master symptom management (20%) — understand age-appropriate pain assessment tools and antiemetic protocols for children
3Review developmental milestones and how they affect care delivery, communication, and psychosocial support
4Know common childhood cancers (ALL, neuroblastoma, Wilms tumor, brain tumors) and their staging systems
5Complete at least 100 practice questions before scheduling your exam

Frequently Asked Questions

What is the CPHON exam pass rate?

The CPHON exam has an approximate 75% pass rate. The exam uses a scaled scoring system where 125 of the 165 questions are scored (40 are unscored pretest items). With dedicated preparation using practice questions and hands-on pediatric oncology experience, most well-prepared candidates pass on their first attempt.

What are the CPHON eligibility requirements?

To sit for the CPHON exam, you need: 1) A current, active, unencumbered RN license. 2) A minimum of 2,000 hours of pediatric hematology/oncology nursing practice within the last 4 years. 3) At least 10 contact hours of continuing education in pediatric hematology/oncology nursing within the last 4 years.

How hard is the CPHON exam?

The CPHON is an advanced specialty certification. Treatment modalities (24% of the exam) is typically the most challenging domain, covering chemotherapy protocols, radiation therapy, immunotherapy, and transplant for pediatric patients. With 60-100 hours of study over 8-12 weeks, experienced pediatric hem/onc nurses are well-prepared.

What content domains are on the CPHON exam?

The CPHON covers 6 domains: Health Promotion and Disease Prevention (14%), Scientific Basis and Pathophysiology (18%), Treatment Modalities (24%), Symptom Management (20%), Psychosocial and End-of-Life (14%), and Professional Practice (10%). Treatment modalities is the largest section covering chemotherapy, radiation, and immunotherapy.

How should I study for the CPHON exam?

Plan for 60-100 hours of study over 8-12 weeks. Focus heavily on treatment modalities (24%) and symptom management (20%). Use the ONCC test content outline as your study framework. Review pediatric-specific drug protocols, age-appropriate dosing, and developmental considerations. Complete at least 100 practice questions and score 80%+ consistently before scheduling.