CNA Exam Prep -The Certified Nursing Assistant Examination - 600+ questions for your preparation to CNA Exam in the United States. With many advanced features, the app helps you learn quickly and efficiently to pass the exam. This app has following features; 1) High-quality questions that are up-to-date with the most current exams 2) Friendly design with a minimum number of buttons and steps 3) Many questions are compiled from real exams 4) Hard questions are automatically filtered into one group so that you can review those questions comfortably 5) Mock-up Test simulates the real exam with time constraint The Certified Nursing Assistant Examination is divided into two sections, the written examination (WE) and a clinical skills test (CST). You must successfully pass both sections to earn your CNA certification. In most areas you must pass the WE with a 70% or higher.