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【单选题】
颅压新鲜血进入蛛网膜下腔,采集的三管脑脊液呈现下列何种变化A.
三为红色，离心沉淀后上清液均为淡红色或黄色
B.
三为红色，离心沉淀后上清液均呈无色透明
C.
第一血性，后两管逐渐变淡，上清液无色透明
D.
第一血性，后两管逐渐变淡，上清液呈淡黄色或黄色
E.
第三血性，上清液呈淡红色或黄色
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皮皮学刷刷变学霸
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A.
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B.
came; had told
C.
had come; tells
D.
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A.
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B.
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C.
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D.
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