USMLE Step 1 Question Bank

Practise here. Score on exam day.

Exam-style USMLE Step 1 questions that explain every clue in the stem, track your weakest topics, and turn them into your strongest.

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Free: 10 questions every day · No card · Ready in under a minute

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Exam Dominance on the web: Question 567, a Step 1 renal question, in the 40-question block screen with the question list down the side
Exam Dominance on a phone: Question 1758 in the same block, with the question numbers across the top

Questions from the bank: Renal · Immunology on the web, Hematology & Oncology · Pathology on the phone.

Explanations

Scroll, and watch one question teach you.

  1. 01 / 07

    Read it like test day.

    A dehydrated aid worker, a concentrated urine. Where is most of his filtered water reabsorbed?

  2. 02 / 07

    Commit to an answer.

    Most students reach for the collecting duct. Choose under the same quiet pressure as the exam room.

  3. 03 / 07

    Find out at once.

    Proximal tubule. Only 38% of students got it right, and you see exactly where everyone else went.

  4. 04 / 07

    Understand why.

    The reasoning, tied back to every clue in the stem, with the key term in bold.

  5. 05 / 07

    See it, not just read it.

    Explanations carry figures drawn for the question itself, so the mechanism stays with you.

  6. 06 / 07

    Never fall for a distractor twice.

    Each tempting wrong answer is named, with the situation in which it would have been right.

  7. 07 / 07

    Keep one rule for exam day.

    Every question ends with a takeaway you can carry into the exam. 3,672 more are waiting.

    Start free and try it yourself →

Every question you skip now, you meet for the first time on exam day. Meet it here first.

3,673Step 1 questionsExam-style vignettes, every one with a full explanation.
26systems · 1,162 topicsFind the gaps you did not know you had, before the exam does.
90 sectest-day paceTimed 40-question blocks train the speed Step 1 demands.
$0to start today10 questions every day, free. No card, and no trial that runs out.
Start your free Daily 10 Takes under a minute. No card needed.

The interface

Get familiar with the way you practise.

Explore an exam-style screen with a clear item counter, answer choices and reference tools.

Timed or Tutor

Sit a 40-question block against the clock, or answer in Tutor mode and read each explanation as you go.

Lab values, notes, calculator

Keep reference tools together so you can stay focused on the question.

Highlight and strike out

Pick out key findings in the stem and keep track of choices you have ruled out.

Mark, suspend, resume

Organise questions for another look and keep a clear place to resume your study.

Build a block

Spend your hours on the questions that will cost you points.

Every block is built from your own history. Choose what you have never seen, what you got wrong or what you flagged, then narrow it to one system or a single topic.

examdominance.com · Create test
The Create test screen of Exam Dominance: status Incorrect chosen, Cardiovascular and Endocrine ticked with the cardiology topics open, Timed mode, 27 questions matching
The numbers on the screen match the notes below.
  1. UnusedQuestions you have never seen. Work through the bank without meeting the same question twice.
  2. IncorrectOnly the ones you got wrong. Every miss here is a question you get right on exam day.
  3. FlaggedThe questions you marked during a block to come back to: your own shortlist, ready when you are.
  4. Systems and topicsTick a whole system, or open it and pick single topics. Cardiology today, valvular disease tomorrow.
  5. Timed or TutorSit it at the 90-second exam pace, or read the explanation after every answer.
  6. StartThe live count shows exactly how many questions match. Choose how many, and start.

Custom blocks come with Basic and Premium. On the Free plan, your Daily 10 is drawn from questions you have not seen yet.

Your dashboard
Exam Dominance: the student dashboard on the web
Exam Dominance: the performance screen on a phone

Analytics

Give your next study session a clear focus.

Your dashboard brings your practice history and your accuracy by system and topic into one view, so you know what to revisit next. On the Basic and Premium plans.

  • Score trend: your % correct across every block, so you can see the climb.
  • Accuracy by system and subject: weak areas flagged in orange against your own average.
  • Weakest topics: the exact topics you miss most, with one click to drill them.
  • Exam pace: your average time per question against the 90-second test-day pace.
  • Question usage: correct, incorrect, omitted and unused, across the whole bank.

Pricing

A plan for every study rhythm.

Start free today. Upgrade when you are ready for more.

Free

$0
  • 10 questions every day
  • Full exam interface
  • Tutor and Timed modes
  • No analytics or performance dashboard
  • No marked (flagged) questions
  • No custom block creation
  • No blocks from incorrect questions
  • No NBME-style self-assessments
Start free

Basic

Ask us
  • 40 questions every day
  • Performance dashboard
  • Marked questions and notes
  • NBME-style self-assessments
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Full bank

Premium

Ask us
  • Full question bank
  • Weak-topic blocks and full analytics
  • Every explanation, image and reference
  • NBME-style self-assessments
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FAQ

Frequently asked questions

Is this the official exam software?

No. Exam Dominance is an independent question bank. It is not made by, or affiliated with, the FSMB or the NBME.

Which exam does it cover?

USMLE Step 1. Questions cover every system and subject, each with a full explanation.

Can I use it on my phone or tablet?

Yes. It works in the browser on a computer, a tablet or a phone, and you can install it as an app on a phone or tablet. Your progress is the same on every device you sign in to.

How do I pay, and can I cancel?

The Free plan needs no card: 10 questions every day, as long as you like. To move to Basic or Premium, contact Exam Dominance and your account is upgraded.

Your next question is a place to start.

Open a free account and sit your first Daily 10 today: real exam-style questions, every one explained.

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Try a question

A question from the bank. Pick an answer, then check it.

A 7-year-old boy is brought to the clinic after passing red urine this morning. He has atopic dermatitis and was treated with a short course of antibiotics for a skin infection a month ago. Blood pressure is 138/88 mm Hg. There is periorbital oedema and pitting oedema of both feet. Blood urea nitrogen is 15 mg/dL and creatinine is 1.3 mg/dL.

Which of the following is most likely responsible for the renal injury?

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