Book excerpt: Updated to reflect current AACN content on the CCRN certification exam, this review book provides the information nurses need to achieve CCRN certification. It covers all topics found on the exam—from disorders by body system, to multisystem disorders, to professional caring and ethical practice concepts—and includes new appendices on patients with special needs and JCAHO pain management. The book reviews signs and symptoms, key laboratory values, diagnostic tests, and medical and nursing management for scores of problems. Review questions and posttests, answers with rationales, study tips, test-taking strategies, and information on the test plan are also included.