Category: USMLE Step 1

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 41-year-old woman with excessive fatigue and constipation. Can you figure it out? A 41-year-old woman comes to the physician complaining of excessive fatigue for the last 2 weeks. She…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 72-year-old man with fatigue and progressive dyspnea. Physical examination shows 3+ edema in the lower extremities and hepatomegaly. Can you figure it out? A 72-year-old man is brought to…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 75-year-old man who lost consciousness for one minute following an episode of syncope two days ago. Can you figure out in which area cardiac auscultation will most likely reveal a…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 68-year-old woman complaining of dyspnea on exertion, fatigue, and chest pain. Past medical history includes carcinoma of the breast. Can you figure this one out? A 68-year-old woman…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 73-year-old woman with shortness of breath. Past medical history is notable for hypertension, chronic obstructive pulmonary disease, and type II diabetes mellitus. Can you figure it out? A 73-year-old…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 65-year-old man who suddenly collapsed when crossing the street. An electrocardiogram is demonstrated below. Can you figure out which pathophysiologic process is likely the result of this cardiac activity? A…

This week, we are sharing another USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 52-year-old man with severe lower-extremity cramping. The cramping appeared after recent thyroid surgery. Can you figure it out? A 52-year-old man comes to the emergency room because of severe…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 4-year-old boy with progressive lethargy, headaches, and worsening vision. A brain MRI shows a lesion in the fourth ventricle with dilated ventricles. Can you figure the most likely diagnosis? A…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a 26-year-old man with penile discharge and urination pain after engaging in unprotected sexual intercourse. Can you figure it out? A 26-year-old man presents to his primary care physician with…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 20-year-old male patient with a seemingly abnormal ECG reading. Can you figure it out? A 20-year-old male college student comes to the clinic with an ECG obtained at a health…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 60-year-old woman with episodes of dizziness for the past month. The episodes usually occur when she gets up from bed, gets up from a seated position, or turns her…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case focuses on a speculum exam and the area from where the sample is obtained. Can you figure it out? A 30-year-old woman comes to her primary care physician for an annual examination.…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 44-year-old man with abdominal pain and nausea. Abdominal examination shows tenderness and rigidity over the epigastric and periumbilical regions. Can you figure it out? A 44-year-old man comes to the…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 55-year-old man with alternating episodes of loose stools and constipation over the past several months, with associated cramping abdominal pain. Can you figure it out? A 55-year-old man presents…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 28-year-old woman with two episodes of pancreatitis over the past year. Can you figure out the cause? A 28-year-old woman is being evaluated by her primary care physician for recurrent pancreatitis.…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 56-year-old woman with asthma and notable skin tightening over the face, hands, and forearms. Can you figure it out? A 56-year-old woman comes to her primary care physician for evaluation…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 25-year-old woman with symptoms of fatigue and reduced exercise tolerance. Can you figure out the cause? A 25-year-old woman presents to her outpatient provider for symptoms of fatigue and reduced…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 30-year-old woman with HIV who has recently developed skin nodules. The woman also works in a pet store. Can you figure it out? A 30-year-old woman with HIV comes to the…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 60-year-old man with a seizure. The man dies two days later. Can you figure out the cause? A 60-year-old man is admitted to the emergency department due to a seizure.…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 25-year-old woman with a severe headache. Can you figure it out? A 25-year-old woman comes to the emergency department because of a severe headache that began four hours ago.…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 65-year-old man after a syncopal event at home. Can you figure out the diagnosis? A 65-year-old man presents to the emergency department after a syncopal event at home. He…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 40-year-old man with hyperpigmentation of the skin. Can you figure it out? A 40-year-old man comes to his outpatient provider with a concern about skin changes that began 4…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 68-year-old man. Polymerase chain reaction testing reveals a mutation in a gene encoding for a non-receptor tyrosine kinase. Can you figure it out? A 68-year-old male comes to his…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 55 year-old female patient with urinary incontinence. Her past medical history is notable for type 2 diabetes mellitus and hypertension. Can you figure it out? A 55 year-old female…

A 70-year-old woman comes to the emergency department due to a three week history of worsening fatigue, dyspnea on exertion, and lower extremity swelling. Her past medical history is significant for hypertension and hyperlipidemia, but notes no recent travel, sick contacts, or illnesses. She recalls one episode of nausea and diaphoresis while she…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves an 80-year-old man. He was hospitalized two weeks ago for pneumonia and now reports difficulty swallowing and regurgitation of undigested food particles.  Can you figure out the diagnosis and which…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 25-year-old woman with breathing difficulties and chest pain. Labs show an elevated d-dimer. Purified protein C is added to the patient’s plasma and causes no change in the lab…

Each week, Osmosis shares a USMLE® Step 1-style practice question to test your knowledge of medical topics. Today’s case involves a 38-year-old woman with pain in the center of her chest. The pain is slightly better when she sits up straight. Physical examination shows conjunctival pallor and bilateral pitting ankle…