by Ascencia Phlebotomy Exam Prep Team (Author) You might think this is just another study guide. However, our healthcare test prep isn't like other study guides. Because Ascencia Test Prep's unofficial NHA Phlebotomy Exam Study Guide: Test Prep and Practice Questions for the National Healthcareer Association Certified Phlebotomy Technician Exam offers you examples, graphics, and information, you'll benefit from a quick yet total review of everything on the exam Imagine having your test prep materials on your phone or tablet Ascencia Test Prep's NHA Phlebotomy Exam Study Guide comes with FREE practice questions, online flash cards, study "cheat" sheets, and 35 test tips, all available online.