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USMLE Step 2 CK Prep Course Comparison Chart
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MedChallenger: 1800+ questions (total for Steps 2CK and 3 combined.)
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USMLE Step 2 CK Topics & FAQs
What topics are covered on the USMLE® Step 2 CK Exam?
The USMLE® Step 2CK Content Outline consists of the following:
System | Range, % |
General Principles** | 2–4 |
Immune System | 3–5 |
Blood & Lymphoreticular System | 4–6 |
Behavioral Health | 6–8 |
Nervous System & Special Senses | 6–8 |
Musculoskeletal System/Skin & Subcutaneous Tissue | 6–10 |
Cardiovascular System | 8–10 |
Respiratory System | 7–9 |
Gastrointestinal System | 7–9 |
Renal & Urinary System & Male Reproductive | 4–6 |
Pregnancy, Childbirth & the Puerperium | 4–6 |
Female Reproductive System & Breast | 4–6 |
Endocrine System | 4–6 |
Multisystem Processes & Disorders | 4–6 |
Biostatistics & Epidemiology/Population Health/Interpretation of Medical Literature | 3–5 |
Social Sciences: Legal/Ethical Issues & Professionalism/Systems-based Practice & Patient Safety | 10–15 |
Physician Tasks / Physician Competencies | Range, % |
Laboratory/Diagnostic Studies | 13–17 |
Diagnosis | 16–20 |
Prognosis/Outcome | 5–9 |
Health Maintenance/Disease Prevention | 8–12 |
Pharmacotherapy | 8–12 |
Clinical Interventions | 6–10 |
Mixed Management | 12–16 |
Practice-based Learning & Improvement | 3–5 |
Professionalism | 5–7 |
Systems-based Practice & Patient Safety | 4–6 |
Percentages are subject to change at any time. See the USMLE website for the most up-to-date information.
**The Step 2CK General Principles category includes normal and abnormal processes that are not limited to specific organ systems.
How long is the USMLE Step 2 CK Exam?
Step 2 CK is a one day examination lasting 9 hours. There will be 8 blocks plus the tutorial, which counts as an additional block — so don’t be alarmed when actual exam runs from blocks 2-9!
How many questions are on the USMLE Step 2 CK Exam?
The Step 2 CK exam is made up of about 318 MCQ’s, divided into eight 60 minute sets of 40 questions or less.
USMLE Step 2 CK Study Tip:
When preparing for the 2 CK, allow yourself up to 90 seconds per question, to reflect the actual exam.