Trust the Most Advanced USMLE® Step 1 Qbank

2,200+ USMLE Step 1 questions with in-depth video & text rationales, First Aid® references and performance tracking

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The all-in-one Qbank for your USMLE® Step 1 preparation

Integrated high-yield video lectures & up-to-date First Aid® references for all NBME®-style questions


Take & review your Qbank test

Read in-depth explanations and view high-quality illustrations for correct and incorrect answers.


Check the First Aid® references

Use the specific First Aid® page references of each question to review high-yield facts.


Adaptive review with video lessons

Effectively review the questions’ concepts with integrated video lectures held by USMLE® experts.


Track your performance

Monitor your exam readiness with a learning platform that continuously analyzes your Qbank performance.

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“Lecturio transformed my USMLE Step 1 preparation. The high-yield video lectures made complex topics clear, while the powerful Qbank reinforced my learning. With Lecturio's personalized study schedules, I efficiently covered all the material and passed my exam with confidence. Lecturio made all the difference!”
Testimonial sarah2
Medical Student, University of Pittsburgh

Test our advanced USMLE® Step 1 Qbank for free

A 40-year-old woman is brought to the emergency department by a paramedic team from the scene of a motor vehicle accident. The patient was the vehicle driver at the time of the accident and was restrained by a seat-belt, and was unconscious at the scene. Physical examination reveals multiple injuries involving the trunk and extremities. However, there are no penetrating injuries to the chest. As part of her trauma workup, a CT scan of the chest is ordered. At what vertebral level of the thorax is this image most likely from?

  • T4
  • T1
  • T5
  • T6
  • T8
25813 anatomy
Image by Mikael Häggström, License: CC0

A 3-year-old boy goes camping with his parents in the Appalachian mountains of Western North Carolina. While on the hiking trip, he is exposed to an antigen. After the exposure, this antigen is phagocytosed by an antigen-presenting cell (APC), which then travels to a lymph node and presents a peptide via MHC class II to a CD4+ T helper cell. This CD4+ T helper cell then stimulates a B cell, which proliferates and differentiates to produce antibodies to target the antigen. In which of the following numbered sections of the lymph node does this B cell differentiation and proliferation most likely occur?

  • 1
  • 2
  • 3
  • 4
  • 5
22097 histology new
Image: by Gleiberg, License: CC BY-SA 2.0 DE

A 32-year-old woman comes to the office for a regular health check-up. She does not have any complaints and mentions that she has started to train for an upcoming marathon and hydrates exclusively with electrolyte solutions, as well as taking “electrolyte supplements” given to her by another marathoner. Family history is significant for hypertension in both of her parents. Her father died of a myocardial infarction a few years ago. The vital signs include heart rate 55/min, respiratory rate 16/min, temperature 37.6°C (99.6°F), and blood pressure 120/88 mm Hg. The physical exam findings are within normal limits. A routine electrocardiogram (ECG) is shown. The abnormal waves seen in the precordial leads of the ECG tracing represents which of the following mechanical events?

  • Ventricular depolarization
  • Period between ventricular depolarization and repolarization
  • Ventricular repolarization
  • Atrial depolarization
  • Atrial repolarization
7547 physiology new 1
Image: by Lecturio

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Free USMLE® Step 1 Questions by Subjects


A Qbank, short for “question bank,” is a database of practice questions used as a study tool to prepare for exams. A Qbank for the USMLE (United States Medical Licensing Examination) or “USMLE Step 1 question bank” will contain a multitude of questions that are similar in content and structure to those that will be on the actual exam, allowing students to practice under conditions that mirror the actual test. 

Using a Qbank is essential for USMLE Step 1 preparation because it offers a comprehensive, realistic, and interactive way to study, reinforcing your knowledge, exposing weak areas, and acclimating you to the exam’s format and timing.

Here’s why you should study with a Qbank:

  1. Review content: Qbanks let you review all USMLE topics in an interdisciplinary manner similar to the actual exam.
  2. Apply your knowledge: Qbanks not only test your knowledge, but also how to apply it to clinical scenarios, much like you’ll be required to do on the USMLE Step 1.
  3. Understand the exam format: Qbanks help you become familiar with the USMLE question-style, enabling you to approach questions more efficiently during the actual exam.
  4. Identify weaknesses: By tracking your performance in a Qbank, you can identify which areas you need to focus your study on.
  5. Build stamina: The USMLE Step 1 is a long exam, and practicing with Qbanks can help build the mental endurance needed to maintain focus and performance throughout the exam.
  6. Get immediate feedback and explanations: After each question, you’ll get immediate feedback, including a detailed explanation of the correct answer. 
  7. Improve time management: With timed practice tests, you can develop an effective pace to ensure you can answer all questions in the allotted time.

The Lecturio Qbank allows you to create your own practice test to assess your learning progress and see which subjects you need to focus on, as well as what you need to review in order to prepare for your next exam. All USMLE®-style questions are based on the most recent NBME® standards, but you don’t have to be preparing for the USMLE® for this Qbank to be helpful. It will help you to tackle any exam with full confidence. 

The Lecturio Qbank also utilizes Adaptive Review. This is a feature that enables you to review Lecturio video lessons that are related to specific topics covered in your Qbank test(s). Directly after the test, or by going to your previous tests, you will be able to start your Adaptive Review, either by selecting all Subjects and/or Systems, or by selecting only specific ones.

  1. Sign up: Create your free Lecturio account
  2. Start a test: Create a test block and optionally choose the time limit, number of questions, topics covered, and additional explanations in tutor mode. 
  3. Answer questions
  4. Analyze: Review your performance and dive deeper into topics that need more attention by watching the integrated videos or reading the linked concept pages.  

It’s typically recommended to start using a Qbank once you’ve covered a good portion of the basic sciences in your coursework. This ensures you have sufficient background knowledge to make effective use of the Qbank. 

However, do not wait until your final leg of USMLE Step 1 preparation. Getting used to applying what you have learned in USMLE-style questions early on will ensure you have mastered the approach to the questions by the time you take the exam. 

If you’re consistently scoring low, it might be a sign to revisit certain topics in your study materials. 

  • Identify your weak areas.
  • Dive into in-depth review material like Lecturios video lectures and concept pages to brush up on hard topics. 
  • Return to Qbank questions frequently and retake custom tests about the topics that need more attention.
  • If you need personal guidance, check out Lecturio’s Coach program