What a HESI A2 Study Guide Actually Looks Like in Practice

A Hesi Exam Cheat Sheet is basically a condensed review document for the HESI A2 entrance exam. The exam covers six sections: Reading Comprehension, Vocabulary, Grammar, Math, Biology, Chemistry, Anatomy & Physiology. The cheat sheet is a one- or two-page reference you create (or buy) that lists the facts you will inevitably forget under time pressure. I made mine during my second semester of prerequisites. I printed it double-sided and carried it everywhere. Not during the exam, obviously. During the two weeks before the exam, while I was doing practice sets. That was the whole point — burn it into my head through repetition until the reference wasn't needed anymore. Here is what actually belongs on it and why, based on experience rather than theory.

Hesi Exam Cheat Sheet: What to Include

The math section does not allow calculators. This is the single most stressful part for people who have been out of math for a while. Your cheat sheet needs a conversion table. Gallons to liters. Pounds to kilograms. Celsius to Fahrenheit. Meters to centimeters to millimeters. You will need to convert units inside word problems, sometimes twice in one question. If you stop to derive the conversion every time, you are going to run out of time. The average pacing on the HESI A2 math section is roughly one question per minute, so every second counts. For biology, focus on the cell and the systems. The exam loves asking you to identify organelles from descriptions — "the powerhouse," "protein synthesis," "lipid metabolism." Know which organelle does what. Mitochondria, ribosome, Golgi apparatus, lysosome, smooth ER, rough ER. Memorize the functions in plain language, not textbook prose. When you are half an hour into a practice test and your brain is foggy, "breaks down waste" is faster to recall than "contains hydrolytic enzymes for intracellular digestion." Chemistry is where people get tripped up. Most prep programs barely cover it, but the HESI A2 does test it. Stoichiometry. Molarity. pH and pOH calculations. Balancing simple equations. Periodic table trends — electronegativity, ionization energy, atomic radius. You do not need to know advanced organic chemistry mechanisms. But you do need to know functional groups: hydroxyl, carboxyl, amino, methyl, phosphate. And you need to know what makes an acid an acid and a base a base in the Arrhenius and Bronsted-Lowry sense.

Grammar and vocabulary are the quiet point-getters. Most students spend all their time on math and science and leave these sections underprepared. The grammar section covers parts of speech, sentence structure, subject-verb agreement, punctuation, and commonly confused words. The vocabulary section gives you a word and four choices — it is mostly contextual. Read widely. Medicine journals, scientific articles, even quality newspapers will expose you to the kind of academic vocabulary this exam uses. Anatomy and physiology is the biggest section by volume. Skeletal system, muscular system, nervous system, endocrine, cardiovascular, respiratory, digestive, urinary, reproductive. For each system, know the major organs, their location, and their primary function. The exam will not ask you to label a diagram, but it will describe a function and ask you to identify the organ or system. "Filters blood and produces urine" — that is the urinary system, specifically the kidneys. Simple, but you have to know it cold.

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HESI A2 FREE Cheat Sheets (Updated for 2026) - HESI A2 Exam Prep
HESI A2 FREE Cheat Sheets (Updated for 2026) - HESI A2 Exam Prep

How to Use It Without Wasting Your Time

Print it. Carry it. Read it while you wait for anything — class, coffee, the bus. Then take a practice test and immediately look up every question you missed. Write the reason you got it wrong on a separate sheet. Is it a knowledge gap? A misread question? A timing issue? The pattern of your mistakes tells you whether the cheat sheet is actually helping or just making you feel productive. Here is a specific problem I ran into. I had the mitotic phases down — prophase, metaphase, anaphase, telophase — but the exam asked a question about the difference between mitosis and meiosis in terms of chromosome number in the resulting cells. I knew the phases but I had not explicitly compared the two processes on my cheat sheet. I added a comparison table the next day. Mitosis: two diploid cells, identical. Meiosis: four haploid cells, genetically unique. This kind of edge-case — knowing something but not the way the exam will test it — is very common. Review your wrong answers and check whether your study material matches the testing angle. Another thing nobody warns you about: the reading comprehension section is longer than it looks. You get a passage and five questions. The passages are academic in tone — biology, psychology, sociology. You do not need to know the subject matter. You need to find the answer in the text. But finding the answer takes time, and if you read the passage slowly and carefully, you will not finish. I learned to read the questions first, then scan the passage for the relevant information. It cut my reading section time roughly in half.

Limitations and What to Do Instead

A cheat sheet is not a substitute for practice tests. It is a supplement. If your only study method is reading a one-page document, you will fail. The HESI A2 tests application, not recall. You can memorize every formula and still not know how to apply it in a word problem. Take at least three full-length practice tests before your actual exam date. The cheat sheet helps you fill the gaps those practice tests reveal. Also, some programs no longer use the old 90-200 scoring scale. They just require a passing score, which varies by school. Check with your program before you spend weeks prepping for a number that might not matter. A score of 75 is generally considered solid for most nursing programs, but verify what your target school actually requires. There is also the issue of outdated materials. The HESI A2 changes its question bank periodically. If you are using a cheat sheet from a textbook published five years ago, some of the emphasis may have shifted. Cross-reference with the official Hendrickson/HESI A2 study guide or a current prep course to make sure your sheet is covering what is actually tested now.

Where to Find One

You can download a Hesi Exam Cheat Sheet from several nursing prep websites. Many are free PDFs. Some are part of paid packages. The free ones tend to be thinner on chemistry and math, which are the harder sections to summarize concisely. If you go the DIY route, which I recommend, spend about two hours building your own. That two hours of effort will teach you more than any downloaded file ever will, because the act of selecting and condensing the information is itself a form of studying. The most useful version I ever saw was a single sheet with colored sections — blue for math conversions, red for biology, green for chemistry, orange for A&P. Color coding helped me switch mental gears faster between subjects during practice sessions. It sounds minor. It wasn't. Good luck. The exam is manageable if you treat it like a system to optimize rather than a mountain to climb.

HESI A2 FREE Cheat Sheets (Updated for 2024) - HESI A2 Exam Prep
HESI A2 FREE Cheat Sheets (Updated for 2024) - HESI A2 Exam Prep