Repeated USMLE Questions Step 1- Review- 60

Q- In a case of blood flow obstruction to an alveolus, which of the following changes in ventilation/perfusion ratio, Po2 in the alveoli and Pco2 in the alveoli respectively most likely occur? A- decreases/decreases/decreases B- decreases/decreases/increases C- increases/decreases/decreases D- increases/increases/decreases Q- Which one of the following is the function of retinoblastoma gene in a normal … Read more

Repeated USMLE Questions Step 1- Review- 58

Q- A 58-year-old patient with a history of auto-immune disease is prescribed prednisone. The patient has some concerns about side effects of prednisone. Which of the following is considered a common side effect of corticosteroids at his age? A- Diabetes B- Hypothyroidism C- Gout D- Osteoporosis Q- A 22-year-old woman presents to the clinic for … Read more

Repeated USMLE Questions Step 1- Review- 56

Q- Exposure to which one of the following substances is considered a risk factor for developing hepatic angiosarcoma? A- Aromatic hydrocarbons B- Benzene C- Nitrosamines D- Vinyl chloride Q- Infection with which one of the following organisms may lead to spastic paralysis through blocking the release of GABA and glycine? A- Bacillus anthracis B- Clostridium … Read more

Repeated USMLE Questions Step 1- Review- 54

Q- Which one of the following conditions is the most likely complication of Paget disease of bone in elderly patients? A- Acute renal failure B- Congestive heart failure C- Dementia D- Hepatic failure Q- The upper limit of normal cholesterol for diagnosing hypercholesterolemia in patients with diabetes has been lowered from 90 mg/dL to 70 … Read more

Repeated USMLE Questions Step 1- Review- 52

Q- A patient with a history of renal disease presents to the clinic for a follow up and renal function tests.  Clearance of which one of the following substances is used to estimate the glomerular filtration rate? A-Calcium B-Inulin C-Potassium D-Sodium Q- An immunocompromised patient complains of fever, increasing dyspnea and cough for 2 weeks. … Read more

Repeated USMLE Questions Step 1- Review- 50

Q- A 64-year-old male presents to the ER with sudden left-sided paralysis. The patient had a history of a compound fractured femur 2 months ago. His medical history includes myocardial infarction and atrial fibrillation. Which one of the following is most likely responsible for this patient’s condition? A-Fat embolism B-Thromboembolism from the left atrium C-Thromboembolism … Read more