Congratulations on taking a step toward becoming certified Ace the CCRN(R) You Can Do It Practice Review Questions book was designed to challenge your knowledge using practice questions following AACN's test blueprint for the CCRN(R) examination. The book contains 450 practice questions and provides rationales for each of the questions. There is a study guide that accompanies this book. Consider using Ace the CCRN(R) You Can Do it Study Guide to assist.