CNA Practice Test | Make sure you are ready for the CNA Certification exam by taking a look at some free CNA practice tests online. CNA Practice Test #2 This is the second test in a series of CNA practice tests that will help the Certified Nursing Assistant candidate to pass their CNA. Want to get licensed as a CNA ? Then, learn what is the state CNA certification exam. Subjects & Nursing Skills essential to pass Clinical & Written tests. Med-Care Training Sample Questions and Tips for the CNA State Exam.