USMLE (United States Medical Licensing Examination) Presents Practice Questions

A 65-year-old male presents with chest pain. ECG shows ST elevation in leads II, III, and aVF. What is the likely diagnosis?

• AA. Myocardial Infarction
• BB. Angina
• CC. Pericarditis
• DD. Aortic Dissection

A patient with diabetes mellitus presents with a foot ulcer. What is the most important factor in its healing?

• AA. Blood glucose control
• BB. Antibiotic therapy
• CC. Surgical debridement
• DD. Hyperbaric oxygen

A patient with chronic kidney disease presents with fatigue and pallor. What is the most likely cause of these symptoms?

• AA. Anemia
• BB. Dehydration
• CC. Infection
• DD. Electrolyte imbalance

A 70-year-old man presents with confusion and a history of falls. What is the most likely underlying cause?

• AA. AlzheimerÕs disease
• BB. Parkinson's disease
• CC. Vascular dementia
• DD. Normal pressure hydrocephalus

A 25-year-old female presents with excessive thirst and urination. What condition should be ruled out?

• AA. Cushing's syndrome
• BB. Diabetes mellitus
• CC. Hyperthyroidism
• DD. Addison's disease

A child presents with a rash, fever, and sore throat. What is the most likely diagnosis?

• AA. Hand-foot-and-mouth disease
• BB. Measles
• CC. Chickenpox
• DD. Scarlet fever

A patient in a car accident presents with abdominal pain and signs of internal bleeding. What is the best initial diagnostic test?

• AA. X-ray
• BB. CT scan
• CC. Ultrasound
• DD. MRI

A 50-year-old male with a history of heavy alcohol use presents with confusion and ataxia. What is the most likely diagnosis?

• AA. Delirium tremens
• BB. Korsakoff syndrome
• CC. Wernicke's encephalopathy
• DD. Hepatic encephalopathy

A patient presents with recurrent episodes of abdominal pain and diarrhea. What is the most likely underlying condition?

• AA. Crohn's disease
• BB. Irritable bowel syndrome
• CC. Ulcerative colitis
• DD. Celiac disease