USMLE Steps
The three steps of the USMLE are divided as Step 1, Step 2 CK (Clinical Knowledge), and Step 3. While you can appear for Steps 1 and 2 in any sequence, you must pass the two steps before appearing for the Step 3 test.
USMLE Test Step | Exam Type | Total Duration | Number of Questions | Skills Assessed |
Step 1 | Computer based | 1 Day | 7 blocks of 40 MCQs, 280 in total | Basic Science Concepts + Application to medical practice |
Step 2 | Computer based | 1 Day | 316 MCQs across 8 blocks | Clinical Science Concepts + Application |
Step 3 | Computer based | 2 Days | 233+180 MCQs across 6 blocks (Day 1 & 2) +13 computer-based simulations | Biomedical & clinical science concept + applications, patient management, ambulance care etc. |
The three steps of the USMLE are divided as Step 1, Step 2 CK (Clinical Knowledge), and Step 3. Until 2020, Step 2 also included a CS (Clinical Skills) component as part of Step 2. However, the NBME and FSME announced the cancellation of Step 2 CS permanently in March 2021. While you can appear for Steps 1 and 2 in any sequence, you must pass the two steps before appearing for the Step 3 test.
Items | USMLE Step-1 | USMLE Step-2 (CK) | USMLE Step-3 |
Test-Type | Computer-based | Computer-based | Computer-based |
Total Duration (including break time) | 8 hours | 9 hours | 8 hours on Day 1 |
9 hours on Day 2 |
Format | 280 MCQs divided into 7 sixty-minute blocks each with 40 MCQs. 90 seconds for each question. | About 316 MCQs divided into 8 sixty minute blocks. 91 seconds for each question. | Day 1: |
About 233 MCQs divided into 6 sixty minute blocks. |
Day 2: |
About 180 MCQs divided into 6 forty five minute blocks. |
13 computer-based case simulations (CCS). 10-20 minutes for each simulation. |
USMLE Step 1
The USMLE Step 1 assesses your knowledge of basic science principles, including anatomy, biochemistry, behavioural science, microbiology, pharmacology, pathology and physiology. Step 1 also tests your knowledge of interdisciplinary areas like genetics, nutrition, and immunology.
USMLE Step 2
Step 2 CK assesses your ability to apply medical knowledge and skill and understand clinical science, critical to patient care, under supervision. It further emphasises diseases prevention and health promotion. The test includes a 45 minutes break and an optional tutorial of 15 minutes.
USMLE Step 3
Step 3 is a two-day examination, a final assessment that evaluates your ability to apply your medical knowledge and understanding of clinical and biomedical science in an unsupervised environment. It emphasises patient management under ambulatory settings and assesses if you can assume independent responsibility in delivering primary medical care. You have to answer 232 multiple-choice items, spread over six blocks of 38-39 items on the first day of Step 3. You are allotted 60 minutes to complete each block over a test time of 7 hours, including a break of 45 minutes and a 5-minute optional tutorial. The second day comprises a test session of 9 hours, which includes an optional tutorial of 5 minutes, followed by 180 multiple-choice items, spread over six blocks of 30 items, with a break time of 45 minutes. You are required to complete each block in 45 minutes. Further, you have to take a 7-minute CCS tutorial followed by 13 case simulations of 10-20 minutes each.
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