Neuromuscular Disorders USMLE Step 1 Practice Questions
64 board-style USMLE Step 1 questions in Neurology. Each question shows the correct answer; create a free account for the full explanation and adaptive practice.
- USMLE Step 1 · easy49. A 29-year-old woman comes to the clinic because of double vision and drooping of both eyelids that worsen by the end of the day. She also reports difficulty chewing meat at dinn…
- USMLE Step 1 · medium50. A 32-year-old man presents with jaw stiffness and painful generalized muscle spasms 1 week after a puncture wound from a rusty nail. Vital signs show BP 145/92 mmHg, HR 110/min,…
- USMLE Step 1 · medium51. A 46-year-old man presents 24 hours after consuming home-canned vegetables with blurred vision, dysphagia, and dry mouth. He now reports progressive descending weakness. Vital s…
- USMLE Step 1 · hard52. A 26-year-old man presents with difficulty releasing his grip after handshaking. He reports daytime sleepiness and progressive frontal balding. Vital signs show BP 118/76, HR 82…
- USMLE Step 1 · medium53. A 17-year-old boy presents with slowly progressive proximal muscle weakness and exertional dyspnea since age 12. Vital signs: BP 118/76, HR 88, RR 18, temp 37°C, SpO2 98%. He re…
- USMLE Step 1 · easy54. A 4-year-old boy is brought by his parents for delayed motor milestones and progressive difficulty rising from the floor. He uses his hands to push up his thighs when standing (…
- USMLE Step 1 · medium55. A 7-month-old male presents with progressive weakness and profound hypotonia since 5 months of age. Vital signs: HR 120/min, RR 28/min, BP 85/55 mmHg, temperature 37°C, SpO2 98%…
- USMLE Step 1 · medium56. A 5-month-old male presents with progressive weakness and poor head control over 2 months. Vital signs: HR 110, RR 22, SpO2 98% on room air. Examination reveals severe hypotonia…
- USMLE Step 1 · medium57. A 58-year-old man presents with progressive hand weakness and muscle cramps over 6 months. Vital signs: BP 128/82, HR 88, RR 16, Temp 37.0°C, SpO2 98%. Examination reveals fasci…
- USMLE Step 1 · medium58. A 62-year-old man with a 50 pack-year smoking history presents with dry mouth, constipation, and progressive proximal leg weakness. He reports strength improves transiently afte…
- USMLE Step 1 · medium59. A full-term newborn presents on day 1 of life with a weak cry, poor suck, and diffuse hypotonia. Vital signs show HR 145/min, RR 38/min, and normal oxygen saturation. The mother…
- USMLE Step 1 · hard60. A 42-year-old woman presents with progressive fatigable ptosis and nasal speech. Vital signs show BP 128/82, HR 88, RR 16, Temp 37.2°C, SpO2 98% on room air. Serum anti-acetylch…
- USMLE Step 1 · easy61. A 29-year-old woman presents with worsening diplopia and dysphagia by day's end. Vital signs show BP 118/76 mmHg, HR 82/min, RR 16/min, temp 37°C, SpO2 98% on room air. Examinat…
- USMLE Step 1 · medium62. A 15-year-old boy presents with recurrent ankle sprains and progressive difficulty running. Vital signs are normal (BP 118/76, HR 82, RR 16, Temp 37°C, SpO2 98%). Physical exami…
- USMLE Step 1 · medium63. A 41-year-old man presents 10 days after acute gastroenteritis with diplopia, gait unsteadiness, and mild proximal leg weakness. Vital signs: BP 138/82, HR 92, RR 18, temp 37.2°…
- USMLE Step 1 · medium64. A 49-year-old man presents with 3 months of progressive symmetric leg weakness and paresthesias. He reports difficulty climbing stairs and denies bowel/bladder dysfunction. Vita…