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HESI Biology Practice Tests & Test Prep by Exam Edge - Features



** Sample images, content may not apply to your exam **

Ready to start preparing for the HESI Biology exam? Start with an Exam Edge practice test. Our practice exams come with a variety of features to help you get the most out of your exam prep like:

  • Instant access to your online practice exams
  • Unlimited Test Access - available 24/7
  • Timed, untimed, and "study guide" modes
  • Detailed explanations for each question
  • 20 online practice exams
  • 1,000 unique questions, if you purchase all 20 exams
Read on and check out all the functions that make our HESI Biology practice tests a critical tool for your test prep.

Not ready to purchase our complete practice tests yet? Start with a HESI Biology FREE Practice Test first!

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Features of Exam Edge HESI Biology Practice Tests

Our HESI Biology practice tests offer the following features to give you a comprehensive and customizable exam prep experience:


Accessible HESI Biology Practice Tests

  • Instant online practice tests: Because our practice exams are web-based, there is no need to wait for software to download or physical supplies to arrive in the mail. Once you purchase a bundle of practice tests, you can start using them immediately!
  • Unlimited test access: Our practice tests never expire. You can revisit each test as much as you would like in order to review the questions and answers.
  • Available 24/7: You can pause and resume our practice tests to suit your schedule, at any time of day. Start a practice test in the morning, pause it at noon, and pick it back up at midnight!
  • Access your test from any device: Our practice tests are available across multiple devices. As long as you have an internet connection, you can start a practice test on your desktop computer and continue it on your laptop, tablet, or smartphone for on-the-go flexibility.
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Realistic HESI Biology Practice Exam Questions

  • 50 multiple choice unique questions per exam: Each practice test is unique and matches the length of the real HESI Biology exam so you can practice time management and learn how to maintain focus for the duration of the test.
  • 20 online practice exams: Select our largest test bundle for the ultimate HESI Biology test prep package - 20 practice tests each test contains 50 unique questions that's 1,000 unique questions to make you incredibly ready for test day.

Helpful HESI Biology Study Guides

  • Detailed explanations for each question: Each HESI Biology practice test question comes with explanations for both correct and incorrect answers to help you understand and learn from your mistakes.
  • Repeated attempts on each practice test: You can take each unique practice test up to 4 times to strengthen your recall, hone your pacing, and build your test-taking stamina.

How HESI Biology Practice Tests Work

Our unique HESI Biology practice test environment is the closest thing you will find to the actual test, with one exception: we tell you which questions you answered correctly and which you answered incorrectly. And most importantly, we explain why! Our practice test questions give you step-by-step explanations in an easy-to-understand format. This opportunity to understand the practice exam questions and review your answers in depth will bolster your test prep and get you ready for success on test day.

** Sample images, content may not apply to your exam **

We also know that everyone likes to study differently, so we offer three different ways to use your HESI Biology practice exams:

  • Timed HESI Biology Practice Test Mode: Timed tests are just like the HESI Biology exam. Our system sets the test time to the same time limit, or time limit per question, that you will experience with the actual exam on test day. This is a great method of practicing your pacing, especially if you're concerned about completing your exam within the time limit.

  • Untimed HESI Biology Practice Test Mode: With this option, you can take your time and thoroughly consider each question before answering. This rush-free mode is recommended for those dipping their toes into exam prep or just starting on their journey to take the HESI Biology. It is a great way to test your knowledge with no time limit and highlight blind spots you will need to come back to in your studies - one of the many advantages of taking HESI Biology practice exams with Exam Edge!

  • HESI Biology Study Guide Mode: Not sure where to even begin with your studying? Try a practice test in explanation mode. The questions act as a study guide, giving you the option to see the answers as you take the test. Study guide mode is an effective way to review the HESI Biology exam subject matter before you take the exam in a timed format. We recommend taking a practice test in explanation mode and taking thorough notes as the best method for beginning your test prep.

Test Prep Beyond HESI Biology Practice Exam Questions

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Learn how to solve the entire test-taking puzzle with Exam Edge's HESI Biology practice tests! Such exams don't just measure what you know -- they are also a test of how well you perform under pressure. The right type of test preparation helps you familiarize yourself not only with the material you are being tested on but also the format of the test, to help you beat test-taking anxiety. That is the kind of valuable experience you will get with our practice tests and exam prep so you can walk into your exam as prepared as possible and feel ready to pass your HESI Biology exam.

HESI Biology - Features Sample Questions

 Of the following, which is able to diffuse through a cell membrane?

Correct Answer:
 a cholesterol molecule


to understand why a cholesterol molecule can diffuse through a cell membrane while other substances like nucleotides, carbohydrates, and ions cannot, we need to consider the structure and properties of both the cell membrane and the substances in question. the cell membrane, primarily composed of a phospholipid bilayer, acts as a selective barrier to the passage of substances in and out of the cell.

phospholipids, the major constituents of the cell membrane, have a hydrophilic (water-attracting) head and a hydrophobic (water-repelling) tail. this arrangement creates a bilayer where the hydrophobic tails face inward, shielded from water, while the hydrophilic heads face outward towards the aqueous environments inside and outside the cell. this structure is crucial in determining what can pass through the membrane directly by simple diffusion.

cholesterol, a lipid molecule, is predominantly hydrophobic with a small hydrophilic component. due to its largely hydrophobic nature, cholesterol can interact favorably with the hydrophobic tails of the phospholipids in the cell membrane. this compatibility allows cholesterol to diffuse through the membrane relatively easily, moving between the phospholipid molecules without requiring special transport mechanisms.

in contrast, nucleotides and carbohydrates are generally hydrophilic. nucleotides, the building blocks of dna and rna, are charged molecules due to their phosphate groups. similarly, most carbohydrates are polar due to their numerous hydroxyl (oh) groups. these hydrophilic properties make it difficult for nucleotides and carbohydrates to cross the hydrophobic core of the lipid bilayer directly by simple diffusion.

ions, being charged particles, are also inherently hydrophilic and are repelled by the hydrophobic interior of the cell membrane. the passage of ions through the cell membrane typically requires specific transport proteins, such as ion channels or pumps, which help them cross the membrane despite their inability to diffuse directly through the lipid bilayer.

in summary, the ability of a cholesterol molecule to diffuse through a cell membrane while other substances like nucleotides, carbohydrates, and ions cannot, is largely based on the hydrophobic or hydrophilic nature of these molecules relative to the hydrophobic core of the membrane's phospholipid bilayer.
Digital Flashcards

Are you looking to boost your HESI Biology exam preparation? Add a pack of digital flashcards to your study routine. Flashcards offer a unique way to enhance your understanding of the material in several ways:

  • Enhanced Retention: Flashcards reinforce learning from practice tests through active recall and spaced repetition, which improves memory retention.
  • Flexibility: You can use them anytime, anywhere, when you have limited time, and when you cannot complete a practice test.
  • Immediate Feedback: Instant feedback on flashcards helps quickly identify and focus on improvement areas.

Using digital flashcards with practice tests offers you the best chance at passing your HESI Biology exam by improving your understanding and retention.

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HESI Biology Study Guide


Exam Edge Study Guide overview

HESI Biology Study Guides are available to anyone purchasing a test bundle of 10 or more practice tests.

Here is a summary of the information included in the HESI Biology Study Guides:

  • Strategies for Passing Multiple Choice Tests: Understanding the exam format and structure is essential to taking an exam. You can follow these tips to better approach a multiple-choice exam.
  • Comprehensive Study Tips: Preparing for your certification exam can be daunting. These study tips provide you with a road map to making your study time as efficient as possible.
  • Exam Domains: Having an early grasp on what is on the HESI Biology certification exam is critical. It helps you plan what you need to study to be sure you are ready for your exam.
  • Beating Stress: Dealing with exam stress can be very difficult and severely affect your exam performance. Here are some strategies to help you combat that stress.
  • Review Key Terms: Reviewing key terms and concepts that will be vital to passing your exam.
  • Build a Study Schedule: Managing how to study for the exam can be as stressful as taking the actual exam. Follow the study schedule to maximize your preparation.

We continuously strive to provide resources that empower you to achieve your academic goals. Our Practice Tests, Digital Flash Cards, and Study Guides have been expertly crafted to support a wide range of subjects, and are tailored to foster a deeper understanding and retention of key concepts required to pass your HESI Biology certification exam. Using all three of these will ensure you master the skills you need to pass your certification exam.