患者，男性，71岁。因左侧肢体活动不灵6小时入院。患者晨醒后发现左侧肢体活动不灵，自己穿衣困难，左侧口角流涎，无头痛、呕吐，神志清楚。既往否认心脏病病史。该患者诊断首先考虑（）
A.脑栓塞
B.脑出血
C.脑血栓形成
D.蛛网膜下腔出血
E.脑膜瘤
参考答案：C
解析：患者清晨发病，神志清，无颅内高压症状，考虑脑梗死，而无心脏病病史，首先考虑脑血栓形成。
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| A doctor was once teaching a class of medical students at a famous 1 in London. An injured man was 2 in, and the doctor turned to 3 of the students and asked him, "What is 4 with the man?" "I don't know, sir," the student answered. "Shall I examine him and 5 out?" "There is no 6 to examine him," said the doctor. "You should know without asking questions. He has 7 his right knee. Don't you notice the way he walked? He hurt it by 8 it in the fire. You see his 9 are burnt away at the 10 .This is Monday morning. Yesterday was 11 , but on Saturday the roads were 12 and muddy. The man's trousers are muddy 13 .The man fell down on Saturday 14 ." The doctor then turned to the man and said, "You 15 your wages (周薪, 工资) on Saturday and went to a 16 house and drank too much. You 17 wet and muddy on the way 18 .You tried to dry your clothes 19 the fire when you got home. 20 you had drunk too much, you fell on the fire and burnt your knee. Is that right?" "Yes, sir," said the man. | ||||
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