Dear Medical Students and Foreign Doctors, I am going to answer the sample USMLE Step 1 Questions with Explanation. These questions are available at USMLE.org. Question 1 A 14-year-old boy is brought to the emergency department by his parents because of a 1-month history of intermittent right knee pain that has worsened during the past … Read more
Q- A 12-year-old male patient is brought to the clinic by his parents. He is diagnosed with type-1-diabetes. He is prescribed insulin as a treatment. Which one of the following medications is a rapid-acting insulin? A- Aspart B- Detemir C- Glargine D- NPH Q- Bilateral acoustic schwannomas and juvenile cataract occur in which one of … Read more
Q- An alcoholic patient presents with sudden chest pain, cough and shortness of breath following repeated episodes of retching and vomiting. Examination reveals subcutaneous emphysema. Which of the following is the most likely diagnosis? A- Boerhaave syndrome B- Mallory-Weiss tear C- Myocardial infarction D- Rupture of esophageal varices Q- A 34-year-old man presents with fatigue, … Read more
Q- Which of the following is one of the reasons that corticosteroids therapy may lead to osteoporosis? A- Corticosteroids decrease renal phosphate excretion B- Corticosteroids decrease intestinal calcium absorption C- Corticosteroids increase osteoblast mRNA production D- Corticosteroids increase osteoblast protein synthesis Q- A middle-aged woman complains of feeling a lump in her left breast. … Read more
Q- Which of the following symptoms is known to be related to aspirin toxicity? A- Diarrhea B- Dry cough C- Headache D- Tinnitus Q- Which one of the following drugs most likely contributes to hypokalemia? A- Cyclosporine B- Furosemide C- Propranolol D- Tacrolimus Q- Which of the following anti-depressants is the most effective … Read more
Q- Which of the following drugs reduces blood pressure by centrally acting on vasomotor centers? A- Atenolol B- Clonidine C- Enalapril D- Nifedipine Q- Which of the following drugs may cause reversible gynecomastia? A- Cimetidine B- Omeprazole C- Misoprostol D- Sucralfate Q- Which of the following is the most accurate definition of tachyphylaxis? A- A … Read more
Q- Which one of the following anti-arrhythmic medications can cause hemolytic anemia as a side effect?
A- Hydralazine
B- Metoprolol
C- Quinidine
D- Verapamil
Each medical school graduate should pass all steps of the USMLE to get a license to practice medicine in the United States of America and its territories.