ard becoming certified! Updated in 2021, Ace the CCRN(R)! You Can Do It! Practice Review Questions book was purposley written to challenge your knowledge using practice questions following AACN's test plan for the CCRN(R) examination. The book contains 450 practice questions and provides rationales for each of the questions. There is a study guide with the newly updated 2020 test plan that accompanies this book. Consider using the Ace the CCRN(R)! You Can Do it! Study Guide to assist.