OCN Oncology Certified Nurse Study Guide 2026–2027 | 200 Practice Questions

Prepare for the ONCC Oncology Certified Nurse (OCN®) exam with a complete study guide organized around the six domains of the current ONCC Test Content Outline: Care Continuum, Oncology Nursing Practice, Treatment Modalities, Symptom Management and Palliative Care, Oncologic Emergencies, and Psychosocial Dimensions of Care. Each chapter condenses what the exam tests into clear explanations, quick-reference tables, labeled diagrams, and a "What to Remember for the Exam" summary.

This 160-page digital guide pairs a focused content review with two 100-question practice tests of scenario-based, exam-level questions, so you can practice the "what should the nurse do FIRST?" judgment the exam rewards in chemotherapy, immunotherapy, emergency, symptom-management, and survivorship situations.

What's Inside

• An overview of the current exam: 165 questions (145 scored, 20 pretest) in 3 hours, the six domains and their weights (19/17/19/21/12/12%), eligibility, fees, the scaled passing score of 55, DoubleTake retesting, and renewal
• Care Continuum: prevention, risk factors, current screening recommendations, hereditary cancer syndromes and genetic referral, navigation, advance care planning, survivorship, late effects, and end-of-life care
• Oncology Nursing Practice: carcinogenesis, the cell cycle, immunology, tumor markers and biomarkers, clinical trial phases, TNM staging and grading, performance status, site-specific cancers, and scope, standards, ethics, and quality
• Treatment Modalities: surgery, radiation, chemotherapy classes and safe handling, biotherapy, checkpoint inhibitors, CAR T-cell therapy, targeted therapy, blood and marrow transplant, and vascular access devices
• Symptom Management and Palliative Care: pain and the WHO ladder, neutropenia and ANC calculation, anemia, thrombocytopenia, nausea and vomiting, mucositis, diarrhea, cardiopulmonary and renal toxicities, neuropathy, fatigue, lymphedema, ostomy care, and integrative therapies
• Oncologic Emergencies: all 16 outline emergencies, including tumor lysis syndrome, hypercalcemia, SIADH, sepsis, DIC, spinal cord compression, SVC syndrome, tamponade, extravasation, anaphylaxis, and immune-related adverse events
• Psychosocial Dimensions of Care: distress screening, depression and anxiety, crisis management, coping and family dynamics, culture and spirituality, financial concerns, body image, patient education, sexuality, and fertility preservation
• 4-, 8-, and 12-week study schedules, FAQs, test-taking strategies, and recommended resources
• 2 practice tests (200 questions) weighted like the exam's six domains, with a separate answer key explaining every answer

Format

• Instant digital download (PDF), 8.5 × 11 in
• Clickable table of contents
• Print it or study on a tablet, laptop, or phone

Please note: This is a digital product. No physical item will be shipped.

OCN® is a registered trademark of the Oncology Nursing Certification Corporation (ONCC). Test Treasure Publication is not affiliated with or endorsed by ONCC or any testing organization; all exam and organization names referenced are trademarks of their respective owners.