USMLE STEP 1 EXAM 2026 655+ COMPLETE EXAM QUESTIONS AND ANSWERS 100% VERIFIED A+ GRADE ASSURED!!!!! NEW LATEST UPDATE!!!!

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USMLE STEP 1 EXAM 2026 655+ COMPLETE EXAM QUESTIONS AND ANSWERS 100% VERIFIED A+ GRADE ASSURED!!!!! NEW LATEST UPDATE!!!!

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82 pages

2025/2026

Institution USMLE STEP 1

Course USMLE STEP 1

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USMLE STEP 1 EXAM 2026 655+ COMPLETE EXAM QUESTIONS AND ANSWERS 100% VERIFIED A+ GRADE ASSURED!!!!! NEW LATEST UPDATE!!!!

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FINAL EXAMINATION PAPER dd dd

USMLE STEP 1 EXAM QUESTIONS ANSWERS
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STUDENT NAME: ________________________________
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COURSE: First Aid USMLE STEP 1 High Yield
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EXAM CODE: USMLE STEP 1 EXAM QUESTIONS ANSWE
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RS-101

EXAM INSTRUCTIONS:
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1. Print your full name and date clearly in the header above.
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2. This exam booklet contains both Test Questions (Part I) and Verified Solutions (Part II).
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3. Answer all multiple-choice questions clearly. Double-check your work.
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4. Do not break the seal or open this booklet until instructed to do so by the proctor.
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Q1. Abdominal pain, ascites, and hepatomegaly
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[Verified Solution]: Budd-Chiari syndrome (posthepatic venous thrombosis) -Absence of JVD
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Q2. Abdominal pain, diarrhea, leukocytosis, recent antibiotic use
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[Verified Solution]: Clostridium difficile infection
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Q3. Achilles tendon xanthoma
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[Verified Solution]: Familial hypercholesterolemia (decreased LDL receptor signaling)
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Q4. Adrenal hemorrhage, hypotension, DIC
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[Verified Solution]: Waterhouse-Friderichsen syndrome (menengococcemia)
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Q5. Anaphylaxis following blood transfusion
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[Verified Solution]: IgA deficiency
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Q6. Anterior "drawer sign" ⊕
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[Verified Solution]: Anterior cruciate ligament injury
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,Q7. Arachnodactyly, lens dislocation, aortic dissection, hyperflexible joints
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[Verified Solution]: Marfan syndrome (fibrillin defect)
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Q8. Athlete with polycythemia
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[Verified Solution]: 2° to erythropoietin injection
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Q9. Back pain, fever, night sweats
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[Verified Solution]: Pott disease (vertebral TB)
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Q10. Bilateral acoustic schwannomas
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[Verified Solution]: Neurofibromatosis type 2
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Q11. Bilateral hilar adenopathy, uveitis
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[Verified Solution]: Sarcoidosis (noncaseating granulomas)
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Q12. Black eschar on face of patient with diabetic ketoacidosis
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[Verified Solution]: Mucor or Rhizopus fungal infection
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Q13. Blue sclera, brittle bones
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[Verified Solution]: Osteogenesis imperfecta (type I collagen defect)
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Q14. Bluish line on gingiva
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[Verified Solution]: Burton line (lead poisoning)
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Q15. Bone pain, bone enlargement, arthritis
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[Verified Solution]: Paget disease of bone (osteoblastic and osteoclastic activity)
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Q16. Bounding pulses, diastolic heart murmur, head bobbing
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[Verified Solution]: Aortic regurgitation
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,Q17. "Butterfly" facial rash and Raynaud phenomenon in a young female
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[Verified Solution]: Systemic lupus erythematosus
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Q18. Café-au-
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lait spots, Lisch nodules (iris hamartoma), cutaneous neurofibromas, pheochromocytomas, opti
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c gliomas
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[Verified Solution]: Neurofibromatosis type I, pheochromocytoma, optic gliomas
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Q19. Café-au-
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lait spots (unilateral), polyostotic fibrous dysplasia, precocious puberty, multiple endocrine abn
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ormalities
[Verified Solution]: McCune-Albright syndrome (mosaic G-protein signaling mutation)
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Q20. Calf pseudohypertrophy
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[Verified Solution]: Muscular dystrophy (most commonly Duchenne, due to X-
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linked recessive frameshift mutation of dystrophin gene)
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Q21. Child with cervical lymphadenopathy, desquamating rash, coronary aneurysms, red conj
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unctivae and tongue dd dd

[Verified Solution]: Kawasaki disease (treat with IVIG and aspirin)
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Q22. "Cherry-red spots" on macula
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[Verified Solution]: Tay-Sachs (ganglioside accumulation) or Niemann-
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Pick (sphingomyelin accumulation), central retinal artery occlusion
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Q23. Chest pain on exertion
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[Verified Solution]: Angina (stable: with moderate exertion; unstable: with minimal exertion or at rest)
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Q24. Chest pain, pericardial effusion/friction rub, persistent fever following MI
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[Verified Solution]: Dressler syndrome (autoimmune-mediated post-MI fibrinous pericarditis, 2-
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12 weeks after acute episode
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, Q25. Chest pain with ST depressions on EKG
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[Verified Solution]: Unstable angina (troponins −) or NSTEMI (troponins +)
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Q26. Child uses arms to stand up from squat
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[Verified Solution]: Gowers sign (Duchenne muscular dystrophy)
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Q27. Child with fever later develops red rash on face that spreads to body
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[Verified Solution]: "Slapped cheeks" (erythema infectiosum/fifth disease: parvovirus B19)
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Q28. Chorea, dementia, caudate degeneration
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[Verified Solution]: Huntington disease (autosomal dominant CAG repeat expansion)
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Q29. Chorioretinitis, hydrocephalus, intracranial calcifications
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[Verified Solution]: Congenital toxoplasmosis
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Q30. Chronic exercise intolerance with myalgia, fatigue, painful cramps, myoglobinuria
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[Verified Solution]: McArdle disease (skeletal muscle glycogen phosphorylase deficiency)
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Q31. Cold intolerance
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[Verified Solution]: Hypothyroidism
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Q32. Conjugate horizontal gaze palsy, horizontal diplopia
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[Verified Solution]: Internuclear ophthalmoplegia (damage to MLF; may be unilateral or bilateral)
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Q33. Continuous "machine-like" heart murmur
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[Verified Solution]: PDA (close with indomethacin; open or maintain with PGE analogs)
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Document information

Uploaded on: July 29, 2026
Number of pages: 82
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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