Free Questions and Answers for All Medical Students all over the World
Q- A 63-year-old man with atrial fibrillation presents for routine follow-up. He has no history of stroke, diabetes, or heart failure. His blood pressure is well controlled. Which of the following is the most appropriate long-term management to reduce stroke risk? A- Aspirin only B- Dual antiplatelet therapy C- Oral anticoagulation Q- A 19-year-old … Read more
Q- A 29-year-old man presents to his physician complaining of fatigue and lethargy for the past 3 days after he came back from a hiking trip in Northern California. During the trip, he noticed a rash on his left arm. The rash was smaller but now it’s expanding in size. On examination, the rash looks … Read more
Q- A 38-year-old man is brought to the emergency room because of palpitation and shortness of breath for 4 hours. He travelled to Brazil two years ago on a business trip. He was bitten there by a fly and was treated by analgesics for a few weeks due to fever and headaches. On examination, heart … Read more
Q- A 46-year-old man underwent a kidney transplantation last week due to chronic renal failure. The surgery was successful and the transplanted kidney started to produce urine during the operation. Today, his urine examination shows high creatinine and low urinary output. He has no pain or fever. A biopsy taken from the transplanted kidney shows … Read more
Q- A 45-year-old man presents with a 2-day history of severe low back pain radiating to both legs. He now reports new-onset urinary retention and decreased sensation in the perianal region. On examination, there is bilateral lower extremity weakness and decreased anal sphincter tone. Which of the following is the most appropriate next step in … Read more
Q- A 58-year-old woman with hyperlipidemia has been taking simvastatin for the past 6 months. She recently started drinking a large glass of grapefruit juice every morning. Two weeks later, she presents with diffuse muscle pain and weakness. Laboratory studies reveal a markedly elevated creatine kinase (CK) level. Which of the following best explains the … Read more