Viral Infections USMLE Step 1 Practice Questions
57 board-style USMLE Step 1 questions in Infectious Disease. Each question shows the correct answer; create a free account for the full explanation and adaptive practice.
- USMLE Step 1 · easy49. A 2-year-old boy presents to the emergency department at night with a barking cough and inspiratory stridor. He has had rhinorrhea and low-grade fever for 2 days. Vital signs sh…
- USMLE Step 1 · medium50. A 5-month-old boy presents to the emergency department in January with a 3-day history of cough and poor feeding. Vital signs show temperature 38.2°C, heart rate 148/min, respir…
- USMLE Step 1 · easy51. A previously healthy 11 month old infant is brought to clinic for a rash that appeared this morning. For the previous 3 days he had a fever to 40 C but now seems playful and wel…
- USMLE Step 1 · medium52. A 71 year old woman presents with severe burning pain over the forehead followed by grouped vesicles on an erythematous base involving the scalp and tip of the nose. She has pho…
- USMLE Step 1 · medium53. A 6-day-old male newborn presents with poor feeding, seizures, and disseminated vesicular rash. Vital signs show temperature 38.2°C, heart rate 156/min, respiratory rate 48/min,…
- USMLE Step 1 · medium54. A 19 year old college student is brought to the emergency department for fever, confusion, and a generalized seizure. MRI of the brain shows edema and hemorrhage in the temporal…
- USMLE Step 1 · medium55. A 14 year old boy with sickle cell disease presents with fatigue, pallor, and lightheadedness for 3 days. He recently recovered from a mild febrile illness. Laboratory studies s…
- USMLE Step 1 · medium56. A 52 year old kidney transplant recipient presents with fever, dyspnea, and nonproductive cough 6 weeks after transplantation. CT scan shows diffuse bilateral interstitial infil…
- USMLE Step 1 · easy57. A 17-year-old boy presents with fever (39.2°C), severe sore throat, malaise, and posterior cervical lymphadenopathy for 5 days. Vital signs: HR 98/min, BP 118/76 mmHg, RR 16/min…