HESI A2 Biology: Your Ultimate Guide to Crushing the Exam

| Published date

Last Updated

So you’re gearing up to take the HESI A2 entrance exam, and biology is one of the sections that’s got you sweating. Don’t worry, you’re not alone. This comprehensive exam is designed to test your knowledge across a range of topics, and biology can be one of the trickiest. But hey, that’s why we’re here—to break it down and give you a clearer picture of what to expect.

What is the HESI A2 Biology Section?

The HESI A2 exam is a critical part of the application process for many nursing and healthcare programs. The biology section, in particular, is designed to assess your understanding of fundamental biological concepts. It covers a wide range of topics, including:

  • Cell Structure and Function: This is the nuts and bolts of biology. You’ll need to know about organelles, cell membranes, and how cells operate.
  • Genetics: Be ready to dive into DNA, RNA, genes, and the basics of heredity.
  • Evolution and Natural Selection: This might sound philosophical, but it’s all about how species change over time.
  • Ecology: Think ecosystems, food chains, and how living organisms interact with their environment.
  • Human Biology: This includes human body systems like the respiratory, cardiovascular, and digestive systems.

Common Questions About the HESI A2 Biology Section

Here are some questions we often get from students preparing for the HESI A2 biology section:

1. How many questions are on the HESI A2 biology section? The biology section typically contains 25 questions. However, these numbers can vary slightly, so it’s best to check with your specific testing center or program requirements.

2. What’s the best way to study for the biology section? Focus on the core topics mentioned above. Use study guides, flashcards, and practice exams. But don’t just memorize facts—understand the concepts. A good study guide, like the one we’ve created, breaks down each topic and provides ample practice questions to help reinforce your knowledge.

4. What kind of questions are asked? Expect a mix of multiple-choice questions and fill-in-the-blank questions. Some questions might involve diagrams or basic calculations, especially in genetics.

How to Ace the HESI A2 Biology Section

Here are some tips to help you succeed:

  • Understand the Basics: Make sure you have a solid grasp of fundamental biology concepts. If there’s something you don’t understand, take the time to review it.
  • Practice, Practice, Practice: The more questions you answer, the more comfortable you’ll be on exam day. Our HESI A2 biology study guide is packed with practice questions to help you prepare.
  • Focus on Weaknesses: If there’s a topic that you’re struggling with, give it extra attention. Don’t be afraid to ask for help or look for additional resources.
  • Stay Calm and Confident: On exam day, take a deep breath and trust in your preparation. You’ve got this.

And if you want a resource that covers all the test topics in depth, including a ton of practice questions, check out our HESI A2 biology study guide. It’s designed to give you the edge you need to pass the exam with flying colors.

Good luck, and happy studying!

Top Picks

Our Top Study Guides

Thousands of students trust us to guide them through their exam prep. Here are our best-selling study guides, each designed to help you succeed with expert insights, practice questions, and effective strategies.

Knowledge Center

Latest Article & Blog

Stay informed and sharpen your skills with our expert blog posts. From study tips to exam insights, we provide the knowledge you need to stay ahead of the curve.

  • HESI A2 Math Tips: 21 Strategies to Solve Questions Faster and Improve Your Score

    HESI A2 Math Tips: 21 Strategies to Solve Questions Faster and Improve Your Score

    HESI A2 Math Tips: Learn 21 proven strategies to solve questions faster, avoid common mistakes, master conversions, ratios, percentages, and improve your HESI A2 Math score with confidence.

    Read more →

  • HESI A2 Anatomy and Physiology Tips: 25 Study Strategies That Actually Work

    HESI A2 Anatomy and Physiology Tips: 25 Study Strategies That Actually Work

    HESI A2 Anatomy and Physiology Tips: Learn 25 proven study strategies, high-yield topics, and exam techniques to improve your score with structured practice, guides, and test-taking strategies.

    Read more →

  • HESI A2 Study Tips: 15 Proven Strategies to Improve Your Score and Pass With Confidence

    HESI A2 Study Tips: 15 Proven Strategies to Improve Your Score and Pass With Confidence

    Discover 15 proven HESI A2 study tips to improve your score, strengthen weak areas, and prepare more effectively with expert strategies, practice tests, and study guides.

    Read more →

  • What Happens If You Fail the HESI A2? Your Next Steps and How to Come Back Stronger

    What Happens If You Fail the HESI A2? Your Next Steps and How to Come Back Stronger

    What happens if you fail the HESI A2? Learn what to do next, how retakes work, common reasons students fail, and proven strategies to improve your score on your next attempt.

    Read more →

  • Can You Use a Calculator on the HESI A2? What Every Student Needs to Know

    Can You Use a Calculator on the HESI A2? What Every Student Needs to Know

    Can you use a calculator on the HESI A2? Learn the calculator rules, common math topics, study tips, and proven strategies to improve your HESI A2 Math score with confidence

    Read more →

  • How Long Should You Study for the HESI A2? A Realistic Study Plan That Works

    How Long Should You Study for the HESI A2? A Realistic Study Plan That Works

    How long should you study for the HESI A2? Discover realistic study timelines, a proven 6-week study plan, expert tips, free practice tests, and study resources to help you pass with confidence.

    Read more →

Need a Test Bank?

SPIN TO WIN Discounts for Study Guides Purchase!

  • Try your lucky to get discount coupon
  • 1 spin per email
  • No cheating
Try Your Lucky
Never
Remind later
No thanks