The HESI-A2 is designed specifically to assess a student's preparedness entering the health science fields. The HESI-A2 test is comprised of 250 questions. Questions are designed to test the basic academic skills you will need to perform in class in the five areas of: Reading Comprehension, Math, Anatomy & Physiology, Grammar and Vocabulary, and General Knowledge. (Veterinary Technician Selective Admission applicants select HESI-8001 HESI-A2V.)