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【单选题】
关于医院获得性肺炎，不正确的说法是()。A.
重症患者及机械通气、昏迷、激素应用等危险因素患者的病原菌可为不动杆菌属及甲氧西林耐药金葡菌等，铜绿假单胞不常见
B.
应重视病原检查，给予抗菌治疗前先采取痰标本进行涂片革兰染色检查及培养，体温高、全身症状严重者同时送血培养。有阳性结果时做药敏试验
C.
尽早开始经验治疗。首先采用针对常见病原菌的抗菌药物。明确病原后，根据药敏试验结果调整用药
D.
甲氧西林耐药首选万古霉素或去甲万古霉素
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【单选题】百人大合唱训练时,如果有一两个人没来,小红感觉不出音量的变化;如果五六个人没来,小红能明显感觉到音量的变化。这种刚刚能使小红感觉到音量变化的最小差异称为( )。
A.
绝对感觉阈限
B.
绝对感受性
C.
差别感受阈限
D.
差感受性
【简答题】试简要评述柯恩的“多极世界”模型。
【简答题】ICMP 报文是被封装在 中进行发送的。
【单选题】百人大合唱训练时，如果有一两个人没来，小红感觉不出音量的变化；如果五六个人没来，小红能明显感觉到音量的变化。这种刚刚能使小红感觉到音量变化的最小差异称为( )。
A.
绝对感受阈限
B.
绝对感受性
C.
差别感受阈限
D.
差别感受性
【单选题】患者女,65岁。患慢性充血性心力衰竭,医嘱:地高辛0.25mg po.qd.,此药要求护士发药时应特别注意
A.
看患者服下后再离开
B.
给药前测脉率(心率)及节律
C.
嘱患者服药后多饮水
D.
瞩患者一定要舌下含化
E.
给药前应测患者的呼吸频率
【单选题】Geographers and historians have traditionally held the view that Antarctica was first sighted around 1820, but some sixteenth-century European maps show a body that resembles the polar landmass, even ...
A.
The question of who first sighted Antarctica in modern times is still much debated, and no one has been able to present conclusive evidence.
B.
Between 3,000 and 9,000 years ago, the world was warmer than it is now, and the polar landmass was presumably smaller.
C.
There are only a few sixteenth-century global maps that show a continental landmass at the South Pole.
D.
Most attributions of surprising accomplishments to ancient civilizations or even extraterrestrials are eventually discredited or rejected as preposterous.
E.
Ancient philosophers believed that there had to be a large landmass at the South Pole to balance the northern continents and make the world symmetrical.
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