问题
单项选择题
胃肠道手术后感染的常见致病菌是
A．类杆菌
B．大肠杆菌
C．绿脓杆菌
D．变形杆菌
E．肠杆菌
答案
参考答案：A
解析：类杆菌是革兰染色阴性的厌氧菌．存在于口腔，胃肠道和外生殖道。它常是胃肠道手术后感染和阑尾穿孔所致腹膜炎的致病菌。
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胃肠道手术后感染的常见致病菌是
A．类杆菌
B．大肠杆菌
C．绿脓杆菌
D．变形杆菌
E．肠杆菌
参考答案：A
解析：类杆菌是革兰染色阴性的厌氧菌．存在于口腔，胃肠道和外生殖道。它常是胃肠道手术后感染和阑尾穿孔所致腹膜炎的致病菌。
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| David was a doctor. He spent 1 time in playing when he was in the medical college. Of course, he learned nothing. Later on he tried to find a 2 in the cities, but he failed. He 3 return to his hometown. It was 4 and there was only one hospital in it. He thought he knew much and looked down upon (瞧不 起) his 5 . But soon the patients found he was not a good doctor 6 few asked him to look them over. He knew but he didn't 7 . One day a traveler came into his office. The man caught a cold and wanted some 8 . David hoped to be paid more and looked over one of the traveler's eyes 9 . "Oh dear!" called out David, "You have a bad heart disease. You should be in hospital and only I can help you!" "Please 10 my right eye, sir," said the traveler, "the left one is false (假的)." | ||||
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