Free USMLE practice questions with answers and explanations, organized by subject. Every set has 10 questions (or 3 long clinical cases) with a tap-to-show answer and a short explanation, written by Dr. Ray Makar, MD, author of the Repeated USMLE Questions eBook series.
Prefer video? Watch daily USMLE case questions on MedFocus by Dr. Ray on YouTube.
Cardiology
- Cardiology Questions (Set 1)
- Cardiology Questions (Set 2)
- Cardiology Questions (Set 3)
- Cardiology and Respiratory Basics (Set 1)
- Cardiology Quick Review Questions (Set 1)
Pharmacology and Toxicology
- Toxicology and Pharmacology Questions (Set 1)
- Pharmacology Mechanisms Questions (Set 1)
- Pharmacology Mechanisms Questions (Set 2)
- Pharmacology Mechanisms Questions (Set 3)
- Pharmacology Mechanisms Questions (Set 4)
- Pharmacology Mechanisms Questions (Set 5)
- Step 1 Pharmacology Questions
- Pharmacology Quick Review Questions (Set 1)
- Pharmacology Quick Review Questions (Set 2)
- Pharmacology Quick Review Questions (Set 3)
- Pharmacology Quick Review Questions (Set 4)
Infectious Disease
Gastroenterology
- Gastroenterology Questions (Set 1)
- Gastroenterology Questions (Set 2)
- Gastroenterology Quick Review Questions (Set 1)
Hematology and Oncology
- Hematology and Oncology Questions (Set 1)
- Hematology and Oncology Questions (Set 2)
- Hematology, Oncology and Immunology Quick Review Questions (Set 1)
Internal Medicine
Endocrinology
Renal and Urology
Neurology
Psychiatry
OB/GYN
Pediatrics and Genetics
Musculoskeletal and Rheumatology
Anatomy and Embryology
- Anatomy and Embryology Questions (Set 1)
- Neurology, Psychiatry and Anatomy Quick Review Questions (Set 1)
Physiology and Biochemistry
Pathology
Ethics and Preventive Medicine
Long Clinical Cases
- Clinical Cases: Cardiomyopathy, GPA and Spinal Metastases
- Clinical Cases: Pituitary Adenoma, Acromegaly and Schizophrenia
- Clinical Cases: Fat Embolism, Ulcerative Colitis and Intussusception