I would definitely say to review the basics of all of the body systems, especially nervous & cardiovascular systems. I remember specific questions regarding bone structure/functions, arteries (subclavian, carotid, etc.), spinal cord attachment, anaerobic respiration, & skin color contributing factors. I would study special senses as well such as vision, hearing, etc. In addition to the Pocket Prep app, I watched Crash Course A&P Videos (VERY helpful) and viewed powerpoints from the Biology Corner link below and took notes!
Anatomy & Physiology
The Ultimate Guide to Scoring High on the HESI A2 Anatomy and Physiology Section | Pocket Prep
HESI A2: ANATOMY AND PHYSIOLOGY Flashcards | Quizlet
Free Nursing Flashcards about HESI-A2 ANATOMY