Free USMLE Step 1 and Step 2 CK practice questions with clear answers and explanations, written by Dr. Ray Makar, MD, a physician with 20 years of clinical practice who passed the USMLE himself as an international medical graduate.
Step 1 Questions Step 2 CK Questions
Free PDFs: 80 USMLE Practice Questions
Four free sampler PDFs: Step 1 (Pathology & Pharmacology) and Step 2 CK (Medicine, Surgery & Pediatrics), in both Review style and USMLE style, with answers and full explanations by Dr. Ray Makar, MD. Also useful for NEET-PG, INI-CET and FMGE.
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Browse questions by subject
- USMLE Step 1 – basic sciences: pharmacology, pathology, physiology and more
- USMLE Step 2 CK – clinical knowledge: diagnosis and management
- Pharmacology – drug mechanisms, side effects and toxicities
- Pathology – disease mechanisms and classic presentations
- Dermatology – skin diseases, blistering disorders, skin cancer and drug eruptions, written by a dermatologist
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- USMLE Step 1 Physiology Questions: Acid-Base Disorders – Vomiting, Aspirin Overdose and Diarrhea
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- Pathology USMLE Questions: Anemias – Beta-Thalassemia Minor, Vitamin B12 Deficiency and Hereditary Spherocytosis
How to use this site
- Answer first. Read the question and pick your answer before opening the explanation.
- Read every explanation. Learn why the right answer is right and why the others are wrong.
- Come back often. New questions are added regularly, focused on concepts that appear on the exam again and again.
My USMLE books on Amazon
Want more practice? My Repeated USMLE Questions books are available on Amazon as Kindle eBooks, and several as paperbacks.
- Repeated USMLE Questions: Step 1 Review – Volume 1
- Repeated USMLE Questions: Step 1 Review – Volume 2
- Repeated USMLE Questions: Step 1 Review – Volume 3
- Repeated USMLE Questions: Step 1 Review – Volume 4
- Repeated USMLE Questions: Step 2 CK Review – Volume 1
- Repeated USMLE Questions: Step 2 CK – Volume 2
- Repeated USMLE Questions: Step 2 CK Review – Volume 3
- Pharmacology MCQs for Medical and Pharmacy Students
- Pathology MCQs for Medical Students
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About Dr. Ray Makar
I graduated from medical school in 1982, practiced as a dermatologist for 20 years, and passed the USMLE as a foreign medical graduate after moving to the United States. I know how hard this exam is, especially for international graduates, and I built this site to make your preparation easier. Read more about me →
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This website is for exam preparation and education only. It is not medical advice and is not affiliated with the USMLE, NBME or FSMB.
FREE USMLE PDFs
Get 80 free practice questions
Four free sampler PDFs by Dr. Ray Makar: Step 1 (Pathology & Pharmacology) and Step 2 CK (Medicine, Surgery & Pediatrics), in both Review style and USMLE style, with answers and explanations. Also useful for NEET-PG, INI-CET and FMGE.
Download the free PDFs See the full books →