The USMLE Step 1 Practice Exam by USMLE 120 is a full-length, premium exam designed to help medical students and international medical graduates fully prepare for the USMLE Step 1. With a structure that mirrors the official exam format, this practice test is made to give you the real test-day experience while helping you strengthen your core knowledge and test-taking skills.
This premium practice exam includes 7 blocks, each containing 40 carefully written multiple choice questions, for a total of 280 questions—exactly like the real USMLE Step 1. The questions cover a wide range of high-yield subjects, including pathology, pharmacology, physiology, biochemistry, microbiology, immunology, behavioral sciences, and more.
Every question and answer has been individually reviewed by board-certified medical specialists to ensure clinical relevance, accuracy, and alignment with USMLE standards. You won’t find vague or outdated questions—only authentic, exam-level content based on trends from the past 10 years of Step 1 exams.
After completing each block, you’ll receive detailed explanations for every answer, helping you understand the reasoning behind correct and incorrect choices. These explanations are designed to reinforce learning, clarify complex concepts, and improve your clinical reasoning and problem-solving skills.
Whether you’re weeks away from your exam or just beginning your study journey, this practice test is an ideal resource to:
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Identify knowledge gaps
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Practice time management
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Gain confidence for exam day
You’ll have 6 months of unlimited access to your exam after purchase, giving you plenty of flexibility to retake blocks, review your answers, and reinforce your learning as needed.
Don’t just practice—practice with purpose. The USMLE Step 1 Practice Exam by USMLE 120 gives you the depth, quality, and realism you need to pass the exam on your first attempt.
Keith Wellington –
Affordable and a must have for for part 1