Free NBME-style practice questions
250 physician-validated, board-style questions across organ systems — each with the reasoning for every answer choice. Practice the full 12,000-question bank free for 7 days.
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Cardiovascular System
- Arrhythmias & Conduction — A 45-year-old man with a history of hypertension and coronary artery disease presents to t…
- Arrhythmias & Conduction — A 68-year-old man presents with dizziness and episodes of confusion over the past several …
- Arrhythmias & Conduction — A 45-year-old man with no significant past medical history presents with palpitations that…
- Arrhythmias & Conduction — A 55-year-old man with no significant medical history presents with new-onset fatigue. His…
- Arrhythmias & Conduction — A 64-year-old male presents to the emergency room complaining of chest pain. He reports a …
- Cardiac Physiology — A scientist observes a myocyte beating in cell culture. Which step is the most direct nece…
- Cardiac Physiology — A 34-year-old woman presents with fatigue, depressed mood, weight gain, and constipation. …
- Cardiac Physiology — A 21-year-old man presents to a physician with repeated episodes of syncope and dizziness …
- Cardiac Physiology — A 23-year-old primigravida presents to her physician’s office at 12 weeks gestation compla…
- Cardiac Physiology — An 84-year-old man presents to the emergency department for a loss of consciousness. The p…
- Cardiac Physiology — A 62-year-old man presents to his geriatrician due to waking several times during the nigh…
- Cardiomyopathies — A 28-year-old man presents with fatigue and exertional dyspnea. He has a family history of…
- Cardiomyopathies — A 28-year-old woman presents with new-onset heart failure symptoms including dyspnea and f…
- Cardiomyopathies — A 60-year-old woman with a past medical history of sarcoidosis presents with increasing sh…
- Cardiomyopathies — A 45-year-old African American man with a history of alcohol use disorder presents to the …
- Cardiomyopathies — A 39-year-old man seeks an evaluation in the emergency room due to an episode of syncope a…
- Coronary Artery Disease & MI — A woman with coronary artery disease is starting to go for a walk. As she begins, her hear…
- Coronary Artery Disease & MI — A 54-year-old man is brought to the emergency department 1 hour after the sudden onset of …
- Coronary Artery Disease & MI — A 41-year-old man presents to his primary care provider because of chest pain with activit…
- Coronary Artery Disease & MI — A 63-year-old man with high blood pressure, dyslipidemia, and diabetes presents to the cli…
- Heart Failure — A 82-year-old man who is currently being managed by the internal medicine service agrees t…
- Heart Failure — A 55-year-old male is hospitalized for acute heart failure. The patient has a 20-year hist…
- Heart Failure — A 58-year-old African-American man with a history of congestive heart failure presents to …
- Heart Failure — A 70-year-old man comes to the physician for evaluation of worsening nocturia, fatigue, an…
- Hypertension — A 65-year-old African American woman with a history of untreated hypertension and obesity …
- Hypertension — A 58-year-old man is rushed to the ER in the middle of the night with severe chest pain. H…
- Pericardial Disease — A 35-year-old man presents to the physician with concerns that a “bad flu” he has had for …
- Valvular Disease & Endocarditis — An 8-year-old boy who recently immigrated to the United States presents with a rash. Past …
- Valvular Disease & Endocarditis — A 33-year-old woman schedules an appointment at an outpatient clinic for the first time af…
- Valvular Disease & Endocarditis — An otherwise healthy 25-year-old man comes to the physician because of a 3-month history o…
- Valvular Disease & Endocarditis — A 62-year-old woman comes to the physician because of a 2-month history of exertional shor…
- Vascular Disease — A 55-year-old man presents to the urgent clinic complaining of pain in his right foot. He …
- Vascular Disease — A 68-year-old male is brought to the emergency department by his wife. An hour earlier, he…
- Vascular Disease — A 62-year-old woman is brought to the emergency department because of sudden loss of visio…
- Vascular Disease — A 40-year-old man comes to the physician because of a 5-month history of watery diarrhea a…
- Vascular Disease — A 32-year-old woman presents with progressive shortness of breath and a dry cough. She say…
- Vascular Disease — A 62-year-old man comes to the physician because of painless swelling in his left foot for…
- Vascular Disease — A 50-year-old man comes to the physician for the evaluation of recurrent episodes of chest…
- Vascular Disease — A 60-year-old man presents with pain, swelling, and a purulent discharge from his left foo…
- Vascular Disease — A 57-year-old woman comes to the physician for a routine examination. She takes no medicat…
- Vascular Disease — A 56-year-old man comes to the emergency department because of pain and swelling in his le…
Hematologic and Lymphatic System
Other
- Adaptive Immunity — A 21-year-old college student is admitted to the emergency department with complaints of p…
- Adaptive Immunity — A 33-year-old woman, gravida 2, para 1, at 24 weeks' gestation is brought to the emergency…
- Amino Acid Metabolism — A 3-day-old boy is brought to the emergency department because of a 4-hour history of somn…
- Amino Acid Metabolism — A 9-month-old infant presents to your office for a check-up. Exam reveals mental retardati…
- Antimicrobial Agents — A 57-year-old florist presents to his family physician with nodular lesions on his right h…
- Antimicrobial Agents — A 48-year-old female with a history of hypertension, type II diabetes mellitus, hypothyroi…
- Antimicrobial Agents — A 13-year-old male is admitted to the hospital for treatment of acute lymphoblastic leukem…
- Autoimmune Disease — A 57-year-old man comes to the physician because of sudden-onset fever, malaise, and pain …
- Bacteriology — A 7-day-old infant boy presents to an emergency department due to poor feeding. His parent…
- Bacteriology — A 21-year-old man presents to the physician with complaint of fever and non-bloody diarrhe…
- Bacteriology — A 58-year-old man comes to the clinic complaining of increased urinary frequency for the p…
- Bacteriology — A 61-year-old woman who recently emigrated from India comes to the physician because of a …
- Bacteriology — A 32-year-old man is brought to the physician by his wife for a 3-day history of fever, he…
- Bacteriology — A 65-year-old male with a history of COPD presents to the emergency department with dyspne…
- Bacteriology — A 75-year-old woman is brought to the emergency department by her daughter because of shor…
- Bacteriology — A 19-year-old male is found to have Neisseria gonorrhoeae bacteremia. This bacterium produ…
- Bacteriology — A 23-year-old pregnant woman (gravida 1, para 0) presents during her 16th week of pregnanc…
- Bacteriology — An 8-day-old male infant presents to the pediatrician with a high-grade fever and poor fee…
- Bacteriology — A 47–year-old man presents to the emergency department with worsening weakness in the sett…
- Behavioral Disorders — A 58-year-old man with a past medical history of diabetes, hypertension, and hyperlipidemi…
- Behavioral Disorders — A 4-year-old boy presents to the pediatrician's office for a well child checkup. He does n…
- Behavioral Disorders — A 20-year-old male is brought to a psychiatrist by his parents for bizarre behavior. His p…
- Behavioral Disorders — A 35-year-old woman is brought to the emergency department by her coworkers after a sudden…
- Behavioral Disorders — A 23-year-old man presents to an outpatient psychiatrist complaining of anxiety and a pers…
- Behavioral Disorders — A previously healthy 36-year-old man is brought to the physician by a friend because of fa…
- Behavioral Disorders — A 17-year-old girl is brought to her pediatrician by her mother for a wellness checkup. Th…
- Behavioral Disorders — A 5-year-old boy is brought in by his mother with reports of trouble at school. Teachers r…
- Behavioral Disorders — A 37-year-old man comes to the emergency department with his wife because of a 3-day histo…
- Biostatistics & Epidemiology — A 14-month-old boy is brought in by his parents with an 8-month history of diarrhea, abdom…
- Biostatistics & Epidemiology — A prospective cohort study is conducted to evaluate the risk of pleural mesothelioma in co…
- Carbohydrate Metabolism — A 5-year-old boy presents to the pediatrician after his parents noted that he could not su…
- Carbohydrate Metabolism — A 4-month-old boy is brought to the physician because of a seizure. He was delivered at te…
- Cardiovascular Pharmacology — A 62-year-old man with history of heart failure with preserved ejection fraction (HFpEF) a…
- Cardiovascular Physiology — A 56-year-old man with chronic kidney failure is brought to to the emergency department by…
- Cell Injury & Death — A 64-year-old woman is brought to the emergency department 30 minutes after the onset of r…
- CNS Pharmacology — A 65-year-old patient with a history of COPD and open-angle glaucoma in the left eye has h…
- CNS Pharmacology — A 37-year-old woman presents to the general medical clinic with a chief complaint of anxie…
- CNS Pharmacology — A 34-year-old woman presents with recurrent panic attacks that have been worsening over th…
- CNS Pharmacology — A 65-year-old woman presents with memory problems for the past few weeks. Patient vividly …
- CNS Pharmacology — A 24-year-old man is brought to the doctor’s office by his mother because the patient beli…
- CNS Pharmacology — A 68-year-old man presents with urinary retention for the past week. He says his symptoms …
- Drug Toxicity & Overdose — A 17-year-old woman is rushed into the emergency department by her father who found her co…
- Drug Toxicity & Overdose — A 14-year-old girl presents to the emergency room complaining of abdominal pain. She was w…
- Drug Toxicity & Overdose — One hour after undergoing an uncomplicated laparoscopic appendectomy, a 22-year-old man de…
- Drug Toxicity & Overdose — A 40-year-old male presents to the clinic. The patient has begun taking large doses of vit…
- Endocrine Pharmacology — A 26-year-old woman comes to the physician because of fatigue, weight loss, and muscle ach…
- Fluid, Electrolyte, Acid-Base — A 9-year-old girl is admitted to the hospital with a one-day history of acute abdominal pa…
- Gene Expression & Regulation — A healthy 29-year-old nulligravid woman comes to the physician for genetic counseling prio…
- General — A 30-year-old man with a family history of genetic kidney disorders presents with recurren…
- Genetic Disorders — A 2720-g (6-lb) female newborn is delivered at term to a 39-year-old woman, gravida 3, par…
- Genetic Disorders — A mother brings her son to the pediatrician because she is concerned about his health. She…
- Geriatric Care — A 49-year-old woman presents to her primary care physician for a routine health maintenanc…
- Immunodeficiency Disorders — A 70 year-old man comes to the physician for difficulty swallowing for 6 months. During th…
- Immunodeficiency Disorders — A 5 year-old-boy with a history of severe allergies and recurrent sinusitis presents with …
- Inflammation & Repair — A 63-year-old man with a history of diabetes mellitus presents with complaints of fatigue.…
- Inflammation & Repair — A 42-year-old woman with well-controlled HIV on antiretroviral therapy comes to the physic…
- Inflammation & Repair — A 31-year-old woman scrapes her finger on an exposed nail and sustains a minor laceration.…
- Innate Immunity — A 23-year-old male presents to his primary care physician after an injury during a rugby g…
- Metabolism — A 1-year-old boy is brought to his pediatrician for a follow-up appointment. He was recent…
- Metabolism — A previously healthy 29-year-old man comes to the emergency department because of a 4-day …
- Neoplasia — A 45-year-old woman comes to the physician with a lump on her throat that has steadily inc…
- Neoplasia — A 10-year-old boy is brought to his pediatrician after discovering a painless mass in the …
- Neoplasia — A 42-year-old man comes to the physician because of a 6-week history of intermittent fever…
- Pain & Anesthesia — While on a teaching sabbatical in Uruguay, a pathologist examined the excised liver of an …
- Parasitology — A 29-year-old woman comes to the physician with high-grade fever, headache, and muscle pai…
- Parasitology — A 2-week-old boy presents to the pediatrics clinic. The medical records notes a full-term …
- Pharmacokinetics & Pharmacodynamics — A 31-year-old woman comes to the physician for evaluation of worsening pain, swelling, and…
- Pharmacokinetics & Pharmacodynamics — A 66-year-old man is brought to the clinic with a history of recurrent falls. He has been …
- Psychological Development — A 13-month-old girl is brought to the physician for a well-child examination. She was born…
- Renal Physiology — A 32-year-old woman with type 1 diabetes mellitus is brought to the emergency department b…
- Renal Physiology — A 25-year-old woman with an extensive psychiatric history is suspected of having metabolic…
- Renal Physiology — A medical student is conducting an experiment related to body fluids. Part of his research…
- Respiratory Pharmacology — A 54-year-old man with a long-standing history of chronic obstructive pulmonary disease (C…
- Respiratory Physiology — An investigator is studying the resting rate of oxygen consumption in the lower limbs of i…
- Virology — A 67-year-old man presents to the emergency department with confusion. The patient is gene…
- Virology — A 2300-g (5-lb 1-oz) male newborn is delivered to a 29-year-old primigravid woman. The mot…
- Virology — A 27-year-old woman presents with painful swallowing for the past 2 days. She received a k…
Skin and Subcutaneous Tissue