Eligibility to Apply for CNA 1 Initial Certification and Testing You are eligible to take the CNA 1 Examination if you have: Completed an OSBN-approved nursing assistant level-1 training program in the last two years; or Completed an approved nurse aide training program in another state that was at least 75 hours in length (and met OBRA 1987 standards) within the last two years; or Julianna Paradisi, who blogs at…