Prepare for success on the OCN® Exam with the definitive Q&A review from the Oncology Nursing Society (ONS)! Based on the latest test blueprint for the OCN® Exam, this study guide is the only question-and-answer review developed in collaboration with ONS. Chapters correspond to the chapters in the Core Curriculum for Oncology Nursing, 7th Edition, and practice questions match the format and Test Plan for the OCN® Exam. Detailed rationales are provided for both correct and incorrect answers, reinforcing your understanding of oncology nursing. A new companion Evolve website includes all of the Study Guide content in a fully interactive quizzing engine that simulates an actual OCN® Exam in either Study Mode (with immediate question feedback) or Exam Mode (with feedback only at the end of the simulated exam). Choose the definitive Q&A study resource for OCN® certification!