The HESI A2 consists of 8 separate test areas. Those test areas include mathematics, reading comprehension, vocabulary, grammar, biology, chemistry, anatomy and physiology, and physics. The school you are applying to will tell you which of these 8 test areas you will need to take.
Consisting of 170 multiple-choice questions with four-option answers, in four separate timed sections in reading, English and language usage, math, and science. The TEAS exam is administered in a standardized environment and is overseen by a proctor.