The most up-to-date study guide for CCRN board certification Prepare for the CCRN exam with the most up-to-date study guide available. CCRN Review offers hundreds of review questions that target the test's most important question types, and includes four full-length practice tests. Organized to help you make the most of your study time, it covers all of the fundamental concepts tested on the exam. You will find strategies for handling questions based on real-world patient scenarios, help with essential math concepts, and extensive tips for performing your best on exam day. CCRN Review will help get you exam-day ready with: