question: Q:A 55-year-old man presents for physical and preventive health screening, specifically for prostate cancer. He has not been to the doctor in a long time. Past medical history is significant for hypertension that is well-managed. Current medication is hydrochlorothiazide. He has one uncle who died of prostate cancer. He drinks one or two alcoholic drinks on the weekends and does not smoke. Today his temperature is 37.0°C (98.6°F), blood pressure is 125/75 mm Hg, pulse is 82/min, respiratory rate is 15/min, and oxygen saturation is 99% on room air. There are no significant findings on physical examination. Which of the following would be the most appropriate recommendation for prostate cancer screening in this patient?? 
  {'A': 'No screening indicated at this time', 'B': 'Digital rectal examination', 'C': 'Serum PSA level', 'D': 'Transrectal ultrasound (TRUS)', 'E': 'Contrast CT of the abdomen and pelvis'},