Board Vitals | STAT!Ref TDS Health This link opens in a new windowPrepare for the National Council of State Boards of Nursing (NCLEX-RN & NCLEX-PN), the American Registry of Radiologic Technologists exam, the National Board of Dental Hygiene Examination, and the Certified Surgical Technologist exam. This online study tool contains the highest quality board review questions from leading medical publishers, research institutions, and practicing clinicians. Students can take practice tests in Study Mode or Test Mode.