USMLE Step 2 CK · 52 free questions
Free USMLE Step 2 CK practice questions
52 Step 2 CK questions, free to answer with full explanations and no account: questions from 18 organ systems, plus every past Daily Challenge.
Step 2 CK asks what you'd do: the likeliest diagnosis, the next best step, the right drug. These questions are written for those decisions.
Free questions are part of the 737-question Step 2 CK bank, in the same format.
By organ system
Free Step 2 CK questions
Pick a system, or work down the list. Each question opens on its own page.
General Principles of Foundational Science · 1
Human Development · 2
Blood & Lymphoreticular System · 1
Behavioral Health · 3
- Anxiety disordersA 34-year-old woman comes to the clinic after three episodes of sudden pounding heartbeat, shortness of breath, and intense fear that peak within several minutes.AQ-1430
- Suicide and self-harm Daily #25A 16-year-old boy is seen with his mother after telling a school counselor 1 week ago that he had considered taking all of his mother's prescription medicines after an argument.30 Oct 2026
- Eating disordersA 22-year-old woman is evaluated for episodes of eating unusually large amounts of food within a short period.AQ-1526
Nervous System & Special Senses · 3
- Neuromuscular junction disordersA 34-year-old woman comes to the clinic because of 3 months of intermittent double vision and drooping of her eyelids.AQ-1454
- Disorders of the eyeA 67-year-old man with hypertension and type 2 diabetes mellitus presents with blurred vision in his left eye that began abruptly several hours ago.AQ-1577
- Intracranial hemorrhageA 24-year-old man is brought to the emergency department after being struck on the head during a bicycle crash.AQ-1659
Skin & Subcutaneous Tissue · 2
Musculoskeletal System · 3
Cardiovascular System · 6
- Mitral valve prolapseA 24-year-old woman is evaluated after a murmur is heard during a routine examination.AQ-1518
- DyslipidemiasA 58-year-old man comes to the clinic to reestablish care.AQ-1552
- HypertensionA 46-year-old man comes to the office for follow-up after elevated blood pressure was noted at several visits.AQ-1635
- Dyslipidemias Daily #18A 42-year-old woman is evaluated for persistently elevated cholesterol.23 Oct 2026
- Myocarditis Daily #28A 66-year-old man with metastatic melanoma is receiving nivolumab.2 Nov 2026
- Heparin-induced thrombocytopenia with acute thrombosis in a patient with severe renal impairment Daily #36A 66-year-old man is hospitalized for treatment of a large infected leg ulcer.10 Nov 2026
Respiratory System · 5
- Chronic obstructive pulmonary diseaseA 59-year-old man who currently smokes and has a 38-pack-year history comes to the office because of gradually worsening exertional dyspnea and a daily cough productive of…AQ-1467
- BronchiolitisA 7-month-old boy is brought to the clinic in winter because of 3 days of rhinorrhea and cough.AQ-1503
- PharyngitisA 9-year-old boy is brought to the clinic because of 2 days of fever and sore throat.AQ-1519
- Pleural effusions Daily #37A 36-year-old woman has 6 weeks of fever, weight loss, pleuritic chest pain, and progressive shortness of breath.11 Nov 2026
- Salicylate toxicity Daily #32A 19-year-old woman is transferred to the emergency department approximately 5 hours after taking an uncertain number of tablets from a bottle used for pain relief; the…6 Nov 2026
Gastrointestinal System · 5
- Esophageal disordersA 46-year-old man with advanced HIV infection presents with 1 week of painful swallowing.AQ-1477
- ConstipationA 62-year-old man is seen 5 days after surgery for a painful lower-extremity fracture.AQ-1575
- PancreatitisA 52-year-old man has had several episodes of acute pancreatitis over the past 6 years.AQ-1641
- Polyposis syndromesA 49-year-old woman with attenuated familial adenomatous polyposis returns for follow-up.AQ-1645
- Ascites Daily #6A 64-year-old man is evaluated for 3 weeks of progressive abdominal enlargement.11 Oct 2026
Renal & Urinary System · 1
Pregnancy, Childbirth, & the Puerperium · 4
- Antepartum hemorrhageA 30-year-old woman at 31 weeks’ gestation has painless bright-red vaginal bleeding.AQ-1512
- Teratology and drugs in pregnancyA 31-year-old woman with a history of recurrent unprovoked deep venous thrombosis, for which she takes long-term warfarin, presents after a positive home pregnancy test.AQ-1585
- Prenatal careA 31-year-old woman, gravida 2, para 1, at 29 weeks’ gestation comes for a prenatal visit.AQ-1682
- Preeclampsia with severe features at 30 weeks’ gestation, with maternal and fetal status stabilized Daily #21A 29-year-old woman, gravida 1, at 30 weeks’ gestation is admitted to a tertiary perinatal center after blood pressures of 172/114 mm Hg and 168/112 mm Hg are recorded 15…26 Oct 2026
Female and Transgender Reproductive System & Breast · 2
Male and Transgender Reproductive System · 1
Endocrine System · 3
- HypoglycemiaA 44-year-old woman reports several episodes of sweating, tremor, and difficulty concentrating on awakening after an overnight fast.AQ-1472
- Diabetes mellitusA 52-year-old man with type 2 diabetes mellitus comes for an annual visit.AQ-1610
- Thyroiditis Daily #13A 67-year-old man with recurrent ventricular tachycardia has been taking amiodarone for 9 months; cardiology considers discontinuation impractical because of his arrhythmia.18 Oct 2026
Multisystem Processes & Disorders · 2
Biostatistics, Epidemiology/Population Health, & Interpretation of the Medical Literature · 4
- Meta-analysis Daily #9A 4-year-old boy with recurrent wheezing is seen in a pediatric clinic.14 Oct 2026
- Measures of riskAn 8-year-old boy is scheduled to undergo elective surgery.AQ-1650
- Survival analysisA 64-year-old woman with a prior ischemic stroke is discussing a randomized trial of an adjunct preventive medication with her neurologist.AQ-1653
- Public health surveillanceAn unvaccinated 18-month-old is brought to a clinic with 4 days of fever, cough, coryza, and conjunctivitis followed by a spreading maculopapular rash.AQ-2171
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Practice Step 2 CK by subject
- Step 2 CK internal medicine questions55–65% of the exam on the official outline
- Step 2 CK OB/GYN questions10–20% of the exam on the official outline
- Step 2 CK psychiatry questions10–15% of the exam on the official outline
- The full Step 2 CK question bank737 questions, tutor and timed modes, ARGO
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Free Step 2 CK questions, explained.
Looking for the official samples? USMLE Step 2 CK sample test questions.
01How many free Step 2 CK questions are there?
52, from 18 organ systems, including 12 past Daily Challenges. Each has the full explanation of every answer choice. The full Step 2 CK bank has 737.
02Do I need an account to answer them?
No. Choose an answer, check it, and read the explanation on the page. A free account adds stats, the Daily Challenge leaderboard and free Library chapters.
03Are these real Step 2 CK questions?
No. They're original questions written to the NBME Item-Writing Guide and approved by a clinician. The USMLE program publishes its own official Step 2 CK sample questions.
04What do I get with Full access?
All 737 Step 2 CK questions plus the Step 1 bank, tutor and timed blocks, the full Library and ARGO, for $48 once. See the Step 2 CK question bank.
737 more where these came from.
Full access unlocks every Step 2 CK question, plus the Step 1 bank, for $48 once.
$48 · once · Step 1 + Step 2 CK
Social Sciences: Communication, Ethics & Patient Safety · 4