The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 69-year-old right-handed man comes to the physician for a routine health maintenance examination. On questioning, he has had some difficulty speaking for 3 months. During a conversation, he often has difficulty repeating what his interlocutor has said. He has hypertension and takes hydrochlorothiazide. His vital signs are within normal limits. The patient speaks fluently in full sentences and demonstrates normal comprehension. When asked to say the word “kindergarten,” he replies with, “Sintelmarvin… no, that's wrong…kinterflargin, no that isn't it either...kantolargen...no? How about, kindergarten?” The most likely cause of the patient's symptoms is occlusion of a branch of which of the following arteries?   (A) Left middle cerebral   (B) Right vertebral   (C) Left posterior inferior cerebellar   (D) Left penetrating
['(A) Left middle cerebral <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Left middle cerebral \n (B) Right vertebral \n (C) Left posterior inferior cerebellar \n (D) Left penetrating <> possible answers', "  A 69-year-old right-handed man comes to the physician for a routine health maintenance examination. On questioning, he has had some difficulty speaking for 3 months. During a conversation, he often has difficulty repeating what his interlocutor has said. He has hypertension and takes hydrochlorothiazide. His vital signs are within normal limits. The patient speaks fluently in full sentences and demonstrates normal comprehension. When asked to say the word “kindergarten,” he replies with, “Sintelmarvin… no, that's wrong…kinterflargin, no that isn't it either...kantolargen...no? How about, kindergarten?” The most likely cause of the patient's symptoms is occlusion of a branch of which of the following arteries? <> context@"]