【单选题】A 65-year-old slightly cyanotic man presents to his physician complaining of ruritus and nose bleeds. A blood test reveals a hematocrit of 62%, leading to the diagnosis of polycythemia vera. Treatment...
【单选题】A 50-year-old man has a history of chronic alcoholism, but he stopped drinking alcohol 10 years ago. He has been taking no medications. On physical examination, he is afebrile. The abdomen is not enla...
【单选题】A 50-year-old man has a history of chronic alcoholism, but he stopped drinking alcohol 10 years ago. He has been tak- ng no medications. On physical examination, he is afebrile. The abdomen is not enl...