Prepare for success on respiratory therapy certification exams Updated to reflect the 2009 National Board of Respiratory Care (NBRC) content outlines, this edition helps you review for both entry and advanced level certification exams. It covers every testable subject, providing content review, self-assessment questions, and study hints. A companion CD offers pre- and post-testing with realistic practice for the entry-level certification exam and the advanced-level Written Registry Exam (WRE) and Clinical Simulation Exam (CSE).