1 Even if you are taking an MPRE course, it does not hurt to try a variety of questions (including released MPRE questions!)  MPRE Tip: Become familiar with Key Words and Phrases on the MPRE: This post gives you an overview of how you can avoid making mistakes by paying careful attention to the call of the question.
There is an exam that is also required in order to become certified. Once the education and certification requirements have been satisfied, one must register with the Medicare and Medicaid services board. This is how a CNA becomes eligible to take on independent clients.
Some CNA training programs result in college credit. Most do not. Check to see whether the program you want to attend offers college credit and whether that credit will transfer to the nursing school you plan to attend. Bureau of Labor Statistics: Occupational Employment and Wages, May 2011 29-1111 Registered Nurses.