HESI A2 Biology exam-day guide
HESI A2 Biology · Prepare for the day ahead.
Your checklist
Government-issued photo ID
Bring the original, unexpired ID in the name you registered under. Test centers commonly accept a driver's license or passport, but the exact accepted forms and whether a secondary ID is required vary by site, so confirm with the provider.
Your admission or scheduling confirmation
Have your appointment confirmation, registration number, and the test center address and phone number available, either printed or on your phone. Confirm the exact arrival time and reporting window with the provider, since policies differ by site.
Confirmed test-center logistics
Know the building, entrance, parking or transit plan, and how long security check-in takes. Many centers advise arriving 15 to 30 minutes early; confirm the required arrival time with the provider rather than assuming.
Allowed-items list checked
Ask the provider what you may bring into the testing room. Personal items such as phones, smartwatches, notes, and bags are almost always stored outside the room or prohibited, but the specific rules are site-specific, so confirm with the provider.
Calculator and scratch-paper policy confirmed
Do not assume a calculator, scratch paper, or pencil is provided or permitted. The HESI A2 Biology section is generally completed without a calculator, but confirm the current policy for your administration with the provider.
Biology content review completed
Focus your last review on high-yield topics: cell structure and organelles, the plasma membrane and transport, mitosis versus meiosis, DNA structure and replication, transcription and translation, Mendelian genetics and Punnett squares, and basic ecology and metabolism. These recur across most biology sections.
Practice with timing
Do at least one timed set of biology questions so you know your pace. The number of biology items and the time allowed can change between administrations, so confirm the current section length and time limit with the provider and practice to that figure.
Sleep and food plan
Protect sleep for the two nights before the test and plan a normal meal and hydration. Avoid a heavy, unfamiliar meal or large caffeine dose on test morning if you are not used to it.
Backup plan for the morning
Arrange a backup ride, set two alarms, and identify the provider's contact channel for lateness or emergencies. Ask in advance how a late arrival or reschedule is handled; do not assume you will be admitted after the reporting window.
Scoring and retake questions answered
Know how your score is reported, whether a minimum biology score is required by your program, and how retakes work. These rules are set by the school and the provider, so confirm them with the provider before test day.
Plan the day
Stop learning new material. Review one-page summaries of organelles and their functions, membrane transport types, the stages of mitosis and meiosis with chromosome counts, DNA and RNA base pairing, the central dogma, and Mendelian ratios. Redo missed practice questions and write a short list of the concepts you keep missing, then review only that list.
Confirm logistics in writing: test-center address, arrival time, ID requirements, permitted items, and the current biology section length and time limit. Ask the provider directly about anything unclear rather than relying on forums or older test-taker accounts.
Do one timed biology practice set under test-like conditions, no notes and no phone. Review every wrong answer and classify each error as a knowledge gap or a careless misread, because the fix differs.
Light review only: skim your summary sheet and the error list for 30 to 60 minutes, then stop. Pack your ID, confirmation, and any permitted items in one place. Charge your phone, set two alarms, and check the route and weather.
Eat a normal dinner, avoid alcohol and heavy caffeine late in the day, and go to bed at your usual time. Do not start a new topic or a marathon cram session the night before.
Eat a normal breakfast, drink water, and leave earlier than the map suggests to absorb traffic or transit delays. Bring only permitted items and leave valuables at home. Arrive within the reporting window the provider specified.
Skip last-minute cramming in the waiting area if it makes you anxious. A brief glance at your one-page summary is fine; new material at this point tends to increase stress more than it raises scores.
Read each biology question fully and identify exactly what is being asked, since many items hinge on one word such as except, not, or most likely. Answer confidently known items first and flag uncertain ones if the platform allows review.
For calculation or genetics items, work step by step on permitted scratch material only, and check units and ratios before selecting. If a question stalls you, choose your best answer, mark it if possible, and move on so you protect time for the rest of the section.
Watch the clock at natural checkpoints, roughly a quarter and halfway through, and adjust pace. If you finish early, revisit flagged items and confirm you have answered every question before submitting.
Rules to check
Bring valid, unexpired government-issued photo ID matching your registration name. Accepted forms and any secondary-ID requirement vary by site, so confirm with the provider before test day.
Follow the provider's rules on personal items. Phones, smartwatches, notes, and bags are typically not allowed in the testing room and may need to be stored; the exact policy is site-specific, so confirm with the provider.
Arrive within the reporting window the provider gives you. Late arrival may mean you are turned away or asked to reschedule, and the specific grace period and fee policy must be confirmed with the provider.
Use only approved materials during the test. Do not assume a calculator, scratch paper, or reference sheet is allowed; ask the provider what is permitted for the biology section.
Breaks are governed by the provider and the test platform. Ask in advance whether scheduled or unscheduled breaks are allowed, whether the clock stops, and what you may access during a break, rather than assuming.
Scores and any minimum biology requirement are set by the provider and your program. Confirm how and when results are reported and whether your program requires a specific minimum score.
Retake and reschedule policies, including any waiting period or fee, are provider-specific. Confirm these rules with the provider before test day so you understand your options if needed.
Report any technical problem, interruption, or suspected testing irregularity to the proctor immediately. Do not attempt to resolve it yourself or continue past an unresolved issue without informing staff.