SynopsisCNA Exam Prep was prepared for nurse assistant students to prepare for the State Board Exam. We make it more simple and easy giving you the best value information to your exam success: Certified Nursing Assistant's Role. Six Principles of Care. Opening and closing Procedure Actions. Twenty-Five (25) Skills CNA Vocabulary Words Practice exam and Answers., CNA Exam Prep was prepared for nurse assistant students to prepare for the State Board Exam.We make it more simple and easy giving you the best value information to your exam success :Certified Nursing Assistant's Role.Six Principles of Care.Opening and closing Procedure Actions.Twenty-Five (25) SkillsCNA Vocabulary WordsPractice exam and Answers.