8Have you made a career decision to becoming a CNA? Have you struggled trying to pass your CNA board exam? This study guide will give you the practice that you need. This study guide is over 100 pages and includes a practice exam to give you the testing experience. book can help you the detailed step by step to help you complete and improve your score. In The CNA Study Guide 2019 2020 will help you with all the checkpoints you need to know., and everything the examiner is looking for.