USMLE Step 1 Quizzes, Questions & Answers
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This USMLE Step 1 quiz assesses knowledge on musculoskeletal anatomy and physiology, focusing on situations like knee unlocking, arterial blood flow in injuries, nerve innervations, and specific muscle-tendon involvements. It...
Questions: 50 | Attempts: 152 | Last updated: Aug 19, 2025
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Sample QuestionThe process of unlocking the fully extended knee in preparation for flexion requires initial contraction of which of the following muscles?
This USMLE Step 1 quiz assesses knowledge in key medical areas including anatomy, physiology, and pathology. Questions focus on clinical scenarios and fundamental medical concepts, crucial for future medical professionals.
Questions: 50 | Attempts: 300 | Last updated: Mar 21, 2025
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Sample QuestionA lesion at which site in the diagram below could produce weakness of muscles that mediate swallowing, chewing, breathing, and speaking?
This USMLE Step 1 quiz assesses knowledge on various medical topics including benign prostatic hypertrophy, homologues of arteries in males, complications of colonic diverticulosis, arterial variations, and anatomy related to the...
Questions: 20 | Attempts: 171 | Last updated: May 22, 2025
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Sample QuestionBenign prostatic hypertrophy results in obstruction of the urinary tract. This specific condition is associated with enlargement of which of the following?
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This USMLE Step 1 quiz assesses knowledge on human anatomy and physiology with focus on endometrium, myometrium, renal structures, and ocular adjustments. It prepares learners for medical licensing, emphasizing critical thinking...
Questions: 50 | Attempts: 154 | Last updated: Aug 22, 2025
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Sample Question. The accompanying diagram shows a cross section of a developing human endometrium and myometrium. Hormonal ratios control the development of which of the labeled vessels?
This USMLE Step 1 quiz assesses knowledge in various medical conditions and pathologies, focusing on diagnosis and physiological understanding. It is designed for medical students preparing for the USMLE Step 1 exam, enhancing...
Questions: 50 | Attempts: 181 | Last updated: Mar 21, 2025
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Sample QuestionThe structures labeled in the figure with an asterisk produce which of the following substances?
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