The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 39-year-old man is brought to the emergency department unconscious following 2 episodes of generalized tonic-clonic seizures. According to the attendants, he has complained of recurrent headaches for the past 2 weeks. There is no history of fever, head trauma, or a seizure disorder. The patient does not smoke cigarettes but reportedly drinks 2 glasses of wine daily. He has multiple sexual partners and history regarding the contraceptive use is unavailable. The patient’s vitals include: blood pressure 137/88 mm Hg, temperature 37.2°C (99.0°F). On physical examination, he is obtunded. He grimaces on pain and localizes in response to pain in both upper extremities. Pupils are bilateral 3-mm in diameter and equally round and reactive. Laboratory tests are within normal limits. An MRI of the brain with contrast is shown in the exhibit (see image). A brain biopsy is performed that reveals perivascular clusters of lymphocytes. Which of the following is most associated with this patient’s condition?   (A) Epstein-Barr virus   (B) Human herpes virus   (C) Human papilloma virus   (D) Schistosoma haematobium
['(A) Epstein-Barr virus <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Epstein-Barr virus \n (B) Human herpes virus \n (C) Human papilloma virus \n (D) Schistosoma haematobium <> possible answers', '  A 39-year-old man is brought to the emergency department unconscious following 2 episodes of generalized tonic-clonic seizures. According to the attendants, he has complained of recurrent headaches for the past 2 weeks. There is no history of fever, head trauma, or a seizure disorder. The patient does not smoke cigarettes but reportedly drinks 2 glasses of wine daily. He has multiple sexual partners and history regarding the contraceptive use is unavailable. The patient’s vitals include: blood pressure 137/88 mm Hg, temperature 37.2°C (99.0°F). On physical examination, he is obtunded. He grimaces on pain and localizes in response to pain in both upper extremities. Pupils are bilateral 3-mm in diameter and equally round and reactive. Laboratory tests are within normal limits. An MRI of the brain with contrast is shown in the exhibit (see image). A brain biopsy is performed that reveals perivascular clusters of lymphocytes. Which of the following is most associated with this patient’s condition? <> context@']