Our CNA Practice Test 2024 covers the knowledge and basic nursing skills you will need as a CNA. This is part THREE of our free CNA Practice Tests. Our Certified Nursing Assistant practice tests are based on the NNAAP standards that are used for many of the CNA state tests. There are 25 questions with Explained answers. This CNA practice test (Prometric CNA Written Test) is designed to help you pass your exam on the first try, so you can get started with your career right away!