I have not heard from anyone who has taken the exam, so I am giving this information based on what I know about the exam. My understanding is that it is a review of Texas Board of Nursing laws, regulations, guidelines and policies. You are allowed to read these resources while taking the online exam since it is an open book exam. The Board has set up a handy resource list to help in finding the answers to questions. They have given students 2 hours to answer 50 questions.